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AD8273 - High Precision Difference Amplifier

Datasheet Summary

Description

The AD8273 is a low distortion, dual-channel amplifier with internal gain setting resistors.

With no external components, it can be configured as a high performance difference amplifier (G = ½ or 2), inverting amplifier (G = ½ or 2), or noninverting amplifier (G = 1½ or 3).

Features

  • ±4000 V HBM ESD Very low distortion 0.00025% THD + N (20 kHz) 0.0015% THD + N (100 kHz) Drives 600 Ω loads Two gain settings Gain of ½ (.
  • 6 dB) Gain of 2 (+6 dB) 0.05% maximum gain error 10 ppm/°C maximum gain drift Excellent ac specifications 20 V/μs minimum slew rate 800 ns to 0.01% settling time High accuracy dc performance 77 dB minimum CMRR 700 μV maximum offset voltage 14-lead SOIC package Supply current: 2.5 mA maximum per channel Supply range: ±2.5 V to ±18 V.

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Datasheet Details

Part number AD8273
Manufacturer Analog Devices
File Size 398.47 KB
Description High Precision Difference Amplifier
Datasheet download datasheet AD8273 Datasheet
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Full PDF Text Transcription

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Very Low Distortion, Dual-Channel, High Precision Difference Amplifier AD8273 FEATURES ±4000 V HBM ESD Very low distortion 0.00025% THD + N (20 kHz) 0.0015% THD + N (100 kHz) Drives 600 Ω loads Two gain settings Gain of ½ (−6 dB) Gain of 2 (+6 dB) 0.05% maximum gain error 10 ppm/°C maximum gain drift Excellent ac specifications 20 V/μs minimum slew rate 800 ns to 0.01% settling time High accuracy dc performance 77 dB minimum CMRR 700 μV maximum offset voltage 14-lead SOIC package Supply current: 2.5 mA maximum per channel Supply range: ±2.5 V to ±18 V FUNCTIONAL BLOCK DIAGRAM +VS 11 12kΩ 2 6kΩ 12 12kΩ 3 12kΩ 6 6kΩ 6kΩ 13 14 10 06981-001 12kΩ 5 6kΩ 4 –VS Figure 1.
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