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ADI ADI ADI
4.8 kHz 24∑-Δ ADC PGA
AD7190
Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ©2008–2009 Analog Devices, Inc. All rights reserved.
MCLK1 MCLK2 P0/REFIN2(–) P1/REFIN2(+)
DVDD DGND REFIN1(+) REFIN1(–)
AIN1AIN2AIN3AIN4
AINCOM
BPDSW
AGND
AD7190REFERENCE
DETECT
SERIALINTERFACE
ANDCONTROL
LOGIC
TEMPSENSOR
CLOCKCIRCUITRY
DOUT/RDY
DIN
SCLK
CS
SYNC
P3
P2
AVDDAGND
Σ-ΔADC
PGAMUX
0764
0-00
1
1
8.5 nV (4.7 Hz, G = 128)
16 (2.4 kHz, G = 128)
22.5 (G = 1)
5 nV/°C
1 ppm/°C
2 /4
(1 128)
4.7 Hz 4.8 kHz
50 Hz/60 Hz
4
AVDD 4.75 V 5.25 V
DVDD 2.7 V 5.25 V
6 mA
–40°C +105°C
SPI QSPI™ MICROWIRE™ DSP
SCLK
PLC/DCS
AD7190
24 Σ-Δ (ADC)
AD71904.92 MHz
ADC4.7 Hz 4.8 kHz
50 Hz/60 HzAD7190
5 V 2.7 V 5.25 V6 mA 24 TSSOP
AD7190
Rev. B | Page 2 of 40
................................................................................................... 1 ................................................................................................... 1 ................................................................................................... 1
........................................................................................... 1 ........................................................................................... 2 ........................................................................................... 3
.................................................................................. 7 ......................................................................... 7
............................................................................. 9 ........................................................................................... 9 ESD ................................................................................... 9
................................................................... 10 ................................................................................ 12
................................................................... 15Sinc4 ....................................................................... 15Sinc3 ....................................................................... 16Sinc4 ....................................................................... 17Sinc3 ....................................................................... 18
.................................................................................... 19 ............................................................................ 19 ............................................................................ 20 ............................................................................ 20 ............................................................................ 22
............................................................................ 24 ID ................................................................................ 24
GPOCON .................................................................. 24 ............................................................................ 25
....................................................................... 25ADC ............................................................................... 26
......................................................................................... 26 ................................ 26
................................................................................ 29 ........................................................................................ 33
....................................................................... 33PGA ......................................................................................... 33
/ ............................................................. 33 ....................................................................... 33 ......................................................................................... 33
................................................................................ 34 ................................................................................ 34
....................................................................... 34 ......................................................................................... 34
................................................................................ 35 ............................................................................ 35
....................................................................... 35 ................................................................................ 35
....................................................................... 36 ......................................................................................... 36
............................................................................ 37 ........................................................................................ 38
.................................................................................... 38 ........................................................................................ 39
................................................................................ 39
2009 5 — A B 3 ............................................................................................. 9
2009 5 — 0 A 1 ............................................................................................. 33 4 .................................................................................. 95 ........................................................................................... 106 7 ................................................................................ 15
“ ” ............................................................... 2017 ......................................................................................... 2119 ......................................................................................... 2320 ......................................................................................... 24
“ID ” ................................................................... 24
21 ......................................................................................... 25“ ” ................... 26“ ” ........................................................... 31“ ” “ / ” .............. 33“ ” “ ” “ ”
“ ” ..................................................................................... 34“ ” ............................................................... 35“ ” ............................................................................ 36“ ” ............................................................... 37“ ” ........................................................................ 38“ ” ................................................................... 39
2008 10 — 0
AD7190
Rev. B | Page 3 of 40
AD7190B / 1
ADC4.7 4800 Hz1.17 1200 Hz sinc4
1.56 1600 Hz sinc3
2 24 FS > 1 sinc4 3
24 FS > 4 sinc3 3
“”
“”
±5 (ppm)
±1 ppm = 1
±15 (ppm)
±5 ppm > 1
4, 5 ±75/ μV±0.5 μV
5 ±100/ nV/°C = 1 16±5 nV/°C = 32 128±5 nV/°C25 nV/1000 ≥ 32
4 ±0.005 % ±0.001% = 1 AVDD = 5 V6
±0.0075 % > 1±1 ppm/°C10 ppm/1000 = 1
95 dB = 1 VIN = 1 V100 dB > 1 VIN = 1 V/ 110 dB
@ DC 100 dB = 1 VIN = 1 V2
110 dB > 1 VIN = 1 V/@ 50 Hz, 60 Hz2 120 dB 10 Hz 50 ± 1 Hz 60 ± 1 Hz@ 50 Hz, 60 Hz2 dB 50 ± 1 Hz(50 Hz )
60 ± 1 Hz(60 Hz )2
Sinc4
@ 50 Hz, 60 Hz 100 dB 10 Hz 50 ± 1 Hz 60 ± 1 Hz74 dB 50 Hz REJ607 = 1
50 ± 1 Hz 60 ± 1 Hz.@ 50 Hz 96 dB 50 Hz 50 ± 1 Hz@ 60 Hz 97 dB 60 Hz 60 ± 1 Hz
1
AVDD = 4.75 V 5.25 V DVDD = 2.7 V 5.25 V AGND = DGND = 0 V REFINx(+) = AVDD REFINx(−) = AGNDMCLK = 4.92 MHz TA = TMIN TMAX
AD7190
Rev. B | Page 4 of 40
@ 50 Hz, 60 Hz 120 dB 10 Hz 50 ± 1 Hz 60 ± 1 Hz
82 dB 50 Hz REJ607 = 150 ± 1 Hz 60 ± 1 Hz.
