LUCL9219AAR-D AGERE [Agere Systems], LUCL9219AAR-D Datasheet - Page 17

• Manufacturer Part Number: LUCL9219AAR-D
• Description: Low-Cost Line Interface with Reverse Battery and Dual Current Limit
• Manufacturer: AGERE [Agere Systems]

Applications
A basic loop start reference circuit, using bused ringing with the L9219 SLIC and the T8536 third-generation codec,
is shown in Figure 12.
Data Sheet
November 2001
Agere Systems Inc.
RING
TIP
V
510
RING
R
TS1
V
LCAS
BAT
EMR
0.015 F
35.7 k
2.94 M
22.1 k
R
50
50
R
3.4 M
R
R
C
PROG
R
R
LCTH
PT
PR
RTS1
TSP
TSN
(continued)
Figure 12. Basic Loop Start Application Circuit Using T8536-Type Codec
L7591
18
10
20
19
7
8
LCTH
DCOUT
PT
PR
RTSP
RTSN
I
PROG
1
11
CF2
9
0.47 F
V
V
BAT
BAT
C
F1
0.1 F
12
C
CF1
BAT
0.1 F
L9219
C
SLIC
F2
4
V
V
CC
CC
AGND
16
0.1 F
C
CC
BGND
17
with Reverse Battery and Dual Current Limit
NSTAT
RCVN
RCVP
VITR
VTX
TXI
TXI
TG
B0
B1
B2
26
25
24
23
5
6
22
15
14
13
L9219A/G Low-Cost Line Interface
0.1 F
C
R
8.06 k
C
0.1 F
B1
GP1
B
R
20 M
CIN
VF
VF
VF
SLIC0a
SLIC3a
SLIC2a
SLIC4a
X
R
R
I
OP
ON
1/4 T8536
CODEC
DGND
BCLK
DX1
DX2
DR1
DR2
V
FS
DD
CONTROL
HIGHWAY
CLOCK
12-3561 (F).d
PCM
AND
C
0.1 F
VDD
17