SNAP01

Class AB Power Amplifier

Ver1.3

November 22, 2007

3

1. General Description

The SNAP01 is an integrated class AB mono speaker driver. The SNAP01

consist of single power supply, no switch-on/off click, high SNR ratio, power

control, single-end/differential input mode and support Gain adjusted by

2. Features

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Operation voltage：2.4V-5.5V.

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High signal-to-noise ratio.

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Low distortion.

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High slew rate.

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No switch On/Off click.

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Power off control.

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Gain adjustment.

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Large output voltage swing.

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Direct driver speaker.

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Support single-end and differential mode.

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Low standby current：1.0

μA.

3. Block Diagram

5K

VIN

-

+

O-

75K

8K

O+

OPA

+

-

OPB

8K

Clickless/Depop CKT

Vbias

VREF

Enable

CE

Power CKT

GND

VDD

5K

75K

VM