I
NTEGRATED
C
IRCUITS
D
IVISION
CPC7593
R05 www.ixysic.com 7
1.6.3 Ringing Switch, SW4
Parameter Test Conditions Symbol Minimum Typical Maximum Unit
Off-State
Leakage Current
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
I
SW
-
0.05
1 A
+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 Resistance
I
SW
(on) = ±70 mA, ±80 mA R
ON
-1015
On Voltage
I
SW
(on) = ± 1 mA V
ON
-1.53 V
On-State
Leakage Current
Inputs set for ringing -Measure ringing
generator current to ground.
I
RINGING
- 0.1 0.25 mA
Steady-State Current* Inputs set for ringing mode.
I
SW
--150mA
Surge Current*
Ringing switches on, all other switches
off. Apply ±1 kV 10x1000 s pulse with
appropriate protection in place.
I
SW
--2A
Release Current SW4 transition from on to off.
I
RINGING
-450- A
Logic input to switch
output isolation
Logic inputs = GND
+25° C, V
SW
(R
RINGING
, R
LINE
) = ±320V
I
SW
-
0.1
1 A
+85° C, V
SW
(R
RINGING
, R
LINE
) = ±330V
0.3
-40° C, V
SW
(R
RINGING
, R
LINE
) = ±310V
0.1
dV/dt sensitivity
100V
PP
Square Wave, 100Hz
(Not production tested - limits are
guaranteed by design and quality
control sampling audits.)
--500-V/s
*Secondary protection and current limiting must prevent exceeding this parameter.
