Tłumik audio  (cyfrowy potencjometr) LM1972M Producent National Semiconductor Obudowa M20B (SOP20)

KEY SPECIFICATIONS
■ Total Harmonic Distortion + Noise: 0.003% (max)
■ Frequency response: 100 kHz (−3dB) (min)
■ Attenuation range (excluding mute): 78dB (typ)
■ Differential attenuation: ±0.25dB (max)
■ Signal-to-noise ratio (ref. 4 Vrms): 110dB (min)
■ Channel separation: 100dB (min)

FEATURES

■ 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