参数资料
型号: ATTL7554BP
英文描述: L7554 Low-Power SLIC
中文描述: L7554低功耗用户接口
文件页数: 3/28页
文件大小: 486K
代理商: ATTL7554BP
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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