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參數(shù)資料
| 型號： | AM79C031 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Advanced Subscriber Line Interface Circuit (ASLIC) Device |
| 中文描述： | 高級用戶線接口電路（ASLIC）設(shè)備 |
| 文件頁數(shù)： | 38/48頁 |
| 文件大?。?/td> | 501K |
| 代理商： | AM79C031 |
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38
Am79213/Am79C203/031 Data Sheet
Table 10. User-Programmable Components
Z
T
is connected between the VTX and RSN pins. The fuse re-
sistors are R
F
. Z
2WIN
is the desired 2-wire AC input imped-
ance. When computing Z
T
, the internal current amplifier pole
and any external stray capacitance between VTX and RSN
must be taken into account
.
Z
RX
is connected from VRX to RSN. Z
T
is defined above, and
G
42L
is the desired receive gain.
Thermal Management Equations (Normal Active and Tip Open States)
R
TMG
is connected from TMG to VBAT and is used to reduce
power dissipation within the ASLIC device in normal Active
and Tip Open states.
Power dissipated in the thermal management resistor, R
TMG
,
during normal Active and Tip Open states
Power dissipated in the ASLIC device while in normal Active
and Tip Open states
Thermal Management equations (Polarity Reverse State)
Note: ASLIC device die temperature should not exceed 140
°
C.
Power dissipated in the ASLIC device while in the Polarity
Reverse state
Total die temperature
Thermal impedance of the 32-pin plastic leaded chip carrier
package
Z
T
63.5
Z
2WIN
2R
F
–
(
)
=
Z
RX
Z
G
42L
-----------
254
Z
Z
L
Z
T
63.5
2R
F
+
(
)
+
--------------------------------------------------------
=
R
TMG
V
------------------------------------
VOFF
–
I
LOOP
=
P
RTMG
V
-----------------------------------------------------------------------------------
VOFF
–
I
R
(
)
–
(
)
2
R
TMG
=
P
SLIC
V
BAT
I
LOOP
P
RTMG
–
R
L
I
LOOP
(
)
2
–
0.12 W
+
=
P
SLIC
V
BAT
I
LOOP
R
L
I
LOOP
(
)
2
(
)
–
0.12 W
+
=
T
SLIC
P
SLIC
θ
jA
T
AMBIENT
+
=
ThetajA
θ
jA
(
)
43
°
watt
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C031A | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Dual Subscriber Line Audio Processing Circuit (DSLAC) Devices |
| AM79C031AJC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Dual Subscriber Line Audio Processing Circuit (DSLAC) Devices |
| AM79C031AJCT | 制造商:AMD 功能描述:NEW |
| AM79C031JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Dual Subscriber Line Audio Processing Circuit (DSLAC) Devices |
| AM79C03AJC | 制造商:Advanced Micro Devices 功能描述:DATACOM, TIME SLOT ASSIGNER, 32 Pin Plastic PLCC |
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