LM1973 Overview
Description
The LM1973 is a digitally controlled 3-channel 76dB audio attenuator fabricated on a CMOS process. Each channel has attenuation steps of 0.5dB from 0dB–15.5dB, 1.0dB steps from 16dB–47dB, and 2.0dB steps from 48dB– 76dB, with a mute function attenuating 104dB.
Key Features
- 2 3-Wire Serial Interface
- Daisy-Chain Capability
- 104dB Mute Attenuation
- Pop and Click Free Attenuation Changes