CPC7582
R05 www.clare.com 7
1.6.3 Ringing Switch, SW4
Parameter Conditions Symbol Minimum Typical Maximum Unit
Off-state leakage current
+25° C
V
SW
(differential) = -255 V to +210 V
V
SW
(differential) = +255 V to -210 V
I
SW
-
0.05
1 μA+85° C
V
SW
(differential) = -270 V to +210 V
V
SW
(differential) = +270 V to -210 V
0.1
-40° C
V
SW
(differential) = -245 V to +210 V
V
SW
(differential) = +245 V to -210 V
0.05
On Voltage
I
SW
(on) = ± 1 mA V
SW
1.5 3 V
Ringing generator
current to ground
Ringing switches on, inputs set for
ringing mode
I
RINGING
0.1 0.25 mA
On steady-state current* Inputs set for ringing mode
I
SW
- 150 mA
Surge current*
Ringing switches on, all other switches
off, apply ±1 kV 10 x 1000 μs pulse,
with appropriate protection in place.
--2A
Release current -
I
RINGING
300 - μA
R
ON
I
SW
(on) = ±70 mA, ±80 mA R
ON
10 15 Ω
Logic input to switch output isolation
+25° C
V
SW
(R
RINGING
, R
LINE
) = ±320 V, logic
inputs = gnd
I
SW
-
0.1
1 μA+85° C
V
SW
(R
RINGING
, R
LINE
) = ±330 V, logic
inputs = gnd
0.3
-40° C
V
SW
(R
RINGING
, R
LINE
) = ±310 V, logic
inputs = gnd
0.1
dv/dt sensitivity - - 200 - V/μs
*Secondary protection and ringing source current limiting must prevent exceeding this parameter.
