m65881afp Renesas Electronics Corporation., m65881afp Datasheet

m65881afp

Manufacturer Part Number

m65881afp

Description

Digital Amplifier Processor S-master Technology

Manufacturer

Renesas Electronics Corporation.

Datasheet

1.M65881AFP.pdf (23 pages)

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Download datasheet (238Kb)

M65881AFP

Digital Amplifier Processor of S-Master* Technology

Rev.1.00 2003.05.08

SYSTEM BLOCK DIAGRAM)

DESCRIPTION

The M65881AFP is a S-Master technique processor for digital amplifier enable to convert from multi liner-PCM digital input signal

to high precise switching-pulse digital output without analog processing.

The M65881AFP has built-in 24bit sampling rate converter and digital-gain-controller.

The M65881AFP enables to realize high precise ( X`tal oscillation accuracy.) full digital amplifier systems combining with power

driver IC.

FEATURES

•Built-in 24bit Sampling Rate Converter.

•Built-in L/R Independent Digital Gain Control.

•Built-in Soft Mute Function with Exponential Approximate-Curve.

•Correspondence to Output for Headphone.

APPLICATION

RECOMMENDED OPERATING CONDITIONS

Logic Block:1.8V±10%,PWM Buffer Block :3.3V±10%

MAIN SPECIFICATION

•Master Clock

•Input Signal Format:

•Input Signal Sampling Rate from 32kHz to 192kHz.

•Gain Control Function:

•Third Order

* "S-Master" is the digital amplifier technology developed by Sony Corporation. "S-Master" is a trademark of Sony Corporation.

DVD Receiver, AV Amplifier

Primary Clock: 256Fsi/512Fsi

MSB First Right Justified(16/20/24bit),MSB First Left Justified(24bit)

LSB First Right Justified(24bit),I

+30dB~- dB (0.1dB Step until -96dB, -138dB Minimum)

Input Signal Sampling Rate from 32KHz to 192KHz (24bit Maximum).

4 kinds of Digital Input Format.

DVD Audio

etc.

256fsi/512fsi

(16Fso:6bit/5bit,32Fso:5bit)

LRCK

BCK

DATA

page 1 of 23

192kHz

24bit

32kHz

S(24bit)

Secondary Clock: 1024Fso/512Fso

Clock

Converter

Sampling

Rate

MCU I/F

M65881AFP

Control

+30dB

Level

1024fso/512fso

Clock

PWM

0.8mm pitch 42pin SSOP

OUTLINE : 42P2R

Output

for Headphone

Stream

Power

Driver

Power

Driver

REJ03F0004-0100Z

Filter

2003.05.08

Rev.1.00

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