參數(shù)資料
型號(hào)： L9215G
廠商： Lineage Power
英文描述： Short-Loop Sine Wave Ringing SLIC(短環(huán)路正弦波振鈴用戶接口（SLIC）)
中文描述： 短回路正弦波振鈴用戶接口（短環(huán)路正弦波振鈴用戶接口電路（SLIC））
文件頁數(shù)： 43/46頁
文件大?。?/td> 1165K
代理商： L9215G
Advance Data Sheet
October 2000
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Lucent Technologies Inc.
43
ac Applications
(continued)
Design Examples
(continued)
Third-Generation Codec ac Interface Network—Complex Termination
The following reference circuit shows the complete SLIC schematic for interface to the Lucent T8536 third-genera-
tion codec. All ac parameters are programmed by the T8536. Note 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, 0.5 Vrms PPM injection was assumed in this example and no meter pulse rejection is used. Also, this
example illustrates the device using programmable overhead and current limit. Please see the T8535/6 data sheet
for information on coefficient programming.
12-3534.G (F)
Figure 27. Third-Generation Codec ac Interface Network; Complex Termination
V
BAT1
BGND
V
BAT2
V
CC
AGND
ICM
TRGDET
ground key
not used
C
BAT1
0.1
μ
F
C
BAT2
0.1
μ
F
C
CC
0.1
μ
F
RTFLT
DCOUT
PR
PT
OVH
V
PROG
V
REF
C
RT
0.1
μ
F
R
RT
383
k
LUCENT
L7591
50
V
BAT2
FUSIBLE OR PTC
50
CF1
CF2
rate of battery
reversal not
ramped
FB1 FB2
NSTAT BR B2 B1 B0
C
F1
0.47
μ
F
C
F2
0.1
μ
F
PPM
0.5 Vrms
C
10 nF
RING
IN
PPM
IN
VITR
RCVP
RCVN
ITR
VTX
TXI
R
4640
V
BAT1
D
BAT1
V
BAT2
V
CC
C
TX
0.1
μ
F
C
0.47
μ
F
FROM
PROGRAMMABLE
D/A VOLTAGE
SOURCE
C
C1
0.1
μ
F
PCM
HIGHWAY
DX0
DR0
DX1
DR1
FS
BCLK
DGND
V
DD
SYNC
AND
CLOCK
V
DD
VFXI
VFROP
VFRON
SLIC4a
SLIC3a
SLIC2a
SLIC1a
SLIC0a
L9215G
FROM/TO
CONTROL
B2
B1
BR
NSTAT
B0
FUSIBLE OR PTC
相關(guān)PDF資料
PDF描述
L9215A Short-Loop Sine Wave Ringing SLIC(短環(huán)路正弦波振鈴用戶接口（SLIC）)
L9216A Short-Loop Ringing SLIC with Ground Start(接地起動(dòng)的短環(huán)路振鈴用戶接口)
L9216G Short-Loop Ringing SLIC with Ground Start(接地起動(dòng)的短環(huán)路振鈴用戶接口)
L9219A Low-Cost Line Interface with Reverse Battery and Dual Current Limit(帶反相電池和雙電流限制的低價(jià)格線接口)
L9219G Low-Cost Line Interface with Reverse Battery and Dual Current Limit(帶反相電池和雙電流限制的低價(jià)格線接口)
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參數(shù)描述
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