TDA1557Q 查看數據表（PDF） - Philips Electronics
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TDA1557Q Datasheet PDF : 10 Pages
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Philips Semiconductors
2 x 22 W BTL stereo car radio power
amplifier with speaker protection
Product specification
TDA1557Q
handbook, full pagewidth
1
input 1
30 kΩ
mute switch CM
VA
183 Ω
18.1 kΩ
mute switch CM
VA
POWER
STAGE
POWER
STAGE
3
10
VP
4
output 1A
6
output 1B
input
12
reference
voltage
13
input 2
30 kΩ
183 Ω
18.1 kΩ
VP
stand-by
switch
VA
15 kΩ
x1
TDA1557Q
stand-by
reference
voltage
mute
switch
15 kΩ
mute
reference
voltage
mute switch CM
POWER
STAGE
VA
183
18.1 kΩ
Ω
mute switch CM
POWER
STAGE
11
mute/stand-by
loudspeaker
protection
9
output 2B
input
reference
voltage
183
Ω
2
signal ground
VA
18.1 kΩ
Fig.1 Block diagram.
7
output 2A
5
8
power ground
MCD324 - 1
May 1992
3
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