SM6451A

更新时间： 2024-02-13 01:59:22

品牌	Logo	应用领域
NPC		/
页数	文件大小	规格书
13页	183K
描述
Audio Variable Volume IC

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技术参数
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SM6451A 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.37
Base Number Matches：	1

SM6451A 数据手册

SM6451A

Audio Variable Volume IC

OVERVIEW

The SM6451A 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

SM6451A devices to be connected and individually controlled over the 3-wire control interface from a single

CPU. It is available in 16-pin TSSOP packages.

FEATURES

PINOUT

(Top view)

ꢀ Stereo inputs and outputs

ꢀ Attenuation function

• 2-channel independent control

• 1.0dB/step over 80 steps

• 0 to −80dB range

RSTN

MDT

MCK

MLEN

DVSS

ROUT

RIN

ADRS1

ADRS2

DVDD

LOUT

LIN

^ꢀMute function

^ꢀ3-wire serial data control (MDT, MCK, MLEN)

^ꢀChip addressing (up to 4 devices can be connected

in parallel)

^ꢀLow noise

• ≤ 0.002% THD + noise

• 10µVrms residual noise

^ꢀ5V single power supply

^ꢀSilicon-gate CMOS process

^ꢀPackage: 16-pin TSSOP (Pb free)

AVDD

VRL

AVSS

VRR

PACKAGE DIMENSIONS

APPLICATIONS

(Unit: mm)

^ꢀAudio equipment

Weight: 0.07g

ORDERING INFORMATION

5.20MAX

Device

Package

5.00 0.08

SM6451AT

16-pin TSSOP

0 to 8

0.225TYP

0.65

0.08

+ 0.08

0.22 − 0.07

0.13

SEIKO NPC CORPORATION —1

12 3 4 5 6 7...13

中文翻译

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