am79m576a Advanced Micro Devices, am79m576a Datasheet - Page 12

• Manufacturer Part Number: am79m576a
• Description: Metering Subscriber Line Interface Circuit
• Manufacturer: Advanced Micro Devices

DC FEED CHARACTERISTICS
12
Notes:
1. Constant-resistance read region:
2. Anti-sat (battery-tracking) turn-on:
3. Open Circuit voltage:
4. Anti-sat (battery-tracking) region:
5. Current limit:
R
DC
= 37.5 k
3
V
V
4
BAT
BAT
= 50 V
= 47.3 V
a. V
V
V
V
V
V
I
L
AB
AB
AB
AB
AB
A
=
–V
=
=
=
=
=
1724
----------- -
R
B
DC
Am79M576A Data Sheet
49.6 I
0.8975 V
0.7915 V
49.6 V
0.7915 V
(V
AB
2
–
) Voltage vs. Loop Current (Typical)
,
L
BAT
BAT
BAT
------------ -
49.87
R
DC
–
–
–
6.835
0.113
0.113
,
–
I
L
R
---------- -
815
DC
1
V
V
BAT
BAT
62.8 V
62.8 V
Active state
OHT state
5