TEA1081 データシートの表示（PDF） - Philips Electronics
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TEA1081 Datasheet PDF : 16 Pages
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Philips Semiconductors
Supply circuit with power-down for
telephone set peripherals
BLOCK DIAGRAM
Product specification
TEA1081
handbook, full pagewidth
LN
1 RS
5
IF
3
AD
2
VN
0.5 V
A1
TR1
TR2
A2
POWER-
DOWN
7
QS
8
SP
4
PD
1/2 V O
A3
TEA1081
REFERENCE
CURRENT
6
VA
MLC166
PINNING
SYMBOL
LN
VN
AD
PD
IF
VA
QS
SP
Fig.1 Block diagram.
PIN
DESCRIPTION
1
positive line terminal
2
negative line terminal
3
amplifier decoupling
4
power-down input
5
low-pass filter input
6
output voltage adjustment
7
power supply output
8
supply input; power-down circuit
page
LN 1
8 SP
VN 2
AD 3
TEA1081
7 QS
6 VA
PD 4
5 IF
MLC167
Fig.2 Pin configuration.
September 1994
3
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