CPC7581 Datasheet, PDF (7/15 Pages) Clare, Inc. – Line Card Access Switch

INTEGRATED CIRCUITS DIVISION
CPC7581
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
+85° C
V_SW (differential) = -270 V to +210 V
V_SW (differential) = +270 V to -210 V
I_SW
-40° C
V_SW (differential) = -245 V to +210 V
V_SW (differential) = +245 V to -210 V
On Voltage
I_SW (on) = ± 1 mA
-
Ringing generator
current to ground during V_DD = 5 V, IN_RINGING = 0
ringing
-
I_RINGING
0.05
0.1
1
A
0.05
1.5
3
V
0.1
0.25
mA
On steady-state current* Inputs set for ringing mode
I_SW
Surge current*
Ringing switches on, all other switches
off, apply ±1 kV at 10x1000 s pulse,
-
with appropriate protection in place.
-
150
mA
-
2
A
Release current
-
R_ON
I_SW (on) = ±70 mA, ±80 mA
Logic input to switch output isolation
I_RINGING
R_ON
300
-
A
10
15

+25° C
V_SW (R_RINGING, R_LINE) = ±320 V, logic
0.1
inputs = gnd
+85° C
V_SW (R_RINGING, R_LINE) = ±330 V, logic
inputs = gnd
I_SW
-
0.3
1
A
-40° C
dv/dt sensitivity
V_SW (R_RINGING, R_LINE) = ±310 V, logic
inputs = gnd
-
-
0.1
200
-
V/s
*Secondary protection and ringing source current limiting must prevent exceeding this parameter.
R06
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