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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)： | 10/17頁 |
| 文件大?。?/td> | 147K |
| 代理商： | MSA180 |
10/16
MSA180
Semiconductor
Application Example for Circuits Containing the MSM6388/MSM6588 Speech Recorders
The example below shows how to connect the MSA180 with the MSM6388 or MSM6588 family
speech recording ICs using the recorders' STBY output to control operation and standby mode of the
MSA180. As voice output stops, STBY rises to the "H" level. For this reason, MODE2 is used to control
operation and standby modes of the MSA180.
Notes: 1. The diode on A
OUT
reduces pop noise.
2. This circuit makes use of the STBY output of the speech synthesizer.
3. As the voice reproduction stops, STBY outputs a "H" level to MODE2, setting the stand-
by function.
4. If MODE2 is used, MODE1 must be connected to GND.
5. Leave the BASE pin open if it is not used.
MSM6388
or MSM6588
V
DD
AOUT
GND
SP
C1
A
IN
MSA180
V
DD
BASE
MODE2
V
CC
SP
GND
MODE1
PIEZO SPEAKER
R1
CS3
(STBY)
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