@ 50 Hz 120 dB 50 Hz 50 ± 1 Hz@ 60 Hz 120 dB 60 Hz 60 ± 1 Hz
Sinc3
@ 50 Hz, 60 Hz 75 dB 10 Hz 50 ± 1 Hz 60 ± 1 Hz60 dB 50 Hz REJ60 = 1
50 ± 1 Hz 60 ± 1 Hz.@ 50 Hz 70 dB 50 Hz 50 ± 1 Hz@ 60 Hz 70 dB 60 Hz 60 ± 1 Hz
@ 50 Hz, 60 Hz 100 dB 10 Hz 50 ± 1 Hz 60 ± 1 Hz
67 dB 50 Hz REJ607 = 150 ± 1 Hz 60 ± 1 Hz.
@ 50 Hz 95 dB 50 Hz 50 ± 1 Hz@ 60 Hz 95 dB 60 Hz 60 ± 1 Hz
±VREF/ V VREF = REFINx(+) − REFINx(−)
= 1 128±(AVDD – 1.25 V)/ V / > 1
AIN 2 AGND − 50 mV V AVDD + 50 mV V AGND + 250 mV V AVDD − 250 mV V
2 ±2 nA = 1±3 nA > 1±5 pA/°C ±5 μA/V = 1
±1 μA/V > 1±0.05 nA/V/°C
±1.6 nA/V/°C
REFIN AVDD V REFIN = REFINx(+) − REFINx(−). 2 1 V
AVDD V > 1± (AVDD – 1.25 V)/
REFIN 2 AGND – 50 mV VAVDD + 50 mV V7 μA/V±0.03 nA/V/°C
1.3 nA/V/°C
AD7190B / 1
AD7190B / 1
AD7190
Rev. B | Page 5 of 40
2
95 dB0.3 V 0.6 V
±2 °C 25°C2815 /°C
RON 10 Ω2 30 mA
AIN 500 nA
(P0 P3)VOH
2 4 V AVDD = 5V, ISOURCE = 200 μA.VOL
2 0.4 V AVDD = 5V, ISINK = 800 μA.±100 nA10 pF
/
4.92 ± 4% MHz /50:50 %
/ 2
4.9152 MHz2.4576/5.12 MHz /
VINL 0.8 V DVDD = 5 V.0.4 V DVDD = 3 V.
VINH 2.5 V DVDD = 3 V. 3.5 V DVDD = 5 V.
±10 μA
VINH2 2 V
VINL2 0.8 V
2 0.1/0.25 V / ±10 μA
(DOUT/ )VOH
2 DVDD − 0.6 V DVDD = 3 V, ISOURCE = 100 μA.VOL
2 0.4 V DVDD = 3 V, ISINK = 100 μA.VOH
2 4 V DVDD = 5 V, ISOURCE = 200 μA.VOL
2 0.4 V DVDD = 5 V, ISINK = 1.6 mA.±10 μA10 pF
2 1.05 × FS V−1.05 × FS V0.8 × FS V2.1 × FS V
RDY
AD7190B / 1
AD7190
Rev. B | Page 6 of 40
8
AVDD − AGND 4.75/5.25 V /DVDD − DGND 2.7/5.25 V /
AIDD 1 mA 0.85 mA = 11.3 mA 1.1 mA = 14.5 mA 3.5 mA = 84.75 mA 4 mA = 86.2 mA 5 mA = 16 1286.75 mA 5.5 mA = 16 128
DIDD 0.4 mA 0.35 mA DVDD = 3 V0.6 mA 0.5 mA DVDD = 5 V1.5 mA
IDD( ) 2 μA
1 TMIN = −40°C TMAX = +105°C2
3 FS = FS9 FS04
5
6 (AVDD = 5 V = 1 TA = 25°C)7 REJ60 50 Hz REJ60 1 60 Hz 50 Hz/60 Hz8 DVDD DGND
AD7190
Rev. B | Page 7 of 40
TMIN TMAX (B ) / 1, 2
t3 100 ns SCLKt4 100 ns SCLK
t1 0 ns CS DOUT/RDY
60 ns DVDD = 4.75 V 5.25 V80 ns DVDD = 2.7 V 3.6 V
t23 0 ns SCLK 4
60 ns DVDD = 4.75 V 5.25 V80 ns DVDD = 2.7 V 3.6 V
t55, 6 10 ns CS
80 ns t6 0 ns SCLK CSt7 10 ns SCLK DOUT/RDY
t8 0 ns CS SCLK 4 t9 30 ns SCLKt10 25 ns SCLKt11 0 ns CS SCLK
ISINK (1.6mA WITH DVDD = 5V,100μA WITH DVDD = 3V)
ISOURCE (200μA WITH DVDD = 5V,100μA WITH DVDD = 3V)
1.6VTO
OUTPUTPIN
50pF
0764
0-00
2
2.
2
AVDD = 4.75 V 5.25 V DVDD = 2.7 V 5.25 V AGND = DGND = 0 V 0 = 0 V 1 = DVDD
1 tR = tF = 5 ns(DVDD 10% 90%) 1.6 V2 3 43 2 VOL VOH4 SCLK SCLK5 2 0.5 V
50 pF
6 RDY
AD7190
Rev. B | Page 8 of 40
t2
t3
t4
t1t6
t5
t7
CS (I)
DOUT/RDY (O)
SCLK (I)
I = INPUT, O = OUTPUT
MSB LSB
0764
0-00
3
3.
I = INPUT, O = OUTPUT
CS (I)
SCLK (I)
DIN (I) MSB LSB
t8
t9
t10
t11
0764
0-00
4
4.
AD7190
Rev. B | Page 9 of 40
TA = 25°C
3
Parameter Rating
AVDD AGND −0.3 V +6.5 VDVDD AGND −0.3 V +6.5 VAGND DGND −0.3 V +0.3 V
AGND −0.3 V AVDD + 0.3 VAGND −0.3 V AVDD + 0.3 V DGND −0.3 V DVDD + 0.3 VDGND −0.3 V DVDD + 0.3 V
AIN/ 10 mA −40°C +105°C −65°C +150°C
150°C
260°C
4.
