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MAX98309/MAX98310

Mono 1.4W Class AB Audio Amplifiers

Pin Descriptions

Pin Configurations

PIN

NAME

FUNCTION

MAX98309

MAX98310

A1

A1

OUT+

Amplifier Positive Output

A2

A2

SHDN

Active-Low Shutdown Input. Connect to GND to place the IC into shutdown. Connect

to VDD for normal operation.

A3

A3

IN-

Inverting Audio Input

B1

B1

GND

Ground

B2

—

TON

Turn-On Time Selection. Connect TON to GND for a 10ms turn-on time. Connect TON

to VDD for a 100ms turn on time.

—

B2

GAIN

Gain Select Input. See Table 1 for gain settings.

B3

B3

VDD

Power Supply Input. Connect a 1FF capacitor from VDD to GND.

C1

C1

OUT-

Amplifier Negative Output

C2

C2

BIAS

Common-Mode DC Bias Bypass. Connect a 0.1FF (min) capacitor to GND.

C3

C3

IN+

Noninverting Audio Input

WLP

TOP VIEW

(BUMP SIDE DOWN)

MAX98309

1

+

2

3

B

C

A

OUT+

SHDN

IN-

GND

OUT-

BIAS

TON

VDD

IN+

WLP

TOP VIEW

(BUMP SIDE DOWN)

MAX98310

1

+

2

3

B

C

A

OUT+

SHDN

IN-

GND

OUT-

BIAS

GAIN

VDD

IN+