LM1972 Datasheet - Texas Instruments

LM1972 2-Channel 78dB Audio Attenuator

The LM1972 is a digitally controlled 2-channel 78dB audio attenuator fabricated on a CMOS process. Each channel has attenuation steps of 0.5dB from 0dB *47.5dB, 1.0dB steps from 48dB *78dB, with a mute function attenuating 104dB. Its logarithmic attenuation curve can be customized thro.

LM1972 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

* Electro

LM1972-etcTI.pdf