LUCL9215AAU-D AGERE [Agere Systems], LUCL9215AAU-D Datasheet - Page 43

• Manufacturer Part Number: LUCL9215AAU-D
• Description: Short-Loop Sine Wave Ringing SLIC
• Manufacturer: AGERE [Agere Systems]

September 2001
Agere Systems Inc.
ac Applications
Design Examples
Blocking Capacitors (continued)
V
BAT1
FUSIBLE
FUSIBLE
OR PTC
OR PTC
30
30
Figure 26. Agere T7504 First-Generation Codec Complex Termination; Meter Pulse Application
AGERE
0.1 F
L7591
C
383 k
RT
R
80.6 k
R
10 k
R
20 k
R
VREF
OVH
VPROG
RT
D
BAT1
RTFLT
DCOUT
PR
PT
OVH
V
V
PROG
REF
V
CF1
V
BAT1
0.22 F
BAT1
(continued)
0.1 F
C
(continued)
C
(I
LIMIT
F1
BAT1
CF2 FB1 FB2 NSTAT BR B2 B1 B0
BGND
= 25 mA)
rate of battery
C
0.1 F
0.1 F
reversal not
C
F2
ramped
BAT2
V
V
BAT2
BAT2
V
V
CC
CC
FROM/TO CONTROL
0.1 F
L9215A
C
CC
AGND
ICM
RING
ground key
not used
RING
TRGDET
0.47 F
IN
C
RING
RCVN
PPM
RCVP
VITR
VTX
ITR
TXI
IN
C
10 nF
PPM
0.5 V
Short-Loop Sine Wave Ringing SLIC
PPM
RMS
120 pF
R
V
R
127
k
47.5 k
C
REF
N1
N2
R
4750
N
C
0.1 F
GX
TX
40.6 k
R
V
54.9 k
59.0 k
R
R
49.9 k
R
REF
GP
T6
T3
RCV
R
C
TGS
GS
0.1 F
C
0.1 F
R
113 k
12 nF
C1
C
1.74 k
HB1
VFXIN
C2
115 k
R
VFRO
X
+
–
1/4 T7504
CODEC
+2.4 V
MCLK
FSEP
ASEL
FSE
GSX
DR
DX
HIGHWAY
CONTRO
INPUTS
CLOCK
PCM
SYNC
AND
43