4-5

LOGIC INPUTS (F0, F1, F2, E0, SWC)

Input Low Voltage

-

-

0.8

V

Input High Voltage

2.0

-

-

V

Input Low Current

-20

-

-

µA

Input High Current

-

-

1

µA

LOGIC OUTPUTS (DET, ALM)

Output Low Voltage

-

.15

0.4

V

Output High Voltage

2.4

3.5

-

V

SUPPLY CURRENTS

Low Power Standby, BSEL = 1

-

3.9

6.0

mA

-

0.66

0.90

mA

Forward or Reverse, BSEL = 0

-

4.9

6.5

mA

-

1.2

2.5

mA

Forward, BSEL = 1

-

7.0

9.5

mA

-

0.9

2.0

mA

-

2.2

3.0

mA

Ringing, BSEL = 1

-

6.4

9.0

mA

-

0.3

1.0

mA

-

2.0

3.0

mA

Forward Loopback, BSEL = 0

-

10.3

13.5

mA

-

23.5

32

mA

Tip Open, BSEL = 0

-

3.8

5.5

mA

-

.3

1.0

mA

Power Denial, BSEL = 0 or 1

-

4.0

6.0

mA

-

0.22

0.5

mA

ON HOOK POWER DISSIPATION (Note 6)

Forward or Reverse

-

55

-

mW

Low Power Standby

-

85

-

mW

-

75

-

mW

-

65

-

mW

Ringing

-

250

-

mW

-

230

-

mW

-

225

-

mW

OFF HOOK POWER DISSIPATION (Note 6)

Forward or Reverse

-

305

-

mW

POWER SUPPLY REJECTION RATIO

Electrical Specifications

All AC parameters are specified at 600

Ω 2-wire terminating impedance over the frequency band of 300Hz to

3.4kHz. Protection resistors = 0

Ω.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

HC55185