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： 壓電揚聲器放大器
文件頁數(shù)： 1/17頁
文件大?。?/td> 147K
代理商： MSA180
1/16
Semiconductor
MSA180
GENERAL DESCRIPTION
The MSA180 is a piezo speaker driver for OKI's speech synthesizers. Its voltage gain can be adjusted
by a factor of up to 10. The differential output provides an amplitude of twice the voltage supply.
A separate output connects to the base of an external transistor for controlling system voltage.
A standby function eliminates power loss when no input signal is present.
FEATURES
Power supply voltage
Low current consumption
Standby current
Differential output
amplitube)
Package options :
8-pin plastic DIP (DIP8-P-300-2.54) (Product name: MSA180RS)
8-pin plastic SOP (SOP8-P-250-1.27-K) (Product name: MSA180MS-K)
Chip
: 2.0 V to 6.0 V (single supply voltage)
: 4.2 mA typ (V
CC
=3 V, no load)
: <1
m
A
: Twice the supply voltage (maximum output
BLOCK DIAGRAM
V
CC
MODE1
MODE2
A
IN
GND
Logic
V
CC
V
CC
BASE
SP
SP
2.2 k
W
+
–
A
V
=20
–
A
V
=20
1.3 k
W
6.6 k
W
6.6 k
W
18 k
W
+
Piezo Speaker Amplifier
E2D0049-39-21
This version: Feb. 1999
Previous version: May. 1997
相關(guān)PDF資料
PDF描述
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