LA74302FN Ver la hoja de datos (PDF) - SANYO -> Panasonic

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LA74302FN

Audio Interface for DSC

SANYO -> Panasonic 

LA74302FN

Table of Input/Output Forms of LA74302FN

PIN

Pin Name DC Voltage

AC Voltage

Description of Functions

1

VREFS

1.25V

Ripple removal pin

2

SP IN

1.25V

-10dBV

(EVR MAX at PB

reference input)

Speaker input pin

27 SPK OUT-

1.25V

-10dBV

(EVR MAX at PB

reference input)

Speaker negative-phase output

pin

3

EVR OUT

1.64V

-10dBV

(EVR MAX at PB

reference input)

EVR output pin

Equivalent Circuit Diagram in Pin

VCCSP(=3.0V)

50kΩ

500Ω

1

35kΩ

VCCSP(=3.0V)

400kΩ 6.8kΩ

2

27

VCCA(=3.0V)

400Ω

3

4

STANDBY H

5

LINE OUT

1.50V

-6dBV

(At PB reference

input)

STANDBY control pin

2V or more: STANDBY

* Puts all amplifiers excluding

speakers into the STANDBY

state.

LINE output pin

6

D_GND

0V

7

CS

8

CLOCK

9

DATA

GND pin for serial communication

block

CS input pin

CLOCK input pin

DATA input pin

10kΩ

4

60kΩ

VCCA(=3.0V)

5.7kΩ

5

10kΩ

VREF

7

500Ω

8

9

Continued on next page.

No.A1180-9/12

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