TEA1081 Philips Semiconductors, TEA1081 Datasheet - Page 8

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

Philips Semiconductors
Note
1. Power-down circuit supplied via external source.
APPLICATION INFORMATION
September 1994
handbook, full pagewidth
SYMBOL
Power-down input (pin 8)
V
I
8
8
Supply circuit with power-down for
telephone set peripherals
TELEPHONE
LINE
supply voltage for power-down
supply current to power-down circuit
PARAMETER
TRANSMISSION
SPEECH/
CIRCUIT
V LN
Fig.6 Application diagram.
C
68 pF
D
=
V
8
= 3 V
8
I 1
AD
PD
SP
CONDITIONS
3
4
8
C = 2.2 F
1
TEA1081
L
LN
2
VN
5
IF
6
7
QS
VA
I O
C O
R V
C =
47 pF
2
S
MIN.
V O
R = 100 k
L
TYP.
Product specification
PERIPHERAL
CIRCUITS
TEA1081
V
70
MAX.
LN
MLC171
V
UNIT
A