Datasheet > SM5950BM

SM5950BM

更新时间： 2024-10-30 04:03:59

品牌	Logo	应用领域
NPC		转换器
页数	文件大小	规格书
22页	374K
描述
Asynchronous Sample Rate Converter

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中文翻译

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数据手册

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SM5950BM 数据手册

SM5950BM

Asynchronous Sample Rate Converter

OVERVIEW

The SM5950BM is a digital audio signal asynchronous sample rate converter LSI. It supports 16/20/24-bit

word-length input/output interface data. It also features a built-in digital deemphasis ﬁlter and direct mute

functions.

FEATURES

Functions

PINOUT

(Top view)

^ꢀL/R 2-channel (stereo) processing

^ꢀInput sample rate range: 20kHz to 100kHz

^ꢀOutput sample rate range: 30kHz to 50kHz

^ꢀOperating sample rate conversion ratio (fso/fsi)

: 0.45 to 2.205 selectable

LRCI

BCKI

LRCO

BCKO

DOUT

SLAVE

SCKO

VSS

: fsi = input sample rate

TMOD0

RSTN

VDD

fso = output sample rate

^ꢀAsynchronous input and output clock timing

^ꢀSystem clock input

• Input system clock: 1fsi (LRCI)

• Output system clock: 512fso (SCKO input)

^ꢀDeemphasis ﬁlter function

• IIR-type ﬁlter

• fsi = 44.1kHz, 48kHz, 32kHz compatible

^ꢀDirect mute function

IISI

IISO

IMOD0

IMOD1

DEEM

FS0

OMOD0

OMOD1

TMOD1

THROU

DMUTE

FS1

^ꢀThrough mode operation

• Direct connection from input to output

^ꢀOutput data clocks (LRCO, BCKO)

• Slave mode: external inputs

• Master mode: derived from the output system

clock (SCKO)

^ꢀComputation round-off processing

• Normal round-off

PACKAGE DIMENSIONS

(Unit: mm)

Weight: 0.23g

^ꢀ5V tolerant input pins for direct connection to 5V

operation devices

^ꢀ3.3V single supply

10.20 0.30

10.05 0.20

^ꢀPackage: 24-pin SSOP

ORDERING INFORMATION

Device

Package

SM5950BM

24-pin SSOP

0 to 10

0.8

0.36 0.10

0.10

0.12

Note: Dimensions without tolerance are reference values.

SEIKO NPC CORPORATION —1

12 3 4 5 6 7...22

中文翻译

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