LUCL9218AAR-D AGERE [Agere Systems], LUCL9218AAR-D Datasheet - Page 16

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

L9218A/G Low-Cost Line Interface
Applications
Table 10. Parts List for Loop Start Application Circuit Using T7504-Type Codec
16
Integrated Circuits
SLIC
Protector
Ringing Relay
Codec
Overvoltage Protection
R
R
Power Supply
C
C
C
C
dc Profile
R
ac Characteristics
C
C
R
R
R
R
R
R
C
R
R
C
R
R
Supervision
R
R
C
R
R
PT
PR
BAT1
CC
F1
F2
PROG
B1
B2
T1
RCV
GP
T2
X
HB1
GS
GS
GP1
N
N1
N2
LCTH
TS1
RTS1
TSN
TSP
Name
(continued)
L9218
Agere L7591
Agere L7581/2/3 or EMR
T7504
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
0.47 F, 20%, 10 V
0.47 F, 20%, 10 V
71.5 k , 1%, 1/16 W
137 k , 1%, 1/16 W
30.1 k , 1%, 1/16 W
80.6 k , 1%, 1/16 W
158 k , 1%, 1/16 W
357 k , 1%, 1/16 W
6.8 nF, 10%, 10 V
2.37 k , 1%, 1/16 W
8.06 k , 1%, 1/16 W
0.1 nF, 20%, 10 V
143 k , 1%, 1/16 W
18.2 k , 1%, 1/16 W
22.1 k , 1%, 1/16 W
402 , 5%, 2 W
0.015 F, 20%, 10 V
3.32 M , 1%, 1/16 W
2.94 M , 1%, 1/16 W
Value
Subscriber loop interface circuit (SLIC).
Secondary protection.
Switches ringing signals.
First-generation codec.
Protection resistor.
Protection resistor.
V
V
With C
With C
Sets dc loop current limit.
ac/dc separation capacitor.
ac/dc separation capacitor.
With R
With R
With R
and receive gain.
With R
With R
Sets hybrid balance.
With R
impedance matching.
With C
impedance matching.
Sets transmit gain of SLIC.
With R
With C
With R
Sets loop closure (off-hook) threshold.
Ringing source series resistor.
With R
With R
With C
BAT
CC
filter capacitor.
filter capacitor.
T1
T2
TSN
TSP
F2
F1
GP
GP
X
GS
GS
N1
N
N1
RTS1
, sets transmit gain in codec.
and R
, improves idle-channel noise.
, improves idle-channel noise.
, sets transmit gain in codec.
, provides gain shaping for termination
, provides gain shaping for termination
and R
and R
and C
, sets threshold.
and R
and R
, R
, R
TSP
TSN
N2
RCV
N2
N
, forms filter pole.
RCV
T1
, sets threshold.
high frequency compensation.
high frequency compensation.
, sets receive gain.
high frequency compensation.
, sets ac termination impedance
, sets ac termination impedance.
Function
November 2001
Agere Systems Inc.
Data Sheet