CPC7594 Datasheet, PDF (7/20 Pages) Clare, Inc. – Line Card Access Switch

1.6.3 Ringing Switch, SW4
Parameter
Test Conditions
Symbol
Off-State
Leakage Current
On Resistance
On Voltage
On-State
Leakage Current
Steady-State Current*
Surge Current*
Release Current
Logic input to switch
output isolation
dv/dt sensitivity
V_SW4 (differential) = R_LINE to R_RINGING
All-Off state.
+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
-40° C
V_SW (differential) = -245 V to +210 V
V_SW (differential) = +245 V to -210 V
I_SW (on) = ±70 mA, ±80 mA
I_SW (on) = ± 1 mA
Inputs set for ringing -Measure ringing
generator current to ground.
Inputs set for ringing mode.
Ringing switches on, all other switches
off. Apply ±1 kV 10x1000 μs pulse with
appropriate protection in place.
SW4 transition from on to off.
+25° C, Logic inputs = gnd,
V_SW (R_RINGING, R_LINE) = ±320 V
+85° C, Logic inputs = gnd,
V_SW (R_RINGING, R_LINE) = ±330 V
-40° C, Logic inputs = gnd,
V_SW (R_RINGING, R_LINE) = ±310 V
-
I_SW
R_ON
V_ON
I_RINGING
I_SW
I_SW
I_RINGING
I_SW
-
*Secondary protection and current limiting must prevent exceeding this parameter.
Minimum
-
-
-
-
-
-
-
-
-
Typical
0.05
0.1
0.05
6
1.5
0.1
-
-
420
0.10
0.12
0.10
500
CPC7594
Maximum
Unit
1
μA
15
Ω
3
V
0.25
mA
150
mA
2
A
-
μA
1
μA
-
V/μs
R03
www.clare.com
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