SM6451BV - Nippon Precision Circuits Inc

SM6451BV Audio Variable Volume IC

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1. Name RSTN ADRS1 ADRS2 DV D D LOUT LIN AV D D VRL VRR AV S S RIN ROUT DV S S MLEN MCK MDT I/O 1 Ip Ip Ip – 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) Chip address set 1 Chip address set 2 Digital supply Left-channel audio output Left-channel.

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 MDT MCK MLEN DVSS ROUT RIN AVSS 6451BV 8 9 VRR APPLICATIONS s Audio equipment PACKAGE DIMENSIONS (Unit: mm) 16 pin VSOP ORDERING INFORMATIO.