參數(shù)資料
型號(hào)： L8560
廠商： Lineage Power
英文描述： Low-Power SLIC（electronic subscriber loop interface circuits ） with Ringing(帶振鈴的低功耗用戶(hù)線(xiàn)接口（SLIC）)
中文描述： 低功耗用戶(hù)接口（電子用戶(hù)環(huán)路接口電路）與振鈴（帶振鈴的低功耗用戶(hù)線(xiàn)接口電路（SLIC））
文件頁(yè)數(shù)： 38/46頁(yè)
文件大?。?/td> 1060K
代理商： L8560
Data Sheet
April 2000
L8560 Low-Power SLIC with Ringing
38
Lucent Technologies Inc.
Applications
(continued)
ac Design
(continued)
ac equivalent circuits using a T7504 codec (V
CC
only) are shown in Figures 37 and 38. Use the following two equa-
tions for Figure 37 below:
R
STP
= 1 k
x {[R
GP
(k
) || R
RCV
(k
)]/24 (k
)}
C
STP
= 270 pF/{[R
GP
(k
) || R
RCV
(k
)]/24 (k
)}
12-2554.p (F)
Figure 37. ac Equivalent Circuit Not Including Spare Op Amp
Use the following two equations for Figure 38 below:
R
STN
= 1 k
x {[R
GN
(k
) || R
RCV
(k
)]/24 (k
)}
C
STN
= 270 pF/{[R
GN
(k
) || R
RCV
(k
)]/24 (k
)}
12-3013.j (F)
Figure 38. ac Equivalent Circuit Including Spare Op Amp
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
T3
R
RCV
R
HB1
R
T6
RCVN
RCVP
R
X
VGSX
VFXIN
VFR
1/2 T7504 CODEC
R
GP
+2.4 V
–0.400 V/mA
A
V
= 4
L8560 SLIC
VFXIP
R
STP
C
STP
+
–
Z
T5
SN
AGND
R
T5X
C
STN
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
T4
+
–
R
T3
R
RCV
R
HB1
R
T6
RCVN
RCVP
R
X
VGSX
VFXIN
VFRO
1/4 T7504 CODEC
R
GN
+2.4 V
L8560 SLIC
A
V
= 4
R
STN
XMT
VFXIP
相關(guān)PDF資料
PDF描述
L8567 SLIC for People Republic of China Applications(用于中國(guó)的用戶(hù)線(xiàn)接口（SLIC）)
L8574D Resistive Subscriber Line Interface Circuit (SLIC), Ring Relay, and Protector (SRP) for Long Loop and TR-57 Applications(長(zhǎng)環(huán)路和TR-57應(yīng)用的電阻性用戶(hù)線(xiàn)接口，振鈴繼電器和保護(hù)器)
L8575 Dual-Resistive, Low-Cost Subscriber Line Interface Circuit (SLIC)(雙電阻、低價(jià)格用戶(hù)線(xiàn)接口)
L8576B Dual Ringing SLIC(雙通道振鈴用戶(hù)環(huán)路接口（SLIC）)
L8581 Line Test,Tip/Ring, Line Card Access Switches(線(xiàn)測(cè)試，振鈴，線(xiàn)卡存取開(kāi)關(guān))
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