θJA θJC
24 TSSOP 128 42 °C/W
ESD
θJA
ESD( )
ESDESD
ADCCS ADCCS ADC 3 SCLK DIN DOUT
AD7190
Rev. B | Page 10 of 40
NC = NO CONNECT
1
2
3
4
5
6
7
8
9
10
12
11
MCLK2
SCLK
CS
P1/REFIN2(+)
P2
P3
MCLK1
P0/REFIN2(–)
NC
AINCOM
AIN2
AIN1
20
21
22
23
24
19
18
17
16
15
14
13
DOUT/RDY
SYNC
DVDD
AGND
DGND
AVDD
BPDSW
REFIN1(–)
AIN3
AIN4
REFIN1(+)
DIN
AD7190TOP VIEW
(Not to Scale)
0764
0-00
5
5.
5.
1 MCLK1 MCLK1 MCLK2
2 MCLK2 AD7190 4.92 MHzMCLK2
AD7190 MCLK1 MCLK2CMOS MCLK2 MCLK1
3 SCLK ADCSCLK
ADC4 CS
5 P3 AVDD AGND6 P2 AVDD AGND7 P1/REFIN2(+) / , AVDD AGND
REFSEL = 1 REFIN2(+) REFIN2(+) REFIN2(−)REFIN2(+) AVDD AGND + 1 V (REFIN2(+) − REFIN2(−)) AVDD
1 V AVDD
8 P0/REFIN2(−) / , AVDD AGNDREFSEL = 1 REFIN2(-) AGND AVDD - 1 V
9 NC AGND 10 AINCOM AIN1 AIN4
11 AIN1 AIN2AINCOM
12 AIN2 AIN2AINCOM
AD7190SYNC
SYNCRDY SYNC DVDD
AD7190
Rev. B | Page 11 of 40
13 AIN3 AIN4AINCOM
14 AIN4 AIN3AINCOM
15 REFIN1(+) REFIN1(+) REFIN1(−)REFIN1(+) AVDD AGND + 1 V (REFIN1(+) − REFIN1(−)) AVDD
1 V AVDD16 REFIN1(−) AGND AVDD - 1 V17 BPDSW AGND18 AGND 19 DGND 20 AVDD 4.75 V 5.25 V AVDD DVDD 21 DVDD 2.7 V 5.25 V DVDD AVDD 22 SYNC
23 DOUT/RDY / DOUT/RDYADCDOUT/RDY
DOUT/RDYDOUT/RDY CS
/ SCLK DOUT/RDY SCLK
24 DIN ADC ADC
AD7190
Rev. B | Page 12 of 40
8,388,760
8,388,758
8,388,756
8,388,754
8,388,752
8,388,750
8,388,748
8,388,7460 200 400 600 800 1000
CO
DE
SAMPLE07
640-
106
8,388,950
8,388,900
8,388,800
8,388,750
8,388,650
8,388,600
8,388,850
8,388,700
8,388,550
8,388,500
8,388,4500 200 400 600 800 1000100 300 500 700 900
CO
DE
SAMPLES 0764
0-10
8
6. (VREF = 5 V = 4.7 Hz = 128 Sinc4 )
8. (VREF = 5 V = 4800 Hz = 128 Sinc4 )
250
200
150
100
50
0
8,38
8,74
6
8,38
8,74
8
8,38
8,75
0
8,38
8,75
2
8,38
8,75
4
8,38
8,75
6
8,38
8,75
8
8,38
8,76
0
FR
EQ
UE
NC
Y
CODE 0764
0-10
7
30
20
25
15
10
5
0
8,38
8,49
0
8,38
8,57
6
8,38
8,66
2
8,38
8,74
8
8,38
8,83
4
8,38
8,92
0
FR
EQ
UE
NC
Y
CODE 0764
0-10
9
9. (VREF = 5 V = 4800 Hz = 128 Sinc4 )
7. (VREF = 5 V = 4.7 Hz = 128 Sinc4 )
AD7190
Rev. B | Page 13 of 40
8,388,820
8,388,800
8,388,760
8,388,740
8,388,700
8,388,680
8,388,780
8,388,720
8,388,660
8,388,640
8,388,6200 200 400 600 800 1000100 300 500 700 900
CO
DE
SAMPLES 0764
0-11
0
10. (VREF = 5 V = 4800 Hz = 1 Sinc4 )
80
50
70
40
60
30
20
10
0
8,38
8,62
0
8,38
8,66
0
8,38
8,70
0
8,38
8,74
0
8,38
8,78
0
8,38
8,82
0
FR
EQ
UE
NC
Y
CODE 0764
0-11
1
11. (VREF = 5 V = 4800 Hz = 1 Sinc4 )
3.0
2.0
1.0
0
–1.0
–2.0
–3.0–2.5 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5
INL
(p
pm
of
FS
R)
VIN (V)
0764
0-11
2
12. ( = 1)
6
4
2
0
–2
–4
–6–0.020 –0.015 –0.010 –0.005 0 0.005 0.010 0.015 0.020
INL
(p
pm
of
FS
R)
VIN (V)
0764
0-11
3
13. ( = 128)
AD7190
Rev. B | Page 14 of 40
1.000008
1.000007
1.000006
1.000005
1.000004
1.000003
1.000002
1.000001
1.000000–60 –40 –20 0 20 40 60 80 100 120
GA
IN
TEMPERATURE (°C) 0764
0-11
6
66
64
62
60
58
56
54–60 –40 –20 0 20 40 60 80 100 120 140
OU
TP
UT
VO
LT
AG
E (
μV)
TEMPERATURE (°C) 0764
0-11
414. ( = 1 ) 16. ( = 1 )
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7–60 –40 –20 0 20 40 60 80 100 120
OF
FS
ET
(μV
)
TEMERATURE (°C) 0764
0-11
5
128.003
128.002
128.001
128.000
127.999
127.998
127.997
