TEA1081 Philips Semiconductors, TEA1081 Datasheet - Page 3

• Manufacturer Part Number: TEA1081
• Description: Supply circuit with power-down for telephone set peripherals
• Manufacturer: Philips Semiconductors

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