AD5940
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
0
1.110530
1.110528
1.110526
1.110524
1.110522
1.110520
1.110518
1.110516
1.110514
1.110512
1.110510
1.110508
1.110506
1.110504
1.110502
1.110500
1.110498
1.110496
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
100
1k
10k
100k
1M
10M
10
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
Figure 5. Magnitude vs. Frequency, ADC 1.82 V Voltage Reference AC PSRR
Figure 8. High Power Reference vs. Supply Voltage,
1.11 V Voltage Reference DC PSRR
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
1.820950
1.820948
1.820946
1.820944
1.820942
1.820940
1.820938
1.820936
1.820934
1.820932
1.820930
1.820928
1.820926
1.820924
1.820922
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
10
100
1k
10k
100k
1M
10M
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
Figure 6. Magnitude vs. Frequency, Low Power 2.5 V Voltage Reference
AC PSRR
Figure 9. High Power Reference vs. Supply Voltage,
ADC 1.82 V Voltage Reference DC PSRR
2.49976
2.49974
2.49972
2.49970
2.49968
2.49966
2.49964
2.49962
2.49960
2.49958
2.49956
2.49954
2.49952
2.49950
2.49948
2.49946
6
5
4
3
2
1
0
–1
–2
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
SUPPLY VOLTAGE (V)
RE0 PIN VOLTAGE (V)
Figure 7. Low Power Reference (2.5 V) vs. Supply Voltage,
DC PSRR
Figure 10. Low Power Potentiostat Input Bias Current (IBIAS) vs. RE0 Pin
Voltage
Rev. 0 | Page 20 of 130
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