127.996–60 –40 –20 0 20 40 60 80 100 120
GA
IN
TEMPERATURE (°C) 0764
0-11
7
15. ( = 128 ) 17. ( = 128 )
AD7190
Rev. B | Page 15 of 40
SINC4
6. (nV)
( ) (Hz) (ms) G = 1 G = 8 G = 16 G = 32 G = 64 G = 128
1023 4.7 852.5 250 38 21 12 10 8.5 640 7.5 533 310 45 25 16 12 10.5 480 10 400 330 50 30 18 14 11.5 96 50 80 900 125 78 45 33 28 80 60 66.7 970 140 88 52 36 31 32 150 26.7 1460 215 125 75 55 48 16 300 13.3 1900 285 170 100 75 67 5 960 4.17 3000 480 280 175 140 121 2 2400 1.67 5000 780 440 280 220 198 1 4800 0.83 14,300 1920 1000 550 380 295
7. ( )
( ) (Hz) (ms) G = 11 G = 81 G = 161 G = 321 G = 641 G = 1281
1023 4.7 852.5 24 (22.5) 24 (22) 24 (22) 24 (22) 24 (21) 23 (20.5) 640 7.5 533 24 (22) 24 (22) 24 (22) 24 (21.5) 23.5 (21) 23 (20) 480 10 400 24 (22) 24 (22) 24 (21.5) 24 (21.5) 23.5 (20.5) 22.5 (20) 96 50 80 23.5 (20.5) 23.5 (20.5) 23 (20) 22.5 (20) 22 (19.5) 21.5 (18.5) 80 60 66.7 23.5 (20.5) 23 (20.5) 22.5 (20) 22.5 (20) 22 (19.5) 21.5 (18.5) 32 150 26.7 22.5 (20) 22.5 (19.5) 22.5 (19.5) 22 (19.5) 21.5 (18.5) 20.5 (18) 16 300 13.3 22.5 (19.5) 22 (19.5) 22 (19) 21.5 (19) 21 (18.5) 20 (17.5) 5 960 4.17 21.5 (19) 21.5 (18.5) 21 (18.5) 21 (18) 20 (17.5) 19.5 (16.5) 2 2400 1.67 21 (18) 20.5 (18) 20.5 (17.5) 20 (17.5) 19.5 (16.5) 18.5 (16) 1 4800 0.83 19.5 (16.5) 19.5 (16.5) 19.5 (16.5) 19 (16.5) 18.5 (16) 18 (15.5) 1 (p-p)
AD7190 sinc4 sinc3
AD7190
AD7190
sinc4 sinc3
5 VADC
0 V(p-p)
½ LSB
AD7190
Rev. B | Page 16 of 40
SINC3
8. (nV)
1023 4.7 639.4 270 42 23 13.5 10.5 9 640 7.5 400 320 50 27 17 13 11.5 480 10 300 350 60 35 19 15 12.5 96 50 60 1000 134 86 50 35 29 80 60 50 1050 145 95 55 40 32 32 150 20 1500 225 130 80 58 50 16 300 10 1950 308 175 110 83 73 5 960 3.125 4000 590 330 200 150 133 2 2400 1.25 56,600 7000 3500 1800 900 490 1 4800 0.625 442,000 55,000 28,000 14,000 7000 3450
9. ( )
1023 4.7 639.4 24 (22.5) 24 (22) 24 (22) 24 (21.5) 24 (21) 23 (20.5) 640 7.5 400 24 (22) 24 (22) 24 (21.5) 24 (21.5) 23.5 (21) 22.5 (20) 480 10 300 24 (22) 24 (21.5) 24 (21.5) 24 (21) 23.5 (20.5) 22.5 (20) 96 50 60 23.5 (20.5) 23 (20.5) 23 (20) 22.5 (20) 22 (19.5) 21.5 (18.5) 80 60 50 23 (20.5) 23 (20.5) 22.5 (20) 22.5 (19.5) 22 (19) 21 (18.5) 32 150 20 22.5 (20) 22.5 (19.5) 22 (19.5) 22 (19) 21.5 (18.5) 20.5 (18) 16 300 10 22.5 (19.5) 22 (19) 22 (19) 21.5 (18.5) 21 (18) 20 (17.5) 5 960 3.125 21.5 (18.5) 21 (18.5) 21 (18) 20.5 (18) 20 (17.5) 19 (16.5) 2 2400 1.25 17.5 (14.5) 17.5 (14.5) 17.5 (14.5) 17.5 (14.5) 17.5 (14.5) 17.5 (14.5) 1 4800 0.625 14.5 (11.5) 14.5 (11.5) 14.5 (11.5) 14.5 (11.5) 14.5 (11.5) 14.5 (11.5) 1 (p-p)
( ) (Hz) (ms) G = 1 G = 8 G = 16 G = 32 G = 64 G = 128
( ) (Hz) (ms) G = 11 G = 81 G = 161 G = 321 G = 641 G = 1281
AD7190
Rev. B | Page 17 of 40
SINC4
10. (nV)
1023 1.175 1702 177 27 15 8.5 7 6 640 1.875 1067 219 32 18 11.5 8.5 7.5 480 2.5 800 234 36 21 13 10 8.5 96 12.5 160 637 89 55 32 24 20 80 15 133 686 99 63 37 26 22 32 37.5 53 1033 152 89 53 39 34 16 75 26.7 1343 202 120 71 53 48 5 240 8.33 2121 340 198 124 99 86 2 600 3.33 3536 552 311 198 156 140 1 1200 1.67 10,200 1360 707 389 26 209
11. ( )
