LUCL9312AP-D AGERE [Agere Systems], LUCL9312AP-D Datasheet - Page 36

• Manufacturer Part Number: LUCL9312AP-D
• Description: Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications
• Manufacturer: AGERE [Agere Systems]

Forward Battery SLIC and Ringing Relay for TR-57 Applications
ac Applications
First-Generation Codec ac Interface Network: Resistive Termination
Example 1, Real Termination (continued)
Notes:
Termination impedance = 600
Hybrid balance = 600
Tx = 0 dBm.
Rx = 0 dBm.
36
FUSIBLE
FUSIBLE
OR PTC
OR PTC
50
50
V
BAT
RINGING
SOURCE
Figure 15. Agere T7504 First-Generation Codec Resistive Termination, Single Battery Operation
SECONDARY
SECONDARY
180 V—330 V
PROTECTOR
100 V—130 V
PROTECTOR
400
86.7 k
1 M
R
R
R
23.2 k
R
RTF
G1
VPROG
R
59 k
VREF
LCTH
0.1 F
C
RTI
0.015 F
C
F2
PT
T
R
RSW
RTS
PR
LCTH (10 mA)
OVH (5.5 V
V
V
V
(continued)
CF2
RING
PROG
PROG
REF
RING
V
PWR
BAT2
CF1
(I
(I
/
MICROPROCESSOR
LIMIT
LIMIT
V
V
MULTIPLEXED
BAT1
OH
B2
BAT1
DATA BUS
= 25 mA)
= 25 mA)
TO/FROM
C
0.1 F
)
VBAT1
B1
BGND
B0
(GAIN OF 8)
L9312
V
CC
V
NSTAT
CC
0.1 F
C
MICROPROCESSOR
CC
AGND
PER-LINE
TO/FROM
RESET
A
V
V
DD
DD
0.1 F
LATCH
C
DD
DGND
RCVN
RCVP
VITR
LCF
D
VTX
ITR
TXI
R
43.2 k
V
GP
REF
R
6.34 k
0.15 F
R
140 k
100 k
GX
T3
C
R
49.9 k
TX
RCV
R
T6
V
REF
R
100 k
R
28.3 k
0.33 F
0.1 F
HB1
(continued)
GN
C
C
C2
C1
VFXIN
100 k
V
R
FRO
X
–
+
1/4 T7504
Agere Systems Inc.
+2.4 V
CODEC
MCLK
FSEP
ASEL
FSE
GSX
DX
DR
July 2001
PCM
HIGHWAY
SYNC
AND
CLOCK
CONTROL
INPUTS
12-3521h (F)