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SM6451 - Audio Variable Volume IC

Description

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1.

O I O O I O Ip Ip Ip A/D1 D D D D A A A A A A A A D D D D Description System reset input (LOW -level reset)

Features

  • s s PINOUT (Top View) s s s s s s Stereo inputs and outputs Attenuation function.
  • 2-channel independent control.
  • 1.0 dB/step over 80 steps.
  • 0 to.
  • 80 dB range Mute function 3-wire serial data control (MDT, MCK, MLEN) Chip addressing (up to 4 devices can be connected in parallel) Low noise.
  • 0.003 % THD + noise.
  • 12 µVrms residual noise 2.5 to 3.6 V single power supply Silicon-gate CMOS process RSTN ADRS1 ADRS2 DVDD LOUT LIN AVDD VRL 1 16.

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Datasheet preview – SM6451

Datasheet Details

Part number SM6451
Manufacturer Nippon Precision Circuits Inc
File Size 155.00 KB
Description Audio Variable Volume IC
Datasheet download datasheet SM6451 Datasheet
Additional preview pages of the SM6451 datasheet.

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Full PDF Text Transcription

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SM6451BV NIPPON PRECISION CIRCUITS INC. Audio Variable Volume IC OVERVIEW The SM6451BV is a 3-wire serial-controlled electronic variable volume IC for audio applications. It provides electronic volume control for a stereo system (left and right channels), and independent channel attenuation and muting, with greatly enhanced digital zip noise suppression. The chip address function allows up to four SM6451BV devices to be connected and individually controlled over the 3-wire control interface from a single CPU. It is available in 16-pin VSOP packages. FEATURES s s PINOUT (Top View) s s s s s s Stereo inputs and outputs Attenuation function • 2-channel independent control • 1.
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