1023 1.175 1702 24 (23) 24 (22.5) 24 (22.5) 24 (22.5) 24 (21.5) 23.5 (21) 640 1.875 1067 24 (22.5) 24 (22.5) 24 (22.5) 24 (22) 24 (21.5) 23.5 (20.5) 480 2.5 800 24 (22.5) 24 (22.5) 24 (22) 24 (22) 24 (21) 23 (20.5) 96 12.5 160 24 (21) 24 (21) 23.5 (20.5) 23 (20.5) 22.5 (20) 22 (19) 80 15 133 24 (21) 23.5 (21) 23.5 (20.5) 23 (20.5) 22.5 (20) 22 (19) 32 37.5 53 23 (20.5) 23 (20) 23 (20) 22.5 (20) 22 (19) 21 (18.5) 16 75 26.7 23 (20) 22.5 (20) 22.5 (19.5) 22 (19.5) 21.5 (19) 20.5 (18) 5 240 8.33 22 (19.5) 22 (19) 21.5 (19) 21.5 (18.5) 20.5 (18) 20 (17) 2 600 3.33 21.5 (18.5) 21 (18.5) 21 (18) 20.5 (18) 20 (17) 19 (16.5) 1 1200 1.67 20 (17) 20 (17) 20 (17) 19.5 (17) 19 (16.5) 18.5 (16) 1 (p-p)
( ) (Hz) (ms) G = 1 G = 8 G = 16 G = 32 G = 64 G = 128
( ) (Hz) (ms) G = 11 G = 81 G = 161 G = 321 G = 641 G = 1281
AD7190
Rev. B | Page 18 of 40
SINC3
12. (nV)
1023 1.56 1282 191 30 16.5 10 8 6.5 640 2.5 800 226 36 19 12 9 8.5 480 3.33 600 248 43 25 14 11 9 96 16.6 120 708 95 61 36 25 21 80 20 100 743 103 68 39 29 23 32 50 40 1061 159 92 57 41 36 16 100 20 1380 218 124 78 59 52 5 320 6.25 2829 418 234 142 106 94 2 800 2.5 40,100 4950 2475 1273 637 347 1 1600 1.25 312,550 38,540 19,800 9900 4950 2440
13. ( )
1023 1.56 1282 24 (23) 24 (22.5) 24 (22.5) 24 (22) 24 (21.5) 23.5 (21) 640 2.5 800 24 (22.5) 24 (22.5) 24 (22) 24 (22) 24 (21.5) 23 (20.5) 480 3.33 600 24 (22.5) 24 (22) 24 (22) 24 (21.5) 24 (21) 23 (20.5) 96 16.6 120 24 (21) 23.5 (21) 23.5 (20.5) 23 (20.5) 22.5 (20) 22 (19) 80 20 100 23.5 (21) 23.5 (21) 23 (20.5) 23 (20) 22.5 (19.5) 21.5 (19) 32 50 40 23 (20.5) 23 (20) 22.5 (20) 22.5 (19.5) 22 (19) 21 (18.5) 16 100 20 23 (20) 22.5 (19.5) 22.5 (19.5) 22 (19) 21.5 (18.5) 20.5 (18) 5 320 6.25 22 (19) 21.5 (19) 21.5 (18.5) 21 (18.5) 20.5 (18) 19.5 (17) 2 800 2.5 18 (15) 18 (15) 18 (15) 18 (15) 18 (15) 18 (15) 1 1600 1.25 15 (12) 15 (12.5) 15 (12) 15 (12) 15 (12) 15 (12) 1 (p-p)
( ) (Hz) (ms) G = 1 G = 8 G = 16 G = 32 G = 64 G = 128
( ) (Hz) (ms) G = 11 G = 81 G = 161 G = 321 G = 641 G = 1281
1( )RDY ( ) SCLK
DOUT01011100
RDY 01011000ADC DIN
DIN 40 1 ADCDIN
0 10
0 WEN 7
AD7190
Rev. B | Page 19 of 40
CR7 CR6 CR5 CR4 CR3 CR2 CR1 CR0
WEN(0) R/W(0) RS2(0) RS1(0) RS0(0) CREAD(0) 0(0) 0(0)
14.
CR7 WEN
CR6 R/W 01
CR5 CR3 RS2 RS0 ADC15
CR2 CREAD
CR1 CR0 0
15.
RS2 RS1 RS0
0 0 0 80 0 0 80 0 1 240 1 0 240 1 1 / 24 /321 0 0 ID 81 0 1 GPOCON 81 1 0 241 1 1 24
ADC“ ” 1
“ ” 0
(RS2, RS1, RS0 = 0, 0, 0)
8
ADC40
DINADC 14
CR0 CR7 CRCR7
/
(RS2, RS1, RS0 = 0, 0, 1 / = 0x080060)
(RS2, RS1, RS0 = 0, 0, 0 / = 0x80)
Rev. B | Page 20 of 40
SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0
RDY(1) ERR(0) NOREF(0) Parity(0) 0(0) CHD2(0) CHD1(0) CHD0(0)
16.
SR7 RDY ADC ADC ADCDRY
SYNC DOUT/DRYADC
SR6 ERR ADC DRY ERRADC 0 1
SR5 NOREF (REFIN1 REFIN2)1
REFDET 1 NOREF
SR4 Parity ENPAR 1Parity 1
DAT_STA DAT_STA
SR3 0 0SR2 to SR0 CHD2 to
CHD0
MR23 MR22 MR21 MR20 MR19 MR18 MR17 MR16
MD2(0) MD1(0) MD0(0) DAT_STA(0) CLK1(1) CLK0(0) 0 0
MR15 MR14 MR13 MR12 MR11 MR10 MR9 MR8
Sinc3(0) 0 ENPAR(0) 0 Single(0) REJ60(0) FS9(0) FS8(0) MR7 MR6 MR5 MR4 MR3 MR2 MR1 MR0
FS7(0) FS6(1) FS5(1) FS4(0) FS3(0) FS2(0) FS1(0) FS0(0)
AD7190
8 ADC 0RS2 RS1 RS0 16 SR0 SR7 SR
SR7 /
2417 MR0 MR23 MR MR23
/RDY
17.
