Data Sheet

AD8231-EP

Rev. A | Page 9 of 20

TYPICAL PERFORMANCE CHARACTERISTICS

INSTRUMENTATION AMPLIFIER PERFORMANCE CURVES

1000

0

200

400

600

800

–100 –80

–60

–40

–20

0

20

40

60

80

100

CMRR (µV/V)

N: 5956

MEAN: 0.977167

SD: 11.8177

Figure 3. Instrumentation Amplifier CMR Distribution, G = 1

800

700

600

500

400

300

200

100

0

–15

–10

–5

0

5

10

15

VOSI (µV)

N: 5956

MEAN: 2.06788

SD: 1.07546

Figure 4. Instrumentation Amplifier Input Offset Voltage Distribution

800

700

600

500

400

300

200

100

0

–30

–20

–10

0

10

20

30

VOSO (µV)

N: 5956

MEAN: 10.3901

SD: 3.9553

Figure 5. Instrumentation Amplifier Output Offset Voltage Distribution

1400

1200

1000

800

600

400

200

0

–500 –400 –300 –200 –100

0

100

200

300

400

500

GAIN ERROR (µV/V)

N: 5956

MEAN: –48.0779

SD: 21.0433

Figure 6. Instrumentation Amplifier Gain Distribution, G = 1

1400

1200

1000

0

200

400

600

800

–55 –45 –35 –25 –15 –5

15

5

253545

55

6575

TEMPERATURE (°C)

Figure 7. Instrumentation Amplifier Input Offset Voltage Drift,

−55°C to +125°C

20

–10

–5

0

5

10

15

–55 –45 –35 –25 –15 –5

15

5

253545556575

TEMPERATURE (°C)

Figure 8. Instrumentation Amplifier Output Offset Drift, −55°C to +125°C