CPC7582
Table 5. Additional Electrical Characteristics
Parameters
Conditions
Symbol
Min
Typ
Max
Units
Digital Input Characteristics
Input Low Voltage
Input High Voltage
-
-
-
-
Ilog
-
3.5
-
-
-
0.1
1.5
-
1
V
V
µA
Input Leakage Current (High)
V
DD = 5.5V, VBAT = -75V,
Vlog = 5V
DD = 5.5V, VBAT = -75V,
Input Leakage Current (Low)
V
Ilog
-
0.1
1
µA
Vlog = 0V
Power Requirements
Power Dissipation
VDD = 5V, VBAT = -48V,
Idle/Talk State or All Off State
Ringing State or Access State
VDD = 5V,
Idle/Talk State or All Off State
Ringing State or Access State
VBAT = -48V,
IDD, IBAT
IDD
-
-
5.5
6.5
7.5
10
mW
mW
VDD Current
VBAT Current
IDD
IDD
-
-
1.1
1.3
1.5
1.9
mA
mA
Idle/Talk State or All Off State
Ringing State or Access State
IBAT
IBAT
-
-
0.1
0.1
10
10
µA
µA
Temperature Shutdown Requirements1
Shutdown Activation Temperature
Shutdown Circuit Hysteresis
-
-
-
-
110
10
125
-
150
25
˚C
˚C
1 Temperature shutdown flag (TSD) will be high during normal operation and low during temperature shutdown state.
Table 6. Make-Before-Break Operation (Ringing to Idle/Talk Transition)
Ring
Ring
Break
Return Access Line Access
Switches Switch
Switch
4
Switches
5 & 6
Access Input TSD
State
Timing
1 & 2
3
0V
0V
5V
0V
Float
Float
Ringing
-
Open
Closed
Open
Closed
Closed
Open
Open
Make-before-break SW4 waiting for next zero current Closed
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
0V
0V
Float
Idle / Talk
Zero cross current has occurred
Closed
Open
Open
Open
Rev. 1.0
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