參數(shù)資料
型號: L9214A
英文描述: CAP CER 220PF 3.15KVDC R3 RAD
中文描述: 低成本振鈴用戶接口
文件頁數(shù): 7/46頁
文件大?。?/td> 790K
代理商: L9214A
Preliminary Data Sheet
October 2001
Low-Cost Ringing SLIC
L9214A/G
Agere Systems Inc.
7
Architecture Diagram
12-3530.C (F)
Figure 1. Architecture Diagram
I
REF
VITR
TXI
ITR
VTX
PT
PR
ICM
TRGDET
CF2
CF1
FB2
FB1
POWER/BATTERY SWITCH
AGND
V
CC
BGND
V
BAT2
V
BAT1
I
PROG
NSTAT
RTFLT
DCOUT
REFERENCE
CIRCUIT
AAC
X20
(ITR/308)
TIP/RING
CURRENT
SENSE
ITR
ITR
RFT
18
RFR
18
V
BAT1
PARALLEL
DATA
INTERFACE
B0
B1
B2
B3
X1
X1
RCVN
RCVP
CURRENT
LIMIT
AND
INRUSH
CONTROL
RING
TRIP
LOOP
CLOSURE
RECTIFIER
VTX
COMMON-
MODE
CURRENT
DETECTOR
+
9214A GAIN = 4
+
+
+
GAIN
AX
9214G GAIN = 1
ac INTERFACE
V
BAT2
V
BAT1
V
BAT2
V
REF
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L9219A 制造商:AGERE 制造商全稱:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and Dual Current Limit