LM4862(2014) 查看數據表（PDF） - Unisonic Technologies

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LM4862
(Rev.:2014)

AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE

Unisonic Technologies 

LM4862

 PIN CONFIGURATION

CMOS IC

SHUTDOWN 1

BYPASS 2

IN+ 3

IN- 4

8 VO2

7 GND

6 VDD

5 VO1

 PIN DESCRIPTION

PIN NO

1

2

3

4

5

6

7

8

PIN NAME

SHUTDOWN

BYPASS

IN+

IN-

VO1

VDD

GND

VO2

 BLOCK DIAGRAM

DESCRIPTION

Shutdown mode control input, high active

Connect to internal voltage divider for middle supply bias

Non-inverting power input pin

Inverting power input pin

Output power pin 1

Power supply

Ground

Output power pin 2

Ri 20kΩ

Ci 0.39µF

Audio Input

CB

1.0µF

VDD

RF 20kΩ

6

4 -IN

3 +IN

100kΩ

-

+

+

CS 1.0µF

5

VO1

40kΩ

2 Bypass

VDD /2

40kΩ

-

AV=-1

+

VO2 8

RL 8Ω

VDD

RPU

NC

Bias

100kΩ

1 Shutdown

7 GND

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

2 of 4

QW-R502-314.C

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