31

Thermal Information

Maximum Supply Voltages

Uncommitted Switch Voltage . . . . . . . . . . . . . . . . . . . . . . . -110V

ESD (Human Body Model). . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V

Operating Conditions

Temperature Range

Uncommitted Switch (loop back or relay driver). . . . . . +5V to -100V

Thermal Resistance (Typical, Note 1)

PLCC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

53

(PLCC - Lead Tips Only)

Die Characteristics

Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bipolar-DI

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operationofthe

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1.

Electrical Specifications

specified at 600

Ω 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection

resistors = 0

Ω. These parameters apply generically to each product offering.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

RINGING PARAMETERS (Note 2)

VRS Input Impedance (Note 3)

480

-

-

k

Ω

Differential Ringing Gain

78

80

82

V/V

4-Wire to 2-Wire Ringing Off Isolation

Active mode, referenced to VRS input.

-

60

-

dB

2-Wire to 4-Wire Transmit Isolation

Ringing mode referenced to the differential ringing

amplitude.

-60-

dB

AC TRANSMISSION PARAMETERS (Notes 5, 6)

Receive Input Impedance (Note 3)

160

-

-

k

Ω

Transmit Output Impedance (Note 3)

--

1

Ω

4-Wire Port Overload Level

THD = 1%

3.1

3.5

-

2-Wire Port Overload Level

THD = 1%

3.1

3.5

-

2-Wire Return Loss

300Hz

≤ f < 1kHz

30

45

-

dB

1kHz

≤ f ≤ 3.4kHz

35

45

-

dB

Longitudinal Current Capability (Per Wire) (Note 3)

Test for False Detect

20

-

-

Test for False Detect, Low Power Standby

10

-

-

4-Wire to 2-Wire Insertion Loss

-0.20

0.0

+0.30

dB

2-Wire to 4-Wire Insertion Loss

-6.22

-6.02

-5.82

dB

4-Wire to 4-Wