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MAX9939 - SPI Programmable-Gain Amplifier

Description

The MAX9939 is a general-purpose, differential-input programmable-gain amplifier (PGA) that is ideal for conditioning a variety of wide dynamic range signals such as those found in motor current-sense, medical instrumentation, and sonar data acquisition applications.

Features

  • programmable differential gains from 0.2V/V to 157V/V, input offset-voltage compensation, and an output amplifier that can be configured either as a high-order active filter or to provide a differential output. The PGA is optimized for high-signal bandwidth and its gain can be programmed to be 0.2V/V, 1V/V, 10V/V, 20V/V, 30V/V, 40V/V, 60V/V, 80V/V, 119V/V, and 157V/V. Precision resistor matching provides extremely low gain tempco and high CMRR. Although the MAX9939 operates from a single supply.

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Datasheet preview – MAX9939

Datasheet Details

Part number MAX9939
Manufacturer Maxim Integrated Products
File Size 1.74 MB
Description SPI Programmable-Gain Amplifier
Datasheet download datasheet MAX9939 Datasheet
Additional preview pages of the MAX9939 datasheet.

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Full PDF Text Transcription

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Click here for production status of specific part numbers. MAX9939 SPI Programmable-Gain Amplifier with Input VOS Trim and Output Op Amp General Description The MAX9939 is a general-purpose, differential-input programmable-gain amplifier (PGA) that is ideal for conditioning a variety of wide dynamic range signals such as those found in motor current-sense, medical instrumentation, and sonar data acquisition applications. It features programmable differential gains from 0.2V/V to 157V/V, input offset-voltage compensation, and an output amplifier that can be configured either as a high-order active filter or to provide a differential output. The PGA is optimized for high-signal bandwidth and its gain can be programmed to be 0.
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