參數(shù)資料
型號: L7554
廠商: Lineage Power
英文描述: Low-Power SLIC(低功耗用戶線接口(SLIC))
中文描述: 低功耗用戶接口(低功耗用戶線接口電路(SLIC))
文件頁數(shù): 3/28頁
文件大?。?/td> 476K
代理商: L7554
Lucent Technologies Inc.
3
Data Sheet
March 1997
L7554 Low-Power SLIC
Description
(continued)
12-2569 (C)
Figure 1. Functional Diagram
B0
B1
+
+
–1 V/24 mA
+
+
+
A = 4
A = –4
POWER CONDITIONING & REFERENCE
PT
PR
dc RESISTANCE
ADJUST
DCR
V
B
I
P
C
B
A
C
ICM
RTSN
RTSP
LCTH
RING GROUND
DETECTOR
RING TRIP DETECTOR
LOOP CLOSURE DETECTOR
BATTERY FEED
STATE CONTROL
SPARE
OP AMP
DCOUT
VITR
RCVP
RCVN
XMT
SN
NLC
RGDET
NRDET
1
B2
F
F
9.6
V
TX
T
XI
0.1 μF
C
EXTERNAL
3
RECTIFIER
V
R
V
C
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