LC75343 查看數據表（PDF） - SANYO -> Panasonic

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产品描述 (功能)

生产厂家

LC75343

Electronic Volume Control System on-Chip

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

Pin Name

LC75343M

Function

• Connect a capacitor of a few tens of µF between Vref and

19

Vref

AVSS (VSS) as a analog ground 0.5 × VDD voltage

generator, current ripple countermeasure.

3

VSS

• Ground pin

35

VDD

• Power supply pin

• Chip enable pin

2

CE

Data is written to the internal latch and the analog switches

are operated when the level changes from high to low.

Data transfer is enabled when the level is high.

1

DI

• Serial data pins and clock input pin for control

36

CL

• General-purpose op-amp specifications

Non-inverted input pins of general-purpose op-amp

When not used, leave open.

6

LINP

• ATT control specifications

32

RINP

Non-inverted input pins for ATT.

• 3-band specifications

Non-inverted input pins for ATT.

Always leave these pins open.

• General-purpose op-amp specifications

Non-inverted input pins of general-purpose op-amp.

When not used, connect these pins to the L(R) OPOUT pins.

(Connected between pin 5 and pin 4)

(Connected between pin 33 and pin 34)

• ATT control specifications

5

LINM

33

RINM

Op-amp inverted input pins for ATT.

Connected to L(R) OPOUT pins.

(Connected between pin 5 and pin 4)

(Connected between pin 33 and pin 34)

• 3-band specifications

Inverted input pins of ATT op-amp.

Connected to L(R) OPOUT pins.

(Connected between pin 5 and pin 4)

(Connected between pin 33 and pin 34)

• General-purpose op-amp specifications

General-purpose op-amp output pins.

When not used, connect these pins to the L(R) INM pins.

(Connected between pin 5 and pin 4)

(Connected between pin 33 and pin 34)

• ATT control specifications

4

LOPOUT

34

ROPOUT

Op-amp output pins for ATT.

Connected to L(R) INM pins.

(Connected between pin 5 and pin 4)

(Connected between pin 33 and pin 34)

• 3-band specifications

ATT op-amp output pins.

(Connected to L(R) INM pins.

(Connected between pin 5 and pin 4)

(Connected between pin 33 and pin 34)

Equivalent circuit

VDD

Vref

VDD

VDD

INP

Vref

VDD

INM

VDD

OPOUT

No. 6867-14/28

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