µPC7073
Parameter
Loop detection operating
resistance (during normal
transmission)
Loop detection non-operating
resistance (during normal
transmission)
Loop detection operating
resistance (during on-hook
transmission)
Loop detection non-operating
resistance (during on-hook
transmission)
Loop release non-operating
resistance
Loop release operating
resistance
Ground detection 1 (C/O)
operating resistance
Ground detection 1 (C/O)
non-operating resistance
Ground-fault/power line
contact detection
operating resistance
Ground-fault/power line
contact detection non-
operating resistance
Ground-fault/power line
contact release non-
operating resistance
Ground-fault/power line
contact release operating
resistance
Symbol
RON1
Conditions
Includes termination
resistance
200 Ω feed
400 Ω feed
MIN.
200 Ω feed
400 Ω feed
3900
3500
RON2
Includes termination
resistance
200 Ω feed
400 Ω feed
200 Ω feed
400 Ω feed
2840
2440
RON3
RON4
Includes termination
resistance
200 Ω feed
400 Ω feed
200 Ω feed
400 Ω feed
Includes termination resistance
4540
4140
20
RON6
RON7
Includes termination
resistance
Off-hook stage
Includes termination
resistance
ILMAX = 45/76 mA
ILMAX = 35 mA
ILMAX = 45/76 mA
ILMAX = 35 mA
Includes termination resistance
870
1130
10
Note The above values are resistance-converted values.
TYP.
MAX.
2500
2100
1900
1500
2960
2560
5.2
340
480
1.4
Units
Ω
Ω
Ω
kΩ
Ω
Ω
kΩ
11