CPC7581
Table 2. Ring Return Switch, SW3
PARAMETERS
Off-state Leakage Current
+25˚C
CONDITIONS
SYMBOL
MIN
TYP
MAX
UNITS
Vsw (differential)= -320V to Gnd
Vsw (differential)= -60V to +260V
Vsw (differential)= -330V to Gnd
Vsw (differential)= -60V to +270V
Vsw (differential)= -310V to Gnd
Vsw (differential)= -60V to +250V
Isw
Isw
Isw
-
-
-
0.1
0.3
0.1
1
1
1
µA
µA
µA
+85˚C
-40˚C
dc Current Limit:
+25˚C
+85˚C
Vsw (on) = +/- 10V
Vsw (on) = +/- 10V
Vsw (on) = +/- 10V
Break switches in ON state, Ringing
access switches OFF, Apply +/- 1000V
at 10/1000ms pulse, Appropriate
secondary protection in place.
Isw
Isw
Isw
Isw
-
-
-
-
135
85
210
2.5
-
-
-
-
mA
mA
mA
A
-40˚C
Dynamic Current Limit:
(t=<0.5µs)
RDSON
+25˚C
+85˚C
-40˚C
Isw (on) = +/-0mA, +/-10mA
Isw (on) = +/-0mA, +/-10mA
Isw (on) = +/-0mA, +/-10mA
∆ V
∆ V
∆ V
-
-
-
60
85
45
-
100
-
Ω
Ω
Ω
Logic Input to Switch Output Isolation
+25˚C
+85˚C
-40˚C
Vsw (TRING, TLINE) = +/-320V
Logic Inputs = Gnd
Vsw (TRING, TLINE) = +/-330V
Logic Inputs = Gnd
Vsw (TRING, TLINE) = +/-310V
Logic Inputs = Gnd
Isw
Isw
Isw
-
-
-
0.1
0.3
0.1
1
1
1
µA
µA
µA
Table 3. Ringing Access Switch, SW4
PARAMETERS
Off-state Leakage Current
+25˚C
CONDITIONS
SYMBOL
MIN
TYP
MAX
UNITS
Vsw (differential)= -255V to +210V
Vsw (differential)= +255V to -210V
Vsw (differential)= -270V to +210V
Vsw (differential)= +270V to -210V
Vsw (differential)= -245V to +210V
Vsw (differential)= +245V to -210V
Isw
Isw
Isw
-
-
-
.05
0.1
.05
1
1
1
µA
µA
µA
+85˚C
-40˚C
ON Voltage
Ring Generator Current
During Ring
Isw (on) = +/- 1mA
Vcc = 5V, INaccess = 0
-
IR
-
-
1.5
0.1
3
0.25
V
mA
Surge Current
Release Current
RDSON
-
-
-
-
-
-
-
-
2
-
12
A
µA
Ω
300
8.5
Isw (on) = +/-70mA, +/-80mA
∆ V
Logic Input to Switch Output Isolation
+25˚C
+85˚C
-40˚C
Vsw (RRING, RLINE) = +/-320V
Logic Inputs = Gnd
Vsw (RRING, RLINE) = +/-330V
Logic Inputs = Gnd
Vsw (RRING, RLINE) = +/-310V
Logic Inputs = Gnd
Isw
Isw
Isw
-
-
-
.05
0.1
.05
1
1
1
µA
µA
µA
Rev. 2
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