參數(shù)資料
型號(hào): LUCL8560FAU-DT
英文描述: Low-Power SLIC with Ringing
中文描述: 低功耗振鈴用戶(hù)接口
文件頁(yè)數(shù): 34/46頁(yè)
文件大?。?/td> 842K
代理商: LUCL8560FAU-DT
Data Sheet
April 2000
L8560 Low-Power SLIC with Ringing
34
Lucent Technologies Inc.
Applications
(continued)
Design Considerations
(continued)
12-3550 (F)
* Required for L8560A/L8560C version only.
Notes:
T
X
= 0 dB.
R
X
= 0 dB.
Termination = 600
.
Hybrid balance = 600
.
Figure 35. Basic Loop Start Application Circuit Using T7504 Codec and Bused Ringing
R
PROG
14 k
R
LCTH
8.25 k
TIP
R
PT
50
RINGR
PR
L7581
RELAY
TIP
V
BAT1
C
BAT1
0.1
μ
F
V
BAT1
V
BAT2
C
BAT2
0.1
μ
F
V
BAT2
C
CC
0.1
μ
F
V
CC
V
CC
RCVN
DCOUT
LCTH
50
RING
RTSP
R
TS1
402
C
0.27
μ
F
RTSN
CF2
R
274 k
R
2.0 M
V
RING
V
BAT
CF1
C
F1
0.47
μ
F
AGND
BGND
I
PROG
VITR
RCVP
R
T3
174 k
R
RCV
100 k
R
T6
49.9 k
R
HB1
75.0 k
VFXIN
R
X
75.0 k
GSX
V
FRO
DX
DR
FSE
FSEP
MCLK
ASEL
1/4 T7504
CODEC
CONTROL
INPUTS
PCM
HIGHWAY
SYNC
AND
CLOCK
+
L8560
SLIC
B1
B0
CONTROL
INPUTS
NSTAT
SUPERVISION
OUTPUTS
C
RTS1
0.022
μ
F
TXI
V
TX
C
B2
0.1
μ
F
R
TSP
2.0 M
C
F2
0.1
μ
F
R
4.32 k
TG
BS1
BS2
C
BS
0.22
μ
F
+2.4 V
C
C1
0.1
μ
F
C
C2
0.1
μ
F
R
29.4 k
R
GP
41.2 k
100
C
ST
0.1
μ
F
C
220 pF
R
1.21 k
C
TG
27 pF*
R
ST
CROWBAR
PROTECTOR
CROWBAR
PROTECTOR
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