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参数资料
| 型号： | MSC1157 |
| 厂商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Speaker Drive Amplifier |
| 中文描述： | 扬声器驱动放大器 |
| 文件页数： | 2/14页 |
| 文件大小： | 143K |
| 代理商： | MSC1157 |
Semiconductor
MSC1157
2/13
PIN CONFIGURATION (TOP VIEW)
VR
A
IN
SP
GND
SEL
STBY
SP
V
CC
1
2
3
4
8
7
6
5
8-Pin Plastic DIP
or
8-Pin Plastic SOP
PIN DESCRIPTIONS
Symbol
Type
V
CC
GND
A
IN
Description
—
—
I
Power supply pin.
Ground pin.
Signal input pin for analog signal inputs, etc.
Digital input pins. Setting these pins configures the standby status. See the table below
for how to set the pins.
STBY,
SEL
I
VR
O
SP
SP
O
O
Speaker output pin. This pin outputs a negative phase with respect to the input signal.
Speaker output pin. This pin outputs a positive phase with respect to the input signal.
SEL
STBY
0
1
Clock
0
1
Clock
0
1
Clock
Status
Operation
Standby
Operation
Standby
Operation
Operation
Operation
Operation
0
1
Applying a clock between 32kHz and 4MHz to either the STBY or the SEL pin leads the IC
to operation status regardless of the status set at the other pin. Applying clocks to both
of the pins at the same time may cause malfunction.
Refer to the section, RECOMMENDED OPERATING CONDITIONS since clock frequencies
are changed by setting the SEL pin.
Clock
Unstable Operation
Bias output pin for internal circuits. This pin is at GND potential during standby.
Connecting a capacitor between VR and the GND pin reduces the pop-up noise at power
on and improves the ripple elimination ratio.
Pin
5
4
2
7, 8
1
3
6
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相关代理商/技术参数 |
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| MSC1157MS-K | 制造商:ROHM Semiconductor 功能描述: |
| MSC1162 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:40-Bit Vacuum Fluorescent Display Tube Grid/Anode Driver |
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