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參數資料
| 型號： | L9311 |
| 英文描述： | Line Interface and Line Access Circuit Full-Feature SLIC with High Longitudinal Balance, Ringing Relay,and GR-909 Test Access |
| 中文描述： | 線路接口和線路接入電路全功能用戶接口高縱向平衡，振鈴繼電器，和GR - 909測試訪問 |
| 文件頁數： | 46/50頁 |
| 文件大?。?/td> | 852K |
| 代理商： | L9311 |
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Data Sheet
July 2001
Ringing Relay, and GR-909 Test Access
L9311 Full-Feature SLIC with High Longitudinal Balance,
46
Agere Systems Inc.
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 this codec differentiates itself in that no external com-
ponents are required in the ac interface to provide a dc termination impedance or for stability. Also, this example
illustrates the device using the battery switch with multiple battery operation and programmable overhead, current
limit, and loop closure threshold. Please see the T8535/6 data sheet for information on coefficient programming.
12-3527g(F)
Figure 17. L9311 for Agere T8536 Third-Generation Codec, Dual Battery Operation, ac and dc Parameters,
Fully Programmable
R
S1
FUSIBLE
OR PTC
50
RCVN
RTS
V
PROG
LCTH
V
BAT
FB2
VTX
RCVP
VFROP
VFRON
T8536
VFXIN
DX0
DR0
DX1
DR1
FS
BCLK
DGND
V
DD
PCM
HIGHWAY
SYNC
AND
CLOCK
ITR
C
RTS
0.1
μ
F
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
RGDET
ICM
DGND
TXI
VITR
180 V—330 V
SECONDARY
PROTECTOR
V
REF
FB1
V
REF
TESTLEV
TESTSIG
CF2
PER-LINE
TO/FROM
MICROPROCESSOR
FROM
PROGRAMMABLE
VOLTAGE
SOURCE
LATCH
SLIC0a
SLIC5a
NSTAT
B1
B2
SLIC3a
SLIC2a
SLIC4a
B3
B0
SLIC1a
CV
DD
0.1
μ
F
V
DD
L9311
(GAIN OF 2)
LCF
PR
0.33
μ
F
RESET
C
F2
0.015
μ
F
R
VPROG
CF1
OVH
C
VBAT1
0.1
F
V
BAT1
V
BAT2
C
VBAT2
0.1
μ
F
R
CIN
20 M
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