I
NTEGRATED
C
IRCUITS
D
IVISION
CPC7692
R01 www.ixysic.com 5
1.6.2 Ringing Return Switch, SW3
Parameter Test Conditions Symbol Minimum Typical Maximum Unit
Off-State
Leakage Current
V
SW3
(differential) = T
LINE
to T
RINGING
All-Off state.
+25 C,
V
SW
(differential) = -320V to gnd
V
SW
(differential) = +260V to -60V
I
SW
-
0.1
1 A
+85 C,
V
SW
(differential) = -330V to gnd
V
SW
(differential) = +270V to -60V
0.3
-40 C,
V
SW
(differential) = -310V to gnd
V
SW
(differential) = +250V to -60V
0.1
On Resistance
I
SW
(on) = ±0 mA, ±10 mA, +25 C
R
ON
-
60 -
I
SW
(on) = ±0 mA, ±10 mA, +85 C
85 100
I
SW
(on) = ±0 mA, ±10 mA, -40 C
45 -
Low Frequency Current
Limit
V
SW
(on) = ± 10V, +25 C
I
SW
- 135
-mA
V
SW
(on) = ± 10V, +85 C
70 85
V
SW
(on) = ± 10V, -40 C
- 210
High Frequency
Dynamic Current Limit
(t 0.5 s)
Ringing switches on, all other switches
off. Apply ±1kV 10x1000 s pulse with
appropriate protection in place.
I
SW
-2.5- A
Switch Outputs to Logic
Input Isolation
+25 C, Logic inputs = gnd,
V
SW
(T
RINGING
, T
LINE
) = ±320V
I
SW
-
0.1
1 A
+85 C, Logic inputs = gnd,
V
SW
(T
RINGING
, T
LINE
) = ±330V
0.3
-40 C, Logic inputs = gnd,
V
SW
(T
RINGING
, T
LINE
) = ±310V
0.1
Transient Immunity
100V
PP
Square Wave, 100Hz
(Not production tested - limits are
guaranteed by design and quality
control sampling audits.)
dV/dt 1500 2100 - V/s
