參數(shù)資料
型號(hào): L9216A
英文描述: CAP CER 270PF 3.15KVDC R3 RAD
中文描述: 短環(huán)振鈴用戶接口與地面開始
文件頁(yè)數(shù): 7/48頁(yè)
文件大?。?/td> 1062K
代理商: L9216A
Preliminary Data Sheet
September 2001
Short-Loop Ringing SLIC with Ground Start
L9216A/G
Agere Systems Inc.
7
Architecture Diagram
12-3530.E (F)
Figure 1. Architecture Diagram
V
REF
VITR
TXI
ITR
VTX
PT
PR
ICM
RGDET
CF2
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
PARALLEL
DATA
INTERFACE
RING
IN
B0
B1
B2
X1
X1
RCVN
RCVP
CURRENT
LIMIT
AND
INRUSH
CONTROL
RING
TRIP
LOOP
CLOSURE
RECTIFIER
VTX
COMMON-
MODE
CURRENT
DETECTOR
V
REF
+
9216A GAIN = 4
+
+
+
GAIN
9216G GAIN = 1
ac INTERFACE
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