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): 37/50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.
37
ac Applications
(continued)
Design Examples
(continued)
Example 1, Real Termination
(continued)
Figure 23. Agere T7504 First-Generation Codec Resistive Termination; Nonmeter Pulse Application
V
BAT1
BGND V
BAT2
V
CC
AGND
ICM
ground key
not used
TRGDET
C
BAT1
0.1
μ
F
C
BAT2
0.1
μ
F
C
CC
0.1
μ
F
RTFLT
DCOUT
PR
PT
V
REF
C
RT
0.1
μ
F
R
RT
383 k
AGERE
L7591
30
V
BAT1
FUSIBLE OR PTC
30
R
80.6 k
CF1
CF2
rate of battery
reversal not
ramped
FB1 FB2 NSTAT BR B2 B1 B0
C
F1
0.22
μ
F
C
F2
0.1
μ
F
RING
IN
PPM
IN
VITR
RCVP
RCVN
not
used
ITR
VTX
TXI
R
4750
V
BAT1
D
BAT1
V
BAT2
V
CC
C
TX
0.1
μ
F
C
0.47
μ
F
1/4 T7504
CODEC
R
C
0.1 μF
R
X
GSX
+2.4 V
R
HB1
VFXIN
100 k
R
60.4 k
R
69.8 k
R
GP
26.7 k
C
C2
0.1
μ
F
V
FRO
DX
DR
FSE
FSEP
MCLK
ASEL
CONTROL
INPUTS
SYNC
AND
CLOCK
PCM
HIGHWAY
R
N2
17.65 k
+
49.9 k
100 k
L9215A
V
PROG
(I
LIMIT
= 25 mA)
23.7 k
R
FUSIBLE OR PTC
OVH (DEFAULT OVERHEAD)
V
REF
V
REF
R
1
12 k
C
1
1.0
μ
F
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