AD8656ARZ-REEL データシートの表示（PDF） - Analog Devices

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AD8656ARZ-REEL

Low Noise, Precision CMOS Amplifier

Analog Devices 

Data Sheet

THD Readings vs. Common-Mode Voltage

Total harmonic distortion of the AD8655/AD8656 is well below

0.0007% with a load of 1 kΩ. This distortion is a function of the

circuit configuration, the voltage applied, and the layout, in

addition to other factors.

+2.5V

–

AD8655

+

VIN

–2.5V

VOUT

RL

Figure 57. THD + N Test Circuit

AD8655/AD8656

1.0

0.5 SWEEP 1:

VIN = 2V p-p

0.2

RL = 10kΩ

0.1

0.05

SWEEP 2:

VIN = 2V p-p

RL = 1kΩ

0.02

0.01

0.005

0.002

0.001

0.0005

SWEEP 2

0.0002

0.0001

20

SWEEP 1

50 100 200 500 1k 2k 5k 10k 20k 50k 80k

Hz

Figure 58. THD + Noise vs. Frequency

Rev. E | Page 17 of 20

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