AD8338

Data Sheet

Rev. B | Page 8 of 19

0

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

10k

100k

1M

10M

FREQUENCY (Hz)

0dB

20dB

40dB

60dB

80dB

Figure 16. Common-Mode Rejection Ratio (CMRR) vs. Frequency over Gain,

Offset Null On, Referred to Input

100000

10000

1000

100

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

–40°C

+25°C

+85°C

1

10

100

1000

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

–40°C

+25°C

+85°C

1k

0.1

1

10

100

10k

100k

1M

100M

10M

FREQUENCY (Hz)

GAIN = 1, OFSN DISABLED

GAIN = 10, OFSN DISABLED

GAIN = 100, OFSN DISABLED

GAIN = 1000, OFSN ENABLED

GAIN = 10000, OFSN ENABLED

Figure 19. Input Referred Noise vs. Frequency

0

–90

–80

–70

–60

–50

–40

–30

–20

–10

50k

500k

5M

FREQUENCY (Hz)

HD2, 1kΩ

HD3, 1kΩ

HD2, 10kΩ

HD3, 10kΩ

Figure 20. Harmonic Distortion vs. Frequency

–60

–50

–40

–30

–20

–10

0

0.5

1.0

1.5

2.0

2.5

3.0

HD2

HD3

Figure 21. Harmonic Distortion vs. Output Amplitude