SM5865CM datasheet(1/20 Pages) NPC

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ΣDECO SM5865CM

NIPPON PRECISION CIRCUITS—1

NIPPON PRECISION CIRCUITS INC.

D/A Converter for Digital Audio

OVERVIEW

The SM5865CM is a 24-bit input D/A converter LSI

for high-quality digital audio equipment. It com-

prises newly developed DEM (dynamic element

matching) circuits, 3rd-order

Σ∆ noise shaper and

31-level quantizer to realize super low total har-

monic distortion and wide dynamic range. Also, the

device is widely reduced residual quantization noise

up to high-frequency bandwidth in the audio band so

the order of the required ﬁnal-stage analog lowpass

ﬁlter can be reduced, making it ideal for application

with high-frequency sampling format. The output

stage employs differential current outputs for high-

accuracy analog signals, with appropriate lowpass

ﬁltering of the output signal. This device can be used

in combination with an 8-times oversampling digital

ﬁlter of SM5847AF and others like that for the com-

patibility with 192k

Hz sampling format.

FEATURES

I

Mono-channel D/A converter LSI

I

High performance

• 0.00030 % (–110.5dB) typ. THD + N

• 117 dB typ. Dynamic range

• 120 dB typ. S/N

I

Input interface

• 20 or 24-bit word length

• MSB ﬁrst, right-justiﬁed format

• 8 or 4 times oversampling at fs = 16/32/44.1/48/

88.2/96/176.4/192 kHz

I

System clock frequency

• 192/256/384/512/768/1024 fs

I

Single 5 V operating supply voltage

I

24-pin SSOP package

I

Molybdenum-gate CMOS process

ORDERING INFORMATION

PINOUT

(Top view)

PACKAGE DIMENSIONS

(Unit: mm)

Weight: 0.23g

24-pin SSOP

Device

Package

SM5865CM

24-pin SSOP

1

13

24

12

DVSS

DI

BCKI

WCKI

IWSL

RSTN

TSTN

AVSSA

RA

IOUTA

VBA

N.C.

AVDDA

AVDDB

TO

RB

DVDD

CKI

CKDVN

CVSS

IOUTB

VBB

N.C.

AVSSB

0.36 0.10

10.20 0.30

10.05 0.20

010

0.50 0.20

0.8

0.12 M

0.10

0.15

+ 0.10

− 0.05

Số phần tương tự - SM5865CM

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