LUCL9218AAR-D AGERE [Agere Systems], LUCL9218AAR-D Datasheet - Page 18

• Manufacturer Part Number: LUCL9218AAR-D
• Description: Low-Cost Line Interface
• Manufacturer: AGERE [Agere Systems]

L9218A/G Low-Cost Line Interface
Applications
Table 11. Parts List for Loop Start Application Circuit Using T8536-Type Codec
18
Integrated Circuits
SLIC
Protector
Ringing Relay
Codec
Overvoltage Protection
R
R
Power Supply
C
C
C
C
dc Profile
R
ac Characteristics
C
R
R
Supervision
R
R
C
R
R
PT
PR
BAT1
CC
F1
F2
PROG
B3
GP1
CIN
LCTH
TS1
RTS1
TSN
TSP
Name
(continued)
L9218
Agere L7591
Agere L7581/2/3 or EMR
T8536
50 , Fusible
50 , Fusible
0.1 F, 20%, 100 V
0.1 F, 20%, 10 V
0.47 F, 20%, 100 V
0.1 F, 20%, 100 V
35.7 k , 1%, 1/16 W
0.1 F, 20%, 10 V
8.06 k , 1%, 1/16 W
20 M , 5%, 1/16 W
22.1 k , 1%, 1/16 W
510 , 5%, 2 W
0.015 F, 20%, 10 V
3.4 M , 1%, 1/16 W
2.94 M , 1%, 1/16 W
Value
Subscriber loop interface circuit (SLIC).
Secondary protection.
Switches ringing signals.
Third-generation codec.
Protection resistor.
Protection resistor.
V
V
With C
With C
Sets dc loop current limit.
ac/dc separation capacitor.
Sets transmit gain of SLIC.
dc bias.
Sets loop closure (off-hook) threshold.
Ringing source series resistor.
With R
With R
With R
BAT
CC
filter capacitor.
filter capacitor.
TSN
TSP
TSN
F2
F1
, improves idle-channel noise.
, improves idle-channel noise.
, sets threshold.
, sets threshold.
and R
TSP
, forms second 2 Hz filter pole.
Function
November 2001
Agere Systems Inc.
Data Sheet