TIPD191 Reference Design

Texas Instruments

Instrumentation Amplifier with DC Rejection Reference Design

Description

This design is an ac coupled instrumentation amplifier. More specifically: the circuit amplifies ac differential input signals and rejects dc differential and common mode signals. The input is dc coupled: so it achieves effective ac coupling by shifting the instrumentation amplifier reference voltage to cancel output offset.

Features
  • ac coupled INA Maintains excellent CMRR Rejects dc and slow moving offsets Adjustable lower cutoff frequency
Applications
Product Categories
  • Amplifiers

Parts

Part Number Name Companion Part
INA128 INA128 Buy Datasheet
OPA188 OPA188 Buy Datasheet

Software

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
TIPD191 BOM 02 Jun 2015 PDF 205
TIPD191 Schematic 02 Jun 2015 PDF 327