AD7190BRUZ-REEL Analog Devices Inc, AD7190BRUZ-REEL Datasheet - Page 3

• Manufacturer Part Number: AD7190BRUZ-REEL
• Description: 2ch UltraLow Noise 24Bit SD ADC IC.
• Manufacturer: Analog Devices Inc

Specifications of AD7190BRUZ-REEL

• Design Resources: Precision Weigh Scale Design Using AD7190 with Internal PGA (CN0102)
• Number Of Bits: 24
• Sampling Rate (per Second): 4.8k
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SPECIFICATIONS
AV
T
Table 1.
Parameter
ADC
A
Output Data Rate
No Missing Codes
Resolution
RMS Noise and Output Data Rates
Integral Nonlinearity
Offset Error
Offset Error Drift vs. Temperature
Offset Error Drift vs. Time
Gain Error
Gain Drift vs. Temperature
Gain Drift vs. Time
Power Supply Rejection
Common-Mode Rejection
Normal Mode Rejection
DD
= T
@ DC
@ 50 Hz, 60 Hz
@ 50 Hz, 60 Hz
Sinc
Internal Clock
= 4.75 V to 5.25 V, DV
MIN
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
4
to T
Filter
4
4, 5
MAX
, unless otherwise noted.
2
2
2
2
DD
= 2.7 V to 5.25 V, AGND = DGND = 0 V, REFINx(+) = AV
5
AD7190B
4.7 to 4800
1.17 to 1200
1.56 to 1600
24
24
See the RMS Noise and
Resolution section
See the RMS Noise and
Resolution section
±5
±15
±75/gain
±0.5
±100/gain
±5
±5
25
±0.005
±0.0075
±1
10
95
100
100
110
120
120
100
74
96
97
Rev. B | Page 3 of 40
Unit
Hz nom
Hz nom
Hz nom
Bits min
Bits min
ppm of FSR max
ppm of FSR max
μV typ
μV typ
nV/°C typ
nV/°C typ
nV/°C typ
nV/1000 hours typ
% max
% typ
ppm/°C typ
ppm/1000 hours typ
dB typ
dB min
dB min
dB min
dB min
dB min
dB min
dB min
dB min
dB min
DD
Test Conditions/Comments
Chop disabled.
Chop enabled, sinc
Chop enabled, sinc
FS > 1, sinc
FS > 4, sinc
±1 ppm typical, gain = 1.
±5 ppm typical, gain > 1.
Chop disabled.
Chop enabled.
Gain = 1 to 16. chop disabled.
Gain = 32 to 128. chop disabled.
Chop enabled.
Gain ≥ 32.
±0.001 % typical, gain = 1, AV
Gain > 1, post internal full-scale calibration.
Gain = 1.
Gain = 1, V
Gain > 1, V
Gain = 1, V
Gain > 1, V
10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz.
50 ± 1 Hz (50 Hz output data rate), 60 ± 1 Hz
(60 Hz output data rate).
10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, REJ60
50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, 50 ± 1 Hz.
60 Hz output data rate, 60 ± 1 Hz.
, REFINx(−) = AGND, MCLK = 4.92 MHz,
IN
IN
IN
IN
4
3
filter
filter
= 1 V.
= 1 V/gain. 110 dB typical.
= 1 V
= 1 V/gain.
3
3
2
.
.
.
4
3
filter.
filter.
1
DD
7
= 1,
= 5 V
AD7190
6
.