參數(shù)資料
型號(hào): LUCL9216GGF-DT
英文描述: Short-Loop Ringing SLIC with Ground Start
中文描述: 短環(huán)振鈴用戶接口與地面開始
文件頁(yè)數(shù): 35/48頁(yè)
文件大?。?/td> 1062K
代理商: LUCL9216GGF-DT
Preliminary Data Sheet
September 2001
Short-Loop Ringing SLIC with Ground Start
L9216A/G
Agere Systems Inc.
35
ac Applications
(continued)
Design Examples
(continued)
Example 1, Real Termination
(continued)
0586 (F)
Figure 22. ac Equivalent Circuit
Figure 23. Agere T7504 First-Generation Codec Resistive Termination
R
P
Z
T
+
R
P
V
T/R
I
T/R
V
S
Z
T/R
+
RING
A
V
= –1
A
V
= 1
VITR
CURRENT
SENSE
TIP
+
R
T1
R
RCV
R
HB1
R
T2
RCVN
RCVP
R
X
VGSX
VF
X
IN
V
FR
1/4 T7504 CODEC
R
GP
+2.4 V
–0.300 V/mA
A
V
= 4
L9216
VF
X
IP
18
18
+
+
V
BAT1
BGND V
BAT2
V
CC
AGND
ICM
RGDET
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
CF1
CF2
rate of battery
reversal not
ramped
FB1 FB2 NSTAT B2 B1 B0
C
F1
0.22
μ
F
C
F2
0.1
μ
F
RING
IN
VITR
RCVP
RCVN
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
100 k
VFXIN
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
L9216A
FUSIBLE OR PTC
V
PROG
V
REF
V
REF
R
1
12 k
C
1
1.0
μ
F
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