PGA281 Datasheet PDF (Programmable Gain Instrumentation Amplifier)

PGA281 - Programmable Gain Instrumentation Amplifier

Description

The PGA281 is a high-precision instrumentation amplifier with a digitally-controllable gain and signalintegrity test capability.

This device uses proprietary autozeroing techniques to offer low offset voltage, near-zero offset and gain drift, excellent linearity, and nearly no 1/f noise.

Features

1.
234 Wide Input Range: ±15.5 V at ±18 V Supply.
Binary Gain Steps: 128 V/V to ⅛ V/V.
Additional Scaling Factor: 1 V/V and 1⅜ V/V.
Low Offset Voltage: 5 μV at G = 128.
Near-Zero Long-Term Drift of Offset Voltage.
Near-Zero Gain Drift: 0.5 ppm/°C.
Excellent Linearity: 1.5 ppm.
Excellent CMRR: 140 dB.
High Input Impedance.
Very Low 1/f Noise.
Differential Signal Output.
Overload Detection.

Datasheet Details

Part number	PGA281
Manufacturer	Texas Instruments
File Size	2.20 MB
Description	Programmable Gain Instrumentation Amplifier
Datasheet	PGA281 Datasheet
Additional preview pages of the PGA281 datasheet.

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Full PDF Text Transcription

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PGA281 www.ti.com SBOS664A – MARCH 2013 – REVISED JUNE 2013 Precision, Zero-Drift, High-Voltage, Programmable Gain Instrumentation Amplifier Check for Samples: PGA281 FEATURES 1 •234 Wide Input Range: ±15.5 V at ±18 V Supply • Binary Gain Steps: 128 V/V to ⅛ V/V • Additional Scaling Factor: 1 V/V and 1⅜ V/V • Low Offset Voltage: 5 μV at G = 128 • Near-Zero Long-Term Drift of Offset Voltage • Near-Zero Gain Drift: 0.5 ppm/°C • Excellent Linearity: 1.

Published: May 1, 2022 |