High-Q Active Differential Bandpass Filter Reference Design for Instrumentation Qualification

(ACTIVE) TIDA-01036

Description & Features

Technical Documents

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Key Document

Description

The TIDA-01036 reference design demonstrates a high quality factor (Q factor) active differential bandpass filter. Such filters improve signal source SNR and may be used for data acquisition (DAQ) module testing. This filter may also be used to design a signal conditioning circuit in a DAQ system analog front end.

Features
  • Differential input filter supports up to 100 KHz center frequency with high quality factor
  • Designed fully differential amplifier (FDS) for low distortion and high SNR
  • Multiple feedback topology (MFT) is used for high quality factor
  • High performance device characterization (A/D and D/A) and validation
  • Compact solution that replaces bulky high order passive filter

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
OPA376  Precision, Low Noise, Low Iq Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
THS4551  Low Noise, Precision, 150MHz, Fully Differential Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
OPA376 Download Download
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THS4551 Download
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Application notes (2)
Title Abstract Type Size (KB) Date Views
PDF 867 19 Sep 2016 96
PDF 199 23 May 2007 4
User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1847 28 Mar 2016 16
Design files (6)
Title Abstract Type Size (KB) Date Views TI Recommends
ZIP 2268 07 Oct 2016 2
PDF 3814 07 Oct 2016 1 1
ZIP 4058 07 Oct 2016 0
PDF 605 07 Oct 2016 1 1
PDF 92 07 Oct 2016 0
PDF 617 07 Oct 2016 2
Related Tools & Software

Reference Designs  ( 3 )

Design Kits & Evaluation Modules  ( 1 )

Name Part Number Tool Type
ADS9110 18-Bit, 2MSPS, 15mW SAR ADC EVM Performance Demonstration Kit (PDK)  ADS9110EVM-PDK  Evaluation Modules & Boards 

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