參數(shù)資料
型號： MSA180
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： Piezo Speaker Amplifier
中文描述： 壓電揚(yáng)聲器放大器
文件頁數(shù)： 2/17頁
文件大?。?/td> 147K
代理商： MSA180
2/16
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
A
IN
GND
SP
MODE1
BASE
V
CC
SP
Pin
6
3
2
Type
—
—
I
Description
V
CC
GND
A
IN
Power supply pin.
Ground pin.
Voice signal input pin.
This pin switches the device between operation and standby modes.
The IC is in operation mode if V
IH
> 1.0 V on the MODE1 pin and is in
standby mode if V
IL
< 0.3 V on the MODE1 pin. When MODE1 is used,
MODE2 must be connected to V
CC
.
This pin switches the device between operation and standby modes.
The IC is in operation mode if V
IL
< V
CC
–1.0 V on MODE1 pin and is in
standby mode if V
IH
> V
CC
–0.3 V on MODE1 pin. When MODE2 is used
MODE1 must be connected to GND.
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.
This is a speaker output pin that provides signals with the same phase
as the input.
This is a speaker output pin that provides signals with an inverted
phase to the input.
8
MODE1
I
1
MODE2
I
7
BASE
O
4
SP
O
5
SP
O
Symbol
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