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CPC7691 Datasheet, PDF (7/17 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*
VSW4 (differential) = RLINE to RRINGING
All-Off state.
+25° C
VSW (differential) = -255 V to +210 V
VSW (differential) = +255 V to -210 V
+85° C
VSW (differential) = -270 V to +210 V
VSW (differential) = +270 V to -210 V
-40° C
VSW (differential) = -245 V to +210 V
VSW (differential) = +245 V to -210 V
ISW (on) = ±70 mA, ±80 mA
ISW (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.
ISW
RON
VON
IRINGING
ISW
ISW
Release Current
Logic input to switch
output isolation
Transient Immunity
SW4 transition from on to off.
Logic inputs = GND
+25°C, VSW (RRINGING, RLINE)= ±320 V
+85°C, VSW (RRINGING, RLINE)= ±330 V
-40°C, VSW (RRINGING, RLINE)= ±310 V
100VPP Square Wave, 100Hz
(Not production tested - limits are
guaranteed by design and quality
control sampling audits.)
IRINGING
ISW
dV/dt
*Secondary protection and current limiting must prevent exceeding this parameter.
Minimum
-
-
-
-
-
-
-
-
1500
Typical
0.05
0.1
0.05
10
1.5
0.1
-
-
300
0.1
0.3
0.1
2100
CPC7691
Maximum
Unit
1
μA
15
Ω
3
V
0.25
mA
150
mA
2
A
-
μA
1
μA
-
V/μs
R00E
PRELIMINARY
7