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AD8228 - Low Gain Drift Precision Instrumentation Amplifier

Description

The AD8228 is a high performance instrumentation amplifier with very high gain accuracy.

Because all gain setting resistors are internal and laser trimmed, gain accuracy and gain drift are better than can be achieved with typical instrumentation amplifiers.

Features

  • Easy to use Pin strappable gains of 10 and 100 Wide power supply range: ±2.3 V to ±18 V DC specifications (B Grade, G = 10) 2 ppm/°C gain drift 0.02% gain error 50 μV maximum input offset voltage 0.8 μV/°C maximum input offset drift 0.6 nA maximum input bias current 100 dB CMRR AC specifications 650 kHz,.
  • 3 dB bandwidth (G = 10) 2 V/μs slew rate Low noise 8 nV/√Hz, @ 1 kHz (G = 100) 0.3 μV p-p from 0.1 Hz to 10 Hz (G = 100) TOP VIEW (Not to Scale) Figure 1.

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Datasheet Details

Part number AD8228
Manufacturer Analog Devices
File Size 831.21 KB
Description Low Gain Drift Precision Instrumentation Amplifier
Datasheet download datasheet AD8228 Datasheet
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www.DataSheet4U.com Low Gain Drift Precision Instrumentation Amplifier AD8228 CONNECTION DIAGRAM –IN 1 G1 2 G2 3 +IN 4 8 +VS 7 VOUT 6 REF FEATURES Easy to use Pin strappable gains of 10 and 100 Wide power supply range: ±2.3 V to ±18 V DC specifications (B Grade, G = 10) 2 ppm/°C gain drift 0.02% gain error 50 μV maximum input offset voltage 0.8 μV/°C maximum input offset drift 0.6 nA maximum input bias current 100 dB CMRR AC specifications 650 kHz, –3 dB bandwidth (G = 10) 2 V/μs slew rate Low noise 8 nV/√Hz, @ 1 kHz (G = 100) 0.3 μV p-p from 0.1 Hz to 10 Hz (G = 100) TOP VIEW (Not to Scale) Figure 1. APPLICATIONS Weigh scales Industrial process controls Bridge amplifiers Precision data acquisition systems Medical instrumentation Strain gages Transducer interfaces Table 1.
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