MR23 MR21 MD2 MD0 AD7190 18MR20 DAT_STA DAT_STA
MR19 MR18 CLK1 CLK0 AD7190 4.92 MHzAD7190 AD7190 50 Hz/60 Hz
CLK1 CLK0 ADC
0 0 MCLK1 MCLK20 1 MCLK21 0 4.92 MHz MCLK21 1 4.92 MHz MCLK2
MR17 MR16 0MR15 SINC3 Sinc3 sinc4 sinc3
sinc4 sinc3 fADCsinc3 3/fADC sinc4 4/fADC sinc4
50 Hz/60 HzFS 5 sinc4
sinc3
MR14 0MR13 ENPAR ENPAR
DAT_STA DAT_STA
MR12 0
= (fmod/64)/FS
= (fmod/64)/(N x FS)
MR11 Single AD7190 ADC
MR10 REJ60 sinc 50 Hz 60 Hz sinc50 Hz REJ60 60 Hz 50 Hz/60 Hz
MR9 MR0 FS9 FS0 10
6 13
FS FS0 FS9 1 1023 fmod MCLK/164.92 MHz MCLK 4.69 Hz 4.8 kHz
FS FS0 FS9 1 1023 fmod MCLK/164.92 MHz MCLK 4.69/N Hz 4.8/N kHz N sinc
sinc N x /2
AD7190
Rev. B | Page 21 of 40
18.
MD2 MD1 MD0
0 0 0 ( ) ADCDOUT/RDY RDY CREAD 1( )
SCLK DOUTADC ADC
( )
0 0 1 ADC1 ms ADC RDY
ADCRDY ( )
0 1 0 ADC
0 1 1 AD7190AD7190
1 0 0 RDY RDYADC
1 0 1 RDYRDY ADC
1 1 0 CH7 CH0RDY RDY ADC
1 1 1 CH7 CH0RDY ADC
AD7190
Rev. B | Page 22 of 40
(RS2, RS1, RS0 = 0, 1, 0 / = 0x000117)
24 ADC
19 CON0 CON23 CON CON23/
CON23 CON22 CON21 CON20 CON19 CON18 CON17 CON16
Chop(0) 0(0) 0(0) REFSEL(0) 0(0) 0(0) 0(0) (0) CON15 CON14 CON13 CON12 CON11 CON10 CON9 CON8
CH7(0) CH6(0) CH5(0) CH4(0) CH3(0) CH2(0) CH1(0) CH0(1) CON7 CON6 CON5 CON4 CON3 CON2 CON1 CON0
Burn(0) REFDET(0) 0(0) BUF(1) U/B (0) G2(1) G1(1) G0(1)
19.
CON23 Chop Chop Chop ADC
FS = 96 sinc4
80 ms 160 msFS 96 sinc4 20 ms 80 ms
CON22, CON21 0CON20 REFSEL ADC
REFSEL 0 REFIN1(+) REFIN1(−)
1 P1/REFIN2(+) P0/REFIN2(-)CON19 CON16 0CON15 CON8 CH7 CH0 AD7190 20 AD7190
CON7 Burn 1 500 nA Burn = 0
CON6 REFDET ADC 0.6 VNOREF ADC
CON5 0CON4 BUF
AGND 50 mV AVDD 50 mV250 mV
CON3 U/B
CON2 CON0 G2 G0 ADC
G2 G1 G0 ADC (5 V ) 0 0 0 1 ±5 V 0 0 1 0 1 0 0 1 1 8 ±625 mV 1 0 0 16 ±312.5 mV 1 0 1 32 ±156.2 mV 1 1 0 64 ±78.125 mV 1 1 1 128 ±39.06 mV
AD7190
Rev. B | Page 23 of 40
20.
CHD[2:0]CH7 CH6 CH5 CH4 CH3 CH2 CH1 CH0 AIN(+) AIN(-)
1 AIN1 AIN2 000 0 1 AIN3 AIN4 001 1
1 AIN2 AIN2 011 0 1 AIN1 AINCOM 100 0 1 AIN2 AINCOM 101 1 1 AIN3 AINCOM 110 2 1 AIN4 AINCOM 111 3
AD7190
Rev. B | Page 24 of 40
(RS2, RS1, RS0 = 0, 1, 1 / = 0x000000)
ADC 24RDY /
DAT_STA 124
LSBCHD2 CHD0
ID
RS2, RS1, RS0 = 1, 0, 0 / = 0xX4
ID AD7190
GPOCON
(RS2, RS1, RS0 = 1, 0, 1 / = 0x00)
GPOCON 8
21 GPOCON GP0GP7 GP GPOCONGP7 /
1
GP7 GP6 GP5 GP4 GP3 GP2 GP1 GP0
0(0) BPDSW(0) GP32EN(0) GP10EN(0) P3DAT(0) P2DAT(0) P1DAT(0) P0DAT(0)
21.
GP7 0 0GP 6 BPDSW BPDSW AGND
30 mA BPDSW ADC
GP5 GP32EN P3 P2 GP32EN P3 P2 GP32EN P3P2 P3DAT P2DAT
GP4 GP10EN P1 P0 GP10EN P1 P0 GP10EN P1P0 P1DAT P0DAT REFSEL 1 P1 P0
REFIN2
GP3 P3DAT P3 GP32EN P3DAT P3 P3DAT P3P3DAT P3 GPOCON GP32EN P3
DAT P3GP2 P2DAT P2 GP32EN P2DAT P2 P2DAT P2
P2DAT P2 GPOCON GP32EN P2DAT P2
GP1 P1DAT P1 GP10EN P1DAT P1 P1DAT P1P1DAT P1 GPOCON GP10EN P1
DAT P1GP0 P0DAT P0 GP10EN P0DAT P0 P0DAT P0
P0DAT P0 GPOCON GP10EN P0DAT P0
AD7190
Rev. B | Page 25 of 40
(RS2, RS1, RS0 = 1, 1, 0 / = 0x800000)
ADC0x800000 AD7190
24 /
AD7190
(RS2, RS1, RS0 = 1, 1, 1 / = 0x5XXXX0)
24 ADCAD7190
/ADC
1
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-01
3
19. Sinc4 (50 Hz )
MCLK1 MCLK2 P0/REFIN2(–) P1/REFIN2(+)
DVDD DGND
5V
AIN1IN+
IN–
OUT– OUT+AIN2AIN3AIN4AINCOM
REFIN1(–)
BPDSW
AGND
AD7190
REFIN1(+) REFERENCEDETECT
SERIALINTERFACE
ANDCONTROL
LOGIC
TEMPSENSOR
CLOCKCIRCUITRY
AVDD
AGND
DOUT/RDY
DIN
SCLK
CS
SYNC
P3
P2
AVDDAGND
Σ-ΔADC
PGAMUX
0764
0-01
2
18.
