LM4811_15 datasheet(2/9 Pages) UTC

Part #	LM4811

Description	DUAL 105mW HEADPHONE AMPLIFIER WITH DIGITAL VOLUME CONTROL

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Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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LM4811

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 9

www.unisonic.com.tw

QW-R502-560.b

PIN CONFIGURATION

1

2

3

4

56

7

8

9

10 VDD

VOUT2

VIN2

SHUTDOWN

UP/DN

GND

CLOCK

Bypass

VIN1

VOUT1

Top View



PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

1

VOUT1

Channel 1 output

2

VIN1

Channel 1 audio input

3

Bypass

Connect to internal voltage divider for middle supply bias

4

CLOCK

External clock input for the volume control

5

GND

Ground

6

UP/DN

Volume UP/DOWN control

7

SHUTDOWN

Shutdown mode control input, high active, place LM4811 into shutdown

mode, when held high

8

VIN2

Channel 2 audio input

9

VOUT2

Channel 2 output

10

VDD

Supply voltage

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