ADS131M04-Q1
ZHCSOL7A –MARCH 2022 –REVISED AUGUST 2022
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6.9 Typical Characteristics
at TA = 25°C, AVDD = 3 V, DVDD = 3 V, fCLKIN = 8.192 MHz, data rate = 4 kSPS, and gain = 1 with global-chop mode
disabled (unless otherwise noted)
350
HR Mode
LP Mode
VLP Mode
300
250
200
150
100
50
0
8
16
32
Gain
64
128
Gains of 8, 16, 32, 64, and 128 only
图6-4. Input Bias Current vs Gain
图6-5. Input Impedance vs Gain
350
300
250
200
150
100
50
0
1
2
4
8
16
32
64
128
Gain
30 units, channel 1
图6-7. Input Offset Voltage vs Gain
图6-6. Start-Up Time Histogram
200
180
160
140
120
100
-40
-20
0
20
40
60
80
100 120 140
Temperature (èC)
ADS1
Includes internal reference error
图6-9. Gain Error vs Temperature
图6-8. Input Offset Voltage vs Temperature
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