LUCL9215AAU-D AGERE [Agere Systems], LUCL9215AAU-D Datasheet - Page 37
LUCL9215AAU-D
Manufacturer Part Number
LUCL9215AAU-D
Description
Short-Loop Sine Wave Ringing SLIC
Manufacturer
AGERE [Agere Systems]
Datasheet
1.LUCL9215AAU-D.pdf
(50 pages)
- Current page: 37 of 50
- Download datasheet (2Mb)
September 2001
Agere Systems Inc.
ac Applications
Design Examples
Example 1, Real Termination (continued)
FUSIBLE OR PTC
FUSIBLE OR PTC
V
Figure 23. Agere T7504 First-Generation Codec Resistive Termination; Nonmeter Pulse Application
BAT1
30
30
AGERE
383 k
23.7 k
R
L7591
80.6 k
0.1 F
C
VPROG
R
RT
R
VREF
RT
D
BAT1
RTFLT
DCOUT
PR
PT
OVH (DEFAULT OVERHEAD)
V
V
CF1
V
V
PROG
REF
0.22 F
BAT1
BAT1
(continued)
(continued)
C
0.1 F
C
F1
(I
BAT1
LIMIT
CF2
BGND V
= 25 mA)
C
0.1 F
FB1 FB2 NSTAT BR B2 B1 B0
0.1 F
F2
C
rate of battery
BAT2
reversal not
V
ramped
BAT2
BAT2
V
V
L9215A
CC
CC
0.1 F
C
CC
AGND
1.0 F
ICM
ground key
C
not used
1
RING
TRGDET
R
12 k
C
0.47 F
IN
1
2
RCVN
PPM
RCVP
VITR
used
VTX
not
ITR
TXI
IN
V
V
REF
REF
Short-Loop Sine Wave Ringing SLIC
R
26.7 k
R
17.65 k
GP
R
69.8 k
60.4 k
49.9 k
N2
T3
R
R
R
4750
RCV
C
0.1 F
T6
GX
TX
R
100 k
HB1
0.1 µF
0.1 F
C
C
C1
C2
VFXIN
100 k
R
X
V
–
+
1/4 T7504
FRO
CODEC
+2.4 V
MCLK
FSEP
GSX
ASEL
FSE
DR
DX
HIGHWAY
CLOCK
CONTROL
SYNC
AND
INPUTS
PCM
37
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