CPC7581_1 Datasheet, PDF (7/17 Pages) Clare, Inc. – Line Card Access Switch

1.6.3 Ringing Switch, SW4
Parameter
Conditions
Symbol Minimum
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
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 μs pulse,
-
with appropriate protection in place.
Release current
-
R_ON
I_SW (on) = ±70 mA, ±80 mA
Logic input to switch output isolation
I_RINGING
R_ON
+25° C
V_SW (R_RINGING, R_LINE) = ±320 V, logic
inputs = gnd
+85° C
V_SW (R_RINGING, R_LINE) = ±330 V, logic
inputs = gnd
I_SW
-
-40° C
V_SW (R_RINGING, R_LINE) = ±310 V, logic
inputs = gnd
dv/dt sensitivity
-
-
*Secondary protection and ringing source current limiting must prevent exceeding this parameter.
Typical
0.05
0.1
0.05
1.5
0.1
-
-
300
10
0.1
0.3
0.1
200
CPC7581
Maximum
Unit
1
μA
3
V
0.25
mA
150
mA
2
A
-
μA
15
Ω
1
μA
-
V/μs
R05
www.clare.com
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