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6

Rev. E

CPC7583

Table 8. Additional Electrical Characteristics

PARAMETERS

CONDITIONS

SYMBOL

MIN

TYP

MAX

UNITS

Digital Input Characteristics

Input Low Voltage

-

-

-

-

1.5

V

Input High Voltage

-

-

3.5

-

-

V

Input Leakage Current (High)

VDD = 5.5V, VBAT = -75V,

Ilog

-

0.1

1

µA

Vlog = 5V

Input Leakage Current (Low)

VDD = 5.5V, VBAT = -75V,

Ilog

-

0.1

1

µA

Vlog = 0V

Power Requirements

Power Dissipation

VDD = 5V, VBAT = -48V,

Idle/Talk State or All Off State

IDD, IBAT

-

5.0

7.5

mW

Ringing State or Test State

IDD

-

6.0

10

mW

VDD Current

VDD = 5V,

Idle/Talk State or All Off State

IDD

-

1.0

1.5

mA

Ringing State or Test State

IDD

-

1.2

1.9

mA

VBAT Current

VBAT = -48V,

Idle/Talk State or All Off State

IBAT

-4

10

µA

Ringing State or Test State

IBAT

-4

10

µA

Shutdown Activation Temperature

-

-

110

125

150

oC

Shutdown Circuit Hysteresis

-

-

10

-

25

oC

Table 9. Make-Before-Break Operation (Ringing to Idle/Talk Transition)

Ring

Ring

Break

Return

Access

All Other

Switches

Switch

Switch

Test

Ring

Testin

Testout

TSD

State

Timing

1 & 2

3

4

Switches

5V

0V

0V

Float

Ringing

-

Open

Closed

Closed

Open

0V

0V

0V

Float

Make-before-break

SW4 waiting for next zero current

Closed

Open

Closed

Open

crossing to turn off. Maximum

time is 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

0V

Float

Idle / Talk

Zero cross current has occurred

Closed

Open

Open

Open