AD5940 datasheet(20/130 Pages) AD

20 / 130 page

AD5940

Data Sheet

Rev. 0 | Page 20 of 130

TYPICAL PERFORMANCE CHARACTERISTICS

–100

FREQUENCY (Hz)

100

10k

100k

10M

–10

–20

–30

–40

–50

–60

–70

–80

–90

Figure 5. Magnitude vs. Frequency, ADC 1.82 V Voltage Reference AC PSRR

–100

100

10k

FREQUENCY (Hz)

100k

10M

–10

–20

–30

–40

–50

–60

–70

–80

–90

Figure 6. Magnitude vs. Frequency, Low Power 2.5 V Voltage Reference

AC PSRR

2.49976

2.49974

2.49972

2.49970

2.49968

2.49964

2.49966

2.49962

2.49960

2.49958

2.49956

2.49954

2.49952

2.49950

2.49948

2.49946

2.7

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

3.6

SUPPLY VOLTAGE (V)

Figure 7. Low Power Reference (2.5 V) vs. Supply Voltage,

DC PSRR

2.7

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

3.6

SUPPLY VOLTAGE (V)

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

Figure 8. High Power Reference vs. Supply Voltage,

1.11 V Voltage Reference DC PSRR

2.7

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

3.6

SUPPLY VOLTAGE (V)

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

Figure 9. High Power Reference vs. Supply Voltage,

ADC 1.82 V Voltage Reference DC PSRR

–2

–1

RE0 PIN VOLTAGE (V)

0.2

0.4

0.6

0.8

2.0

2.2

1.0

1.2

1.4

1.6

1.8

2.4

Figure 10. Low Power Potentiostat Input Bias Current (IBIAS) vs. RE0 Pin

Voltage

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