I
NTEGRATED
C
IRCUITS
D
IVISION
CPC7594
R04 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
-615
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
-0.10.25mA
Steady-State Current* Inputs set for ringing mode.
I
SW
- - 150 mA
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
- 420 - A
Logic input to switch
output isolation
+25 C, Logic inputs = gnd,
V
SW
(R
RINGING
, R
LINE
) = ±320 V
I
SW
-
0.10
1 A
+85 C, Logic inputs = gnd,
V
SW
(R
RINGING
, R
LINE
) = ±330 V
0.12
-40 C, Logic inputs = gnd,
V
SW
(R
RINGING
, R
LINE
) = ±310 V
0.10
dV/dt sensitivity - - - 500 - V/s
*Secondary protection and current limiting must prevent exceeding this parameter.
