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CPC7584BC

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
CPC7584
Rev. B www.clare.com 7
Preliminary
1.5 Digital Input Characteristics - IN
TEST
,IN
RINGING
and LATCH Pins
1.6 Power Consumption Characteristics
On Resistance
T
LINE
= ±10 mA, ±40 mA, T
BAT
= -2 V +25°C
R
ON
-
38 -
Ω
T
LINE
= ±10 mA, ±40 mA, T
BAT
= -2 V +85°C
46 70
T
LINE
= ±10 mA, ±40 mA, T
BAT
= -2 V -40°C
28 -
DC Current Limit
V
SW
(on) = ±10 V +25°C
I
SW
- 175 -
mA
V
SW
(on) = ±10 V +85°C
80 110 -
V
SW
(on) = ±10 V -40°C
- 210 250
Dynamic current limit
(t = <0.5 µs)
Test switches on , ringing access switches
off, apply ±1 kV at 10/1000 µs pulse, with
appropriate secondary protection in place.
I
SW
-2.5-A
Contacts to Input Isolation
V
SW
(T
TEST
, R
TEST
) = ±320 V +25°C
logic inputs = GND
I
SW
-
0.1
1 µA
V
SW
(T
TEST
, R
TEST
) = ±330 V +85°C
logic inputs = GND
0.3
V
SW
(T
TEST
, R
TEST
) = ±310 V -40°C
logic inputs = GND
0.1
dv/dt sensitivity
Applied voltage = 100 V p-p square wave at
100 Hz
- - 200 - V/µs
Parameter Conditions Symbol Minimum Typical Maximum Unit
Input Threshold
Logic low
V
IL
--1.5
V
Logic high
V
IH
3.5 - -
Input Leakage Current
V
DD
= 5.5 V, V
BAT
= -75 V, V
IH
= 5 V I
IH
-0.11
µA
V
DD
= 5.5 V, V
BAT
= -75 V, V
IL
= 0 V I
IL
-0.11
Parameter Conditions Symbol Minimum Typical Maximum Unit
Parameter Conditions Symbol Minimum Typical Maximum Unit
V
DD
Current Consumption
V
DD
= 5 V, V
BAT
= -48V,
Talk or All-Off states.
I
DD
-1.12.0
mA
V
DD
= 5 V, V
BAT
= -48 V,
Ringing or Test states.
-1.32.0
V
BAT
Current Consumption
V
DD
= 5 V, V
BAT
= -48 V,
Any state
I
BAT
-0.110µA
Power Consumption
V
DD
= 5 V, V
BAT
= -48 V,
Talk or All-Off states.
P-
5.5 10
mW
V
DD
= 5 V, V
BAT
= -48 V,
Ringing or Test states.
6.5 10
CPC7584
8 www.clare.com Rev. B
Preliminary
1.7 Thermal Shutdown Characteristics
1.8 Protection Circuitry Electrical Specifications
Parameter Conditions Symbol Minimum Typical Maximum Unit
Activation Temperature
T
SD
=> Low
T 110 125 150 °C
Hysteresis
T
SD
=> High
∆T10 - 25°C
Parameter Conditions Symbol Minimum Typical Maximum Unit
Parameters Related to the Diodes in the Diode Bridge
Voltage drop at continuous
current (50/60 Hz)
Apply ± dc current limit of break switches
V
F
-2.13
V
Voltage drop at surge
current
Apply ± dynamic current limit of break
switches
V
F
-5-
Parameters Related to the Protection SCR
Surge current - - - - * A
Trigger current
+25°C
I
TRIG
-
60
-mA
+85°C 35
Hold current
+25°C
I
HOLD
- 100
-mA
+85°C 60 70
Gate trigger voltage
I
GATE
= I
Tr i g g e r
**
V
TBAT
or
V
RBAT
V
BAT
-4
-
V
BAT
-2
V
Reverse leakage current
V
BAT
= -48V I
VBAT
--1.0µA
On-state voltage
0.5 A, t = 0.5 ms V
TBAT
or
V
RBAT
-
-3
-V
2.0 A, t = 0.5 ms -5
*Passes GR1089 and ITU-T K.20 with appropriate protection in place.
** V
BAT
must be capable of sourcing I
TRIGGER
for the internal SCR to activate.
CPC7584
Rev. B www.clare.com 9
Preliminary
1.9 Truth Table - CPC7584xA/B
1.10 Truth Table - CPC7584xC
State
IN
RINGING
IN
Test
LATCH
TSD
1
Break
Switches
Ringing
Switches
Test
Switches
Ta l k 0 0
0
1 or Floating
On
Off Off
Ringing 1 0
Off On Off
Te s t 0 1
Off Off On
All Off 1 1
Off Off Off
Latched X X 1 Unchanged Unchanged Unchanged
All off XXX0
Off Off Off
1
If TSD = 5V, thermal shutdown is disabled. If TSD is left floating, the thermal shutdown mechanism is enabled.
State
IN
RINGING
IN
Test
LATCH
TSD
1
Break
Switches
Ringing
Switches
Test
Switches
Ta l k 0 0
0
1 or Floating
On
Off Off
Ringing 1 0
Off On Off
Test / Monitor 0 1 On
Off On
All Off 1 1
Off Off Off
Latched X X 1 Unchanged Unchanged Unchanged
All off XXX0
Off Off Off
1
If TSD = 5V, thermal shutdown is disabled. If TSD is left floating, the thermal shutdown mechanism is enabled.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

CPC7584BC

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