CXA2560 View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXA2560

Dolby∗ B Type Noise Reduction System with Playback Equalizer Amplifier

Sony Semiconductor 

CXA2560Q

Pin

No.

Symbol

Typical pin voltage

I/O

I/O resist-

DC

AC

ance

(Ta = 25°C, VCC = 8.0V, DVCC = 5.0V)

Equivalent circuit

Description

Vcc

13 MSTC

147 853

—

— ——

13

10k

Time constant for

detecting the

music signal

interval.

0.2V

when a

signal is

14 MSOUT

detected

; DVcc

—

O

—

14

when no

signal is

detected

17 MUTESW

0.0V

147

18 TAPESW when

—

I 100kΩ 17

open

18 100k

21

21 MSSW

16 NRSW

19 DRSW

0.0V

when

—

open

147

I 100kΩ 16

19 100k

–5–

GND

Vcc

Music sensor

output.

GND

Mute function

control.

Vcc Low (open) :

Mute OFF

High: Mute ON

Playback

equalizer amplifier

control.

Low (open) : 70µs

High: 120µs

Music sensor

control.

GND Low (open) :

MS ON

High : MS OFF

Vcc Dolby NR control.

Low (open) :

NR OFF

High: NR ON

Head select

control.

Low (open) :

FORWARD

GND High: REVERSE

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