AD8338ACPZ-R7 datasheet(8/16 Pages) AD

8 / 16 page

AD8338

Data Sheet

Rev. 0 | Page 8 of 16

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

10k

100k

10M

FREQUENCY (Hz)

0dB

20dB

40dB

60dB

80dB

Figure 16. CMRR vs. Frequency over Gain, Offset Null On,

Referred to Input

100k

10k

100

0.4

0.8

1.2

0.3

0.7

1.1

0.2

0.6

1.0

0.1

0.5

0.9

VGAIN (V)

–40°C

+25°C

+85°C

Figure 17. Output Referred Noise vs. VGAIN

100

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

VGAIN (V)

–40°C

+25°C

+85°C

Figure 18. Input Referred Noise vs. VGAIN

1000

0.1

100

10k

100k

100M

10M

FREQUENCY (Hz)

GAIN = 1, OFFSET NULL OFF

GAIN = 10, OFFSET NULL OFF

GAIN = 100, OFFSET NULL OFF

GAIN = 1000, OFFSET NULL ON

GAIN = 10000, OFFSET NULL ON

Figure 19. Input Referred Noise vs. Frequency, VBAT = 3 V

–90

–80

–70

–60

–50

–40

–30

–20

–10

50k

500k

FREQUENCY (Hz)

HD2, 1kΩ

HD3, 1kΩ

HD2, 10kΩ

HD3, 10kΩ

VOUT = 0.5V p-p

Figure 20. Harmonic Distortion vs. Frequency

–10

–20

–30

–40

–50

–60

–70

–80

0.5

3.0

2.5

2.0

1.5

1.0

VOUT (V p-p)

HD2

HD3

Figure 21. Harmonic Distortion vs. Output Amplitude

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