LCR meter analog front end reference design
TIDA-060029
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Description & Features

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Key Document

Description

This reference design, TIDA-060029 demonstrates an analog signal chain solution for LCR Meter applications using an auto balancing impedance measurement method.

Features
  • Measures wide range of components (L, C, R) with impedance values ranging from 1 Ω to 10 MΩ
  • Frequency of operation up to 100 kHz
  • Tested at 100 Hz, 1 kHz, 10 kHz, 100 kHz
  • Impedance accuracy of 0.1 %
  • Inherently stable operation of the signal chain

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Schematic/Block Diagram

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Test Data

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
BUF634A  210-MHz, 250-mA high-speed buffer  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
OPA2810  Dual channel, high performance, 27 V, 105 MHz, RRIO FET input op amp  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
BUF634A Download
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OPA2810 Download Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1927 16 Sep 2020
Design files (6)
Title Type Size (KB) Date
ZIP 601 29 Jun 2020
ZIP 887 29 Jun 2020
PDF 733 29 Jun 2020
PDF 411 29 Jun 2020
PDF 92 29 Jun 2020
PDF 264 29 Jun 2020

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