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參數資料
| 型號： | L9310 |
| 英文描述： | Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device |
| 中文描述： | 線路接口和線路接入電路全功能用戶接口，振鈴繼電器，測試接入設備 |
| 文件頁數： | 57/60頁 |
| 文件大小： | 1053K |
| 代理商： | L9310 |
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Data Sheet
July 2001
Full-Feature SLIC, Ringing Relay, and Test Access Device
L9310 Line Interface and Line Access Circuit
Agere Systems Inc.
57
ac Applications
(continued)
Third-Generation Codec ac Interface Network: Complex Termination
The following reference circuit shows the complete SLIC schematic for interface to the Agere T8536 third-genera-
tion. All ac parameters are programmed by the T8536. Note that this codec differentiates itself in that no external
components are required in the ac interface to provide a dc termination impedance or for stability. For illustration
purposes, 2.2 Vrms PPM injection was assumed in this example, and hybrid meter pulse rejection is used. Also,
this example illustrates the device using the battery switch with multiple battery operation and programmable over-
head, current limit, and loop closure threshold. Please see the T8535/6 data sheet for information on coefficient
programming.
12-3527f (F)
Figure 20. L9310 for Agere T8536 Third-Generation Codec Meter Pulse Application, Dual Battery
Operation, ac and dc Parameters, Fully Programmable
R
S1
FUSIBLE
OR PTC
50
C
VBAT1
0.1
F
V
BAT1
RCVN
RTS
V
PROG
LCTH
V
BAT
C
F2
0.015
μ
F
FB2
CF1
VTX
RCVP
VFROP
VFRON
T8536
VFXIN
DX0
DR0
DX1
DR1
FS
BCLK
DGND
V
DD
PCM
HIGHWAY
SYNC
AND
CLOCK
ITR
PPMOUT
C
RTS
0.1
μ
F
PPMIN
AGNDV
DD
1 M
50
R
RING
100 V—130 V
SECONDARY
PROTECTOR
FUSIBLE
OR PTC
R
RTF
400
RINGING
SOURCE
C
CC
0.1
μ
F
V
CC
C
DD
0.1
μ
F
V
DD
A
D
C
TX
0.15
μ
F
R
GX
6.34 k
C
C1
RSW
PT
V
/
PWR
T
RING
V
CC
BGND
V
BAT1
TRGDET
ICM
DGND
TXI
TXN
VITR
180 V—330 V
SECONDARY
PROTECTOR
V
REF
FB1
V
REF
TESTLEV
TESTSIG
CF2
PER-LINE
TO/FROM
MICROPROCESSOR
V
BAT2
C
VBAT2
0.1
F
C
PPM
0.01
μ
F
R
PPM
17.4 k
RAMPED
PPM
GENERATION
0.7 Vrms for
2.2 Vrms at T/R
OVH (OVERHEAD = 9.2 V for 2.2 Vrms PPM)
FROM
PROGRAMMABLE
VOLTAGE
SOURCE
RESET
SLIC0a
SLIC5a
SLIC4a
NSTAT
B1
B2
SLIC3a
SLIC2a
B3
B0
SLIC1a
CV
DD
0.1
μ
F
V
DD
L9310
(GAIN OF 2)
LCF
PR
0.33
μ
F
RESET
R
LCTH
R
CIN
20 M
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