參數(shù)資料
型號(hào): L7557
廠商: Lineage Power
英文描述: Low-Power SLICs (electronic subscriber loop interface circuits )with Battery Switch(帶電池開關(guān)的低功耗用戶環(huán)路線接口電路(SLIC))
中文描述: 低功耗SLIC組件(電子用戶環(huán)路接口電路)與電池開關(guān)(帶電池開關(guān)的低功耗用戶環(huán)路線接口電路電路(SLIC))
文件頁數(shù): 25/28頁
文件大?。?/td> 753K
代理商: L7557
Lucent Technologies Inc.
25
Data Sheet
January 2000
with Battery Switch
L7556, L7557 Low-Power SLICs
Applications
(continued)
ac Design
(continued)
Selection Criteria
(continued)
ac equivalent circuits using a T7513 Codec are shown in Figures 32 and 33.
12-2554j (F)
Figure 32. ac Equivalent Circuit Not Including Spare Op Amp
12-3013b (F)
Figure 33. ac Equivalent Circuit Including Spare Op Amp
R
P
PR 40
Z
T
R
P
PT 40
V
T/R
I
T/R
A
V
= –1
A
V
= 1
–0.125 V/mA
R
T1
R
RCV
R
HB1
R
T2
VITR
RCVN
RCVP
R
X
VGSX
VF
X
IN
VF
X
IP
VFR
(PWROP)
T7513 CODEC
V
S
Z
T/R
A
V
= 4
R
G
+
+
+
+
SLIC
R
P
PR 40
Z
T
R
P
PT 40
V
T/R
I
T/R
A
V
= –1
A
V
= 1
–0.125 V/mA
R
T3
R
RCV
R
HB1
R
T6
VITR
RCVN
RCVP
R
X
VGSX
VF
X
IN
VF
X
IP
VFR
(PWROP)
T7513 CODEC
V
S
Z
T/R
A
V
= 4
R
GN
+
+
+
+
+
XMT
AGND
R
T4
Z
T5
SN
SLIC
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