參數(shù)資料
型號: L9215A
英文描述: CAP CER 2200PF 3.15KVDC R3 RAD
中文描述: 短回路正弦波振鈴用戶接口
文件頁數(shù): 7/50頁
文件大?。?/td> 1115K
代理商: L9215A
Data Sheet
September 2001
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Agere Systems Inc.
7
Architecture Diagram
12-3530.g (F)
Figure 1. Architecture Diagram
V
REF
VITR
TXI
ITR
VTX
PT
PR
ICM
TRGDET
CF2
OVH
CF1
FB2
FB1
POWER
AGND
V
CC
BGND
V
BAT2
V
BAT1
V
PROG
NSTAT
RTFLT
DCOUT
1.5 V
BAND-GAP
REFERENCE
AAC
B = 20
OUT
AX
(ITR/306)
TIP/RING
CURRENT
SENSE
+1
ITR
ITR
RFT
18
RFR
18
V
REG
–1
V
REG
RINGING
27.5x
PPM
2x
PARALLEL
DATA
INTERFACE
RING
IN
PPM
IN
BR
B0
B1
B2
X1
X1
RCVN
RCVP
CURRENT
LIMIT
AND
INRUSH
CONTROL
RING
TRIP
LOOP
CLOSURE
RECTIFIER
VITR
COMMON-
MODE
CURRENT
DETECTOR
V
REF
+
9215A GAIN = 4
+
+
+
GAIN
9215G GAIN = 1
ac INTERFACE
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