SM5866AS

更新时间： 2024-02-23 17:29:17

品牌	Logo	应用领域
NPC		转换器光电二极管 PC
页数	文件大小	规格书
23页	585K
描述
D/A Converter for DSD and PCM

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技术参数
数据手册

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SM5866AS 技术参数

是否Rohs认证：	不符合	生命周期：	Contact Manufacturer
包装说明：	SOP, SOP28,.4	Reach Compliance Code：	unknown
风险等级：	5.07	Is Samacsys：	N
转换器类型：	D/A CONVERTER	输入位码：	BINARY
JESD-30 代码：	R-PDSO-G28	位数：	24
功能数量：	1	端子数量：	28
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SOP28,.4	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	电源：	5 V
认证状态：	Not Qualified	子类别：	Other Converters
最大压摆率：	32 mA	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
Base Number Matches：	1

SM5866AS 数据手册

SM5866AS

D/A Converter for DSD and PCM

OVERVIEW

The SM5866AS is a D/A converter compatible with

both the DSD SACD signal format and the PCM

CD/DVD-Audio and similar formats. DSD employs

a 1-bit data stream, from a high-order ∆Σ conversion

at 64fs (fs = 44.1kHz), that contains high-level quan-

tization noise in the high-frequency band above

20kHz. The SM5866AS, in DSD reproduction, has a

DSD-dedicated FIR digital ﬁlter that attenuates the

DSD quantization noise in the digital domain, and

the resulting multi-level signal is D/A converted. In

PCM reproduction, an oversampled PCM signal

input, provided using a SM5847AF or similar digital

ﬁlter, is converted to a multi-level signal by the 3rd-

order noise shaper and then the multi-level signal is

D/A converted.

FEATURES

PINOUT

(Top view)

ꢀ Mono-channel multi-level D/A converter

^ꢀHigh performance analog characteristics

• DSD mode (typical values)

- THD + N: –109dB (0.00036%)

- D.R: 115dB

TSTN

IMD1

IMD0

• PCM mode (typical values)

- THD+N: –106dB (0.00050%)

- D.R: 112dB

ꢀ 2 selectable DSD digital ﬁlters

^ꢀPCM input mode

• 24-bit, MSB-ﬁrst, right-justiﬁed

• 8-times or 4-times oversampling of fs = 16k to

192kHz

DVDD

SDI

AVSSA

SBCKA

SBCKD

RSTN

IOUTA

IOUTAN

AVDDA

AVDDB

BCKI

WCKI

DVSS

BCPOL

DSPOL

CVDD

IOUTB

IOUTBN

AVSSB

CVSS

ꢀ System clock (CKI)

Maximum operating frequency: f

• 37.0MHz (note 1)

(max)

CKI

15 CKI

• 45.4MHz (note 2)

ꢀ DSD mode fs = f /512

CKI

• typ. fs = 44.1kHz

• max. fs = 52.7kHz (note 1)

• max. fs = 88.7kHz (note 2)

ꢀ PCM mode system clock

• 192/256/384/512/768fs

ꢀ Operating voltage: 4.5 to 5.5V

PACKAGE DIMENSIONS

(Unit: mm)

Weight: 0.60g

ꢀ Operating temperature: –40 to 85°C

ꢀ Package: 28-pin SOP

ꢀ Molybdenum-gate CMOS process

(note 1) Under the operating conditions 1: 4.5 to 5.5V, –40 to 85°C

(note 2) Under the operating conditions 2: 4.75 to 5.25V, –40 to 70°C

1.095TYP

18.7 0.ꢀ

ORDERING INFORMATION

0 to 10

Device

Package

1.27

0.10

SM5866AS

28-pin SOP

0.4 0.1

0.12 M

NIPPON PRECISION CIRCUITS INC.—1

12 3 4 5 6 7...23

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