AD7190
Rev. B | Page 26 of 40
ADC
fADC = fCLK/(1024 × FS[9:0])
tSETTLE = 4/fADC
tSETTLE = 3/fADC
AD7190 ADC Σ-ΔPGA
18
Σ-Δ ADC AD7190sinc3 sinc4
SINC3 SINC3 0sinc4 SINC3 1 sinc3
(<1 kHz)sinc4
sinc4 50 Hz/60 Hz
(±1 Hz)
sinc3
ADC
fADC
fCLK = 4.92 MHz FS[9:0] FS9 FS0
4.7 Hz 4800 Hz FS[9:0]1 1023
sinc3 sinc4 sinc4
sinc3
19 20 50 Hz sinc4 sinc3
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-01
5
21. Sinc4 (12.5 Hz )0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-01
6
22. Sinc3 16.6 Hz
AD7190
Rev. B | Page 27 of 40
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-01
4
20. Sinc3 (50 Hz )
sinc4 120 dB50 Hz (±1 Hz) sinc3 100 dB
sinc4 53 dB sinc3
40 dB
sinc4 3 dB
sinc3 3 dB
ADC
sinc
ADC sinc4
sinc3
fADC fCLK = 4.92 MHz
FS[9:0] FS9 FS0
FS[9:0] 1 1023 sinc4
1.173 Hz 1200 Hz sinc3
1.56 Hz 1600 Hz sinc3 sinc4
FS[9:0]
sinc3 sinc4 f3dB
21 22 sinc4 sinc3
f3dB = 0.23 × fADC
tSETTLE = 2/fADC
f3dB = 0.24 × fADC
f3dB = 0.272 × fADC
fADC = fCLK/(4 × 1024 × FS[9:0])
fADC = fCLK/(3 × 1024 × FS[9:0])
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-12
5
25. Sinc4
12.5 Hz REJ60 = 10
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-12
6
26. Sinc3
(16.7 Hz REJ60 = 1)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-01
7
23. Sinc4 (50 Hz REJ60 = 1)0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 25 50 75 100 125 150
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-01
8
24. Sinc3 (50 Hz REJ60 = 1)
AD7190
Rev. B | Page 28 of 40
50 Hz/60 Hz
50 Hz 50 Hz60 Hz 60 Hz
10 Hz 50 Hz/60 HzREJ60 50 Hz/60 Hz
50 Hz REJ60 150 Hz 60 Hz
23 24 sinc4 sinc3
50 Hz REJ60 1
sinc4 50 Hz/60 Hz sinc3
sinc4
50 Hz/60 HzREJ60 1 sinc4
12.5 Hz 50 Hz/60 Hzsinc3 16.7 Hz
50 Hz/60 Hz 25 26 REJ601
SINGLE 1
50 Hz 128 AD719018.5
50 Hz AD7190 17.519 50 Hz
sinc4 ( ) 2750 Hz(sinc4 )
50 Hz50 Hz ADC 12.5 Hz
fADC = 1/tSETTLE
RDY
CONVERSIONSCHANNEL A CHANNEL B
1/fADC
CHANNEL C
0764
0-01
9
28.
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–1000 10050 200 300 400 500150 250 350 450 550 600
FIL
TE
R G
AIN
(d
B)
FREQUENCY (Hz) 0764
0-02
0
27. Sinc4 (50 Hz )
AD7190
Rev. B | Page 29 of 40
50 Hz/60 Hz 12.5 HzREJ60
3 dB 53 dB
AD7190
SPI
CH0 CH7ADC
RDY24
DAT_STA 1
ADCAD7190
RDY
RDYAD7190ADC
tSETTLE ×
sinc4
1/fADC
N
“ ” AD7190
AD7190 CS DIN SCLKDOUT/RDY DINDOUT/RDY SCLK
DINDOUT/RDY SCLK
DOUT/RDY
CSCS
AD7190
tSETTLE fADC
4/(fADC × N)
DIN
SCLK
DOUT/RDY
CS
0x08 0x58
DATA
0x28006007
640-
021
29.
AD7190
Rev. B | Page 30 of 40
3 4 AD7190 3 AD71904
DOUT/RDY
CSSCLK DIN DOUT/RDY AD7190
RDY
CSSCLK
AD7190 CSDSP DSP CS
SCLK (MSB) CSSCLK
1 DIN1 AD7190 DIN 40
500 μs
AD719029 31
AD7190MD2 MD1 MD0 0 0 1
AD71901 ms
DOUT/RDYDOUT/RDY CS
DOUT/RDYDOUT/RDY
ADCDOUT/RDY
DOUT/RDY ADC
ADC
DAT_STA 1
LSB
DIN
SCLK
DOUT/RDY
CS
0x58 0x58
DATA DATA
0764
0-02
2
30.
AD7190
Rev. B | Page 31 of 40
AD7190RDY CS
DOUT/RDY
DOUT/RDY
ADC
DOUT/RDYADC
DAT_STA 1
DIN
SCLK
DOUT/RDY
CS
0x5C
DATA DATA DATA
0764
0-02
3
31.
