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MSA180

¡ Semiconductor

PIN CONFIGURATION (TOP VIEW)

8-Pin Plastic DIP or 8-Pin Plastic SOP

PIN DESCRIPTIONS

1

2

3

4

8

7

6

5

MODE2

GND

SP

MODE1

BASE

SP

Pin

Type

Description

—

Power supply pin.

3

GND

—

Ground pin.

I

Voice signal input pin.

8

MODE1

I

This pin switches the device between operation and standby modes.

1

MODE2

I

This pin switches the device between operation and standby modes.

MODE1 must be connected to GND.

7

BASE

O

This pin is connected to the base of an external transistor. If an

external transistor is not used to control system voltage, this pin must

be left open.

4

SP

O

This is a speaker output pin that provides signals with the same phase

as the input.

5SP

O

This is a speaker output pin that provides signals with an inverted

phase to the input.

Symbol