SM6451BT

更新时间： 2024-01-23 05:21:53

品牌	Logo	应用领域
NPC		/
页数	文件大小	规格书
12页	155K
描述
Consumer IC,

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技术参数
数据手册

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SM6451BT 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

SM6451BT 数据手册

SM6451BV

Audio Variable Volume IC

NIPPON PRECISION CIRCUITS INC.

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

PINOUT

(Top View)

■ Stereo inputs and outputs

■ Attenuation function

• 2-channel independent control

• 1.0 dB/step over 80 steps

• 0 to −80 dB 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

• 0.003 % THD + noise

AVDD

VRL

AVSS

VRR

• 12 µVrms residual noise

■ 2.5 to 3.6 V single power supply

■ Silicon-gate CMOS process

APPLICATIONS

PACKAGE DIMENSIONS

(Unit: mm)

■ Audio equipment

ORDERING INFORMATION

16 pin VSOP

De vice

Packag e

SM6451BV

16-pin VS OP

0.275TYP

5.1 0.2

0.65

0.10

+ 0.10

0.5 0.2

0.22

- 0.05

0.12

NIPPON PRECISION CIRCUITS—1

12 3 4 5 6 7...12

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