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LM1973 - 3-Channel 76dB Audio Attenuator

Datasheet Summary

Description

The LM1973 is a digitally controlled 3-channel 76dB audio attenuator fabricated on a CMOS process.

15.5dB, 1.0dB steps from 16dB 47dB, and 2.0dB steps from 48dB

76dB, with a mute function attenuating 104dB.

Features

  • 1.
  • 2 3-Wire Serial Interface.
  • Daisy-Chain Capability.
  • 104dB Mute Attenuation.
  • Pop and Click Free Attenuation Changes.

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Datasheet preview – LM1973

Datasheet Details

Part number LM1973
Manufacturer Texas Instruments
File Size 457.23 KB
Description 3-Channel 76dB Audio Attenuator
Datasheet download datasheet LM1973 Datasheet
Additional preview pages of the LM1973 datasheet.

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Full PDF Text Transcription

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LM1973 www.ti.com SNAS093A – MAY 2004 – REVISED OCTOBER 2004 LM1973 µPot3-Channel 76dB Audio Attenuator with Mute Check for Samples: LM1973 FEATURES 1 •2 3-Wire Serial Interface • Daisy-Chain Capability • 104dB Mute Attenuation • Pop and Click Free Attenuation Changes APPLICATIONS • Automated Studio Mixing Consoles • Music Reproduction Systems • Sound Reinforcement Systems • Electronic Music (MIDI) • Personal Computer Audio Control KEY SPECIFICATIONS • Total Harmonic Distortion + Noise: 0.003 % (max) • Frequency response: 100 kHz (−3dB) (min) • Attenuation range (excluding mute): 76 dB (typ) • Differential attenuation: ±0.25 dB (max) • Signal-to-noise ratio (ref.
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