參數(shù)資料
型號: AM7945
廠商: Advanced Micro Devices, Inc.
英文描述: Subscriber Line Interface Circuit
中文描述: 用戶線接口電路
文件頁數(shù): 12/18頁
文件大?。?/td> 157K
代理商: AM7945
12
Am7945 Data Sheet
DC FEED CHARACTERISTICS
3
1
2
V
BAT
=
51.3 V
V
BAT
=
47.3 V
4
R
DC1
+ R
DC2
= R
DC
= 18.52 k
Active state
OHT state
Notes:
1. Constant-current region:
Active state:
OHT state:
2. Anti-sat (battery tracking) turn-on:
3. Open circuit voltage:
4. Anti-sat (battery tracking) region:
I
L
R
DC
---------
=
I
L
2
3
--
R
DC
---------
=
V
AB
1.017 V
BAT
10.7
=
V
AB
1.017 V
BAT
6.3
=
V
AB
1.017 V
BAT
6.3
I
L
R
120
---------
=
a. V
A
V
B
(V
AB
) Voltage vs. Loop Current (Typical)
相關(guān)PDF資料
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AM79489 SUBSCRIBER LINE INTERFACE CIRCUIT
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