CPC7581
1.6.3 Ringing Switch, SW4
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
Off-state leakage current
V
V
(differential) = -255 V to +210 V
(differential) = +255 V to -210 V
SW
+25° C
+85° C
0.05
0.1
SW
V
V
(differential) = -270 V to +210 V
(differential) = +270 V to -210 V
SW
I
1
μA
SW
SW
V
V
(differential) = -245 V to +210 V
(differential) = +245 V to -210 V
SW
-40° C
0.05
1.5
SW
I
(on) = 1 mA
On Voltage
-
3
0.25
150
2
V
mA
mA
A
SW
Ringing generator
current to ground during
ringing
-
V
= 5 V, IN
= 0
I
0.1
DD
RINGING
RINGING
I
On steady-state current* Inputs set for ringing mode
-
-
SW
Ringing switches on, all other switches
off, apply 1 kV at 10x1000 μs pulse,
with appropriate protection in place.
Surge current*
Release current
-
I
-
300
10
-
μA
RINGING
R
I
(on) = 70 mA, 80 mA
R
15
Ω
ON
SW
ON
Logic input to switch output isolation
V
(R
SW RINGING LINE
, R ) = 320 V, logic
+25° C
+85° C
0.1
0.3
inputs = gnd
(R
V
, R ) = 330 V, logic
SW RINGING LINE
I
-
1
-
μA
SW
inputs = gnd
(R
V
, R ) = 310 V, logic
SW RINGING LINE
-40° C
0.1
inputs = gnd
dv/dt sensitivity
-
-
200
V/μs
*Secondary protection and ringing source current limiting must prevent exceeding this parameter.
R05
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