CPC7582 Datasheet, PDF (5/12 Pages) Clare, Inc. – Line Card Access Switch

CPC7582
Table 5. Additional Electrical Characteristics
Parameters
Conditions
Symbol
Min
Typ
Max
Digital Input Characteristics
Input Low Voltage
-
-
-
-
1.5
Input High Voltage
-
-
3.5
-
-
Input Leakage Current (High)
Input Leakage Current (Low)
Power Requirements
V_DD = 5.5V, V_BAT = -75V,
V_log = 5V
V_DD = 5.5V, V_BAT = -75V,
V_log = 0V
I_log
-
0.1
1
I_log
-
0.1
1
Power Dissipation
V_DD = 5V, V_BAT = -48V,
Idle/Talk State or All Off State
I_DD, I_BAT
-
5.5
7.5
Ringing State or Access State
I_DD
-
6.5
10
V_DD Current
V_DD = 5V,
Idle/Talk State or All Off State
I_DD
-
1.1
1.5
Ringing State or Access State
I_DD
-
1.3
1.9
V_BAT Current
V_BAT = -48V,
Idle/Talk State or All Off State
I_BAT
-
0.1
10
Ringing State or Access State
I_BAT
-
0.1
10
Temperature Shutdown Requirements¹
Shutdown Activation Temperature
-
-
110
125
150
Shutdown Circuit Hysteresis
-
-
10
-
25
1 _{Temperature shutdown flag (TSD) will be high during normal operation and low during temperature shutdown state.}
Units
V
V
µA
µA
mW
mW
mA
mA
µA
µA
˚C
˚C
Table 6. Make-Before-Break Operation (Ringing to Idle/Talk Transition)
Access Input
0V
5V
0V
0V
TSD
Float
Float
0V
0V Float
State
Ringing
Make-before-break
Idle / Talk
Timing
Break
Switches
1&2
-
Open
SW4 waiting for next zero current
crossing to turn off. Maximum
time is one half of ringing. In this
transition state, current that is
limited to the dc break switch
current limit value will be sourced
from the ring node of the SLIC
Closed
Zero cross current has occurred Closed
Ring
Return
Switch
3
Closed
Open
Open
Ring
Access
Switch
4
Closed
Closed
Line Access
Switches
5&6
Open
Open
Open
Open
Rev. 1.0
www.clare.com
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