Part number:
LM1973
Manufacturer:
National Semiconductor
File Size:
305.93 KB
Description:
Pot3-channel 76db audio attenuator.
LM1973_NationalSemiconductor.pdf
Datasheet Details
Part number:
LM1973
Manufacturer:
National Semiconductor
File Size:
305.93 KB
Description:
Pot3-channel 76db audio attenuator.
LM1973, Pot3-Channel 76dB Audio Attenuator
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.
Its logarithmic
LM1973 Features
* n n n n 3-wire serial interface Daisy-chain capability 104dB mute attenuation Pop and click free attenuation changes Applications n n n n n Automated studio mixing consoles Music reproduction systems Sound reinforcement systems Electronic music (MIDI) Personal computer audio control Typical Applic
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