L9214G Просмотр технического описания (PDF) - Agere -> LSI Corporation
Номер в каталоге
Компоненты Описание
производитель
L9214G Datasheet PDF : 46 Pages
| |||
Preliminary Data Sheet
October 2001
Architecture Diagram
L9214A/G
Low-Cost Ringing SLIC
IREF
VITR
TXI
ITR
VTX
PT
PR
AGND VCC BGND VBAT2 VBAT1
IPROG NSTAT
RTFLT DCOUT
POWER/BATTERY SWITCH
X20
AAC
REFERENCE
CIRCUIT
–
AX
+
(ITR/308)
VREF
CURRENT
LIMIT
AND
INRUSH
CONTROL
RING
TRIP
LOOP
CLOSURE
VTX
RECTIFIER
X1
COMMON-
MODE
CURRENT
DETECTOR
ICM
TRGDET
CF2
ITR
ITR
RFT
18 Ω
TIP/RING
CURRENT
SENSE
RFR
18 Ω
–
+
VBAT1 VBAT2
+
–
VBAT1 VBAT2
X1
ac INTERFACE
–
GAIN
+
9214A GAIN = 4
PARALLEL
DATA
INTERFACE
9214G GAIN = 1
CF1
FB2
FB1
RCVN
RCVP
B0 B1 B2 B3
Figure 1. Architecture Diagram
12-3530.C (F)
Agere Systems Inc.
7
Share Link: 