參數(shù)資料
型號: L7554
廠商: Lineage Power
英文描述: Low-Power SLIC(低功耗用戶線接口(SLIC))
中文描述: 低功耗用戶接口(低功耗用戶線接口電路(SLIC))
文件頁數(shù): 25/28頁
文件大?。?/td> 476K
代理商: L7554
Lucent Technologies Inc.
25
Data Sheet
March 1997
L7554 Low-Power SLIC
Applications
(continued)
ac Design
(continued)
ac equivalent circuits using a T7513 Codec are shown in Figures 32 and 33.
12-2554.a (C)
Figure 32. ac Equivalent Circuit Not Including Spare Op Amp
12-3013 (C)
Figure 33. ac Equivalent Circuit Including Spare Op Amp
+
+
+
R
P
PR 40
Z
T
+
V
T/R
R
P
PT 40
I
T/R
A
V
= –1
A
V
= 1
–0.4 V/mA
R
T1
R
RCV
R
HB1
R
T2
VITR
RCVN
RCVP
R
X
VGSX
VFXIN
VFXIP
VFR
(PWROP)
T7513 CODEC
ATL7554 SLIC
V
S
Z
T/R
A
V
= 4
R
G
+
R
GN
+
R
T3
R
RCV
R
HB1
R
X
VGSX
VFXIN
VFXIP
VFR
(PWROP)
T7513 CODEC
+
R
P
PR 40
Z
T
+
V
T/R
R
P
PT 40
I
T/R
A
V
= –1
A
V
= 1
–0.4 V/mA
VITR
RCVN
RCVP
V
S
Z
T/R
A
V
= 4
+
Z
T5
R
T6
XMT
SN
R
T4
AGND
L7554 SLIC
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