Datasheet > SM5819AF

SM5819AF

更新时间： 2024-10-01 04:31:55

品牌	Logo	应用领域
NPC		转换器 PC
页数	文件大小	规格书
18页	253K
描述
6-channel DSD-PCM Converter

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中文翻译

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数据手册

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SM5819AF 数据手册

SM5819AF

6-channel DSD-PCM Converter

OVERVIEW

The SM5819AF is a 6-channel DSD data (64fs) to 4fs, 2fs or fs PCM data converter. During conversion, deci-

mation ﬁltering is performed using a ﬁlter with selectable ﬁxed coefﬁcients (3 sets). Also, DSD inputs and

PCM outputs are available for use in master/slave clock mode operation, in a wide range of system conﬁgura-

tions, making it easy to construct a multi-channel DSD/PCM reproduction system.

FEATURES

PINOUT

ꢀ 512fs (22.5792MHz, fs = 44.1kHz), 1:2 to 2:1

duty master clock

(Top view)

ꢀ DSD input and PCM output clock master/slave

switching

^ꢀ3-system external data input (3-wire format),

PCM output data/BCK/LRCK external input and

internal ﬁlter output switching

(BCK and LRCK are common to all 3 external

PCM data inputs)

^ꢀDecimation ﬁlter coefﬁcients

• Fixed coefﬁcients: 4fs-1/2fs-1/fs-1

^ꢀPCM output mute operation

^ꢀPCM output format: [MSB-ﬁrst left-justiﬁed 32-

bit] or [IIS 32-bit]

DSBCK 38

24 VSS

VDDL

23 POFLR

22 POCSW

21 POSLR

20 PLRCK

19 PBCK

18 VDDH

DSIFL

DSIFR

DSICT

DSISW

DSISL 43

MCKOUT

VSS

DSISR

DIRDSCK

SYNC 46

15 FMTPCM

13 VDDL

INIT

DIRPCK

(IIS 32-bit output bit clock frequency = 64 × word

clock frequency)

VSS 48

^ꢀFIR ﬁlter coefﬁcients

• 64fs → 4fs/2fs/fs: 480th-order (6-channel)

• ROM coefﬁcients: 24 valid data bits (4-bit MSB

extension at 4fs, 5-bit MSB extension at 2fs/fs)

^ꢀ+ 6dB DSD gain switching function

^ꢀExternal/Internal system clock output switching

^ꢀ3.3V (3.0 to 3.6V) and 2.5V (2.3 to 2.7V) power

supplies

PACKAGE DIMENSIONS

(Unit: mm)

^ꢀ− 40 to 85°C operating temperature range

^ꢀ48-pin QFP package

0ꢀ4

0ꢀ1

APPLICATIONS

^ꢀMulti-channel SA-CD players

^ꢀSA-CD-compatible AV ampliﬁers

0 ~ 10

ORDERING INFORMATION

Device

Package

0ꢀ5

0ꢀ08

SM5819AF

48 -pin QFP

+ 0ꢀ09

0ꢀ18 − 0ꢀ05

SEIKO NPC CORPORATION —1

12 3 4 5 6 7...18

中文翻译

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