AD7190
Rev. B | Page 32 of 40
AD7190DOUT/RDY
01011100ADC SCLK
DOUT/RDY ADC
DOUT/RDYADC SCLK
DOUT/RDY DOUT/RDY
AD7190
RDY01011000 ADC
DINDIN 40 1 ADC
DIN
ADC
DOUT/RDY SCLKDOUT/RDY
DAT_STA 1
22. 20 R-C
C (pF) R (Ω)
50 1.4 k 100 850 500 300 1000 230 5000 30
AD7190
Rev. B | Page 33 of 40
AD7190 /BUF
1
(RTD)
BUF = 0
ADC22 20
1 /
AGND + 250 mVAVDD – 250 mV
AGND – 50 mV AVDD + 50 mVAGND
PGA
(PGA) PGAAD7190
128 8.5 nV4.7 Hz 23 20.5
G2 G0 AD71901 8 16 32 64 128 2.5 V
0 mV - 19.53 mV 0 V - 2.5 V±19.53 mV ±2.5 V
(AVDD − 1.25 V)/PGA AVDD = 5 V
AD7190 0 - 3.75 V/±3.75 V/
AD7190
AGND AINCOM
AINCOM 2.5 V AD7190 AIN12 2.5 V
AIN1 2.5 V 3.75 V AINCOM2.5 V AD7190 AIN1
2 AIN1 1.25 V 3.75 V
/ U/B
ADC
00...00100...000
111...111
ADC000...000
100...000111...111
AIN gain PGA (1 128) N = 24
AD7190 4.92 MHz ±4%
/CLK1 CLK0MCLK1 MCLK2
AD7190 MCLK1 MCLK2 15 pFMCLK2 MCLK1
= (2N × AIN × gain)/VREF
= 2N – 1 × [(AIN × gain/VREF) + 1]
AD7190
Rev. B | Page 34 of 40
MCLK2ADC
ADC
SYNC
AD7190 500 nA AVDD
AIN(+) AIN(−) AGNDAIN(+) AIN(−)
AINCOM
(Burn)
NOREF 1
0 V
ADC
REFIN1(x) REFIN2(x) REFSELAD7190 REFIN2(x)
REFSEL 1
AGND AVDD
R-CREFIN (REFINx(+) − REFINx(−)) AVDD
AD7190 1 V AVDD
AD7190
AD7190 2.5 V ADR421ADR431
( ADR431)REFINx(+)
REFINx
AD7190REFDET
1 REFINx(+) REFINx(–)0.3 V 0.6 V AD7190
NOREF1 AD7190 NOREF
1NOREF ADC
1 AD7190NOREF
ERR
ERR
AD7190 140 1
500 μs SCLK
AD7190
Rev. B | Page 35 of 40
SYNC
SYNCSYNC
AD7190SYNC
AD7190SYNC AD7190
SYNC
AD7190 SYNCAD7190
AD7190
SYNCSYNC
SYNC
SYNC SYNCRDY
ADC sinc4
AD7190 CH2
CH2 1
0 K 0x80000025°C
2815 /°C
±2 °C
5 V 350 Ω15 mA
1830 mA
10 Ω
AD7190 P0 P1 P2 P3GPOCON GP32EN GP10EN
GPOCON P0DATP3DAT P0DAT P3DAT
AVDD DVDD
GPOCON P0DAT P3DAT
AD7190
AD7190SYNC AD7190
(K) = ( – 0x800000)/2815 K
(°C) = (K) – 273
23.
(%)
8 −0.11 16 −0.20 32 −0.23 64 −0.29 128 −0.39
AD7190
Rev. B | Page 36 of 40
AD7190 ADC
1ENPAR 1
24
DAT_STA 1
24 1 2411 1 1
11
1 21
AD7190
MD2 MD0ADC ADC
MD2 MD0DOUT/RDY RDY
RDY DOUT/RDYCF AD7190
ADC
ADC ADC
ADC
RDY DOUT/RDY
tSETTLE sinc4 4/fADC sinc3
3/fADC
ADC
tSETTLE,(2/fADC)tSETTLE
1tSETTLE
2 × tSETTLE
tSETTLE
FS[9:0] 16 FS[9:0] FS9 FS0 10
10 Hz50 Hz
100 μV/
AD71901 5 V 5 V
0.001% 231
0.001%0.0075%
AD7190
Rev. B | Page 37 of 40
AD7190EEPROM
ADC24
AD7190
R-C100 Ω
0.1 μF0.01 μF AGND
AD7190AD7190
ADC (PCB)
AD7190 AGNDDGND
AD7190
AGND DGNDAD7190
AD7190 AGND
AGND
AD7190AD7190
ADC 10 μF0.1 μF AGND
DGND 0.1 μFAD7190
AVDD DVDD AVDD
AD7190AVDD AGND
AD7190 DVDD DGND
MCLK1 MCLK2 P0/REFIN2(–) P1/REFIN2(+)
DVDD DGND
5V
AIN1IN+
IN–
OUT– OUT+AIN2AIN3AIN4AINCOM
REFIN1(–)
BPDSW
AGND
AD7190
REFIN1(+) REFERENCEDETECT
SERIALINTERFACE
ANDCONTROL
LOGIC
TEMPSENSOR
CLOCKCIRCUITRY
AVDD
AGND
DOUT/RDY
DIN
SCLK
CS
SYNC
P3
P2
AVDDAGND
Σ-ΔADC
PGAMUX
0764
0-02
4
AD7190
Rev. B | Page 38 of 40
AD7190Σ-Δ
32 AD7190OUT+ OUT–
5 V 2 mV/V10 mV
ADC
AD7190
AD7190
AD7190
32R-C
100 Ω 0.1 μF0.01 μF
AGND
32. ( )
24 13
1216.40 BSC
4.504.404.30
PIN 1
7.907.807.70
0.150.05
0.300.19
0.65BSC
1.20MAX
0.200.09
0.750.600.45
8°0°
SEATINGPLANE
0.10 COPLANARITY
COMPLIANT TO JEDEC STANDARDS MO-153-AD 33. 24 [TSSOP] (RU-24)
AD7190BRUZ1 –40°C +105°C 24 TSSOP RU-24 AD7190BRUZ-REEL1 –40°C +105°C 24 TSSOP RU-24 EVAL-AD7190EBZ1 1 Z = RoHS
AD7190
Rev. B | Page 39 of 40
AD7190
Rev. B | Page 40 of 40
©2008-2009 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D07640-0-5/09(B)
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