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AM7945JC Datasheet(PDF) 12 Page - Advanced Micro Devices

Part # AM7945JC
Description  Subscriber Line Interface Circuit
PDF  18 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM7945JC Datasheet(HTML) 12 Page - Advanced Micro Devices

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12
Am7945 Data Sheet
DC FEED CHARACTERISTICS
3
1
2
VBAT = –51.3 V
VBAT = –47.3 V
4
RDC1 + RDC2 = RDC = 18.52 kΩ
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
500
R
DC
----------
=
I
L
2
3
---
500
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
DC
120
----------
–
=
a. VA–VB (VAB) Voltage vs. Loop Current (Typical)



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