SM588

× series

NIPPON PRECISION CIRCUITS—3

BLOCK DIAGRAM

PIN DESCRIPTION

Number

Name

I/O

Description

1

DATA

I

Serial data input

2

1.

3-wire type

I

Bit clock input

2.

2-wire type with built-in deemphasis filter

I

Deemphasis ON/OFF control (44.1 kHz, ON when HIGH)

3

LRCI

I

Sample rate (fs) clock input. Left-channel input when HIGH, and right-channel input when LOW.

4

CLK

I

External clock input

5

RO

O

Right-channel analog output

6

VSS

–

Ground

7

VDD

–

Supply

8

LO

O

Left-channel analog output

Filter & attenuation

operation block

Noise shaper

operation block

Input interface

+

−

+

−

Timing

control

LRCI

DATA

BCKI*

LO

VSS

RO

CLK

DEEM**

LR

LR

VDD

9 Level

DEM DAC

9 Level

DEM DAC

9 Level

DEM DAC

9 Level

DEM DAC

* : Not available for 2-wire input type

** : Not available for 3-wire input type