Digitally Tunable MDAC Based State Variable Filter Reference Design

(ACTIVE) TIPD160

Description & Features

Technical Documents

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Key Document

Description

This MDAC based state variable filter offers highly accurate digital tuning of gain, center/cut off frequency, and quality factor. This circuit provides three separate filter outputs: low pass, band pass, and high pass that can be accessed simultaneously.  This circuit is suitable for a broad range of applications requiring accurate digital filter tuning from audio to industrial and more!

Features
  • Contains Theory, Component Selection, TINA-TI Simulation, Measured Results, PCB Layout, Modifications
  • Digitally tunable high, band, or low pass filter
    • Gain range -53.13 dB to 6.01 dB
    • Frequency range 1.99 Hz to 28.76 kHz
    • Quality factor range 0.46 to 2.14

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


  




TI Devices (2)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC8812  16-Bit, Dual Serial Input Multiplying Digital-to-Analog Converter  Digital-to-Analog Converters (DACs)  Sample & Buy Not Available
OPA277  High Precision Operational Amplifiers  Operational Amplifiers (Op Amps)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

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

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 2073 19 Sep 2014 89
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 1823 16 Oct 2014 6
PDF 185 16 Oct 2014 3
PDF 193 16 Oct 2014 67
Related Tools & Software

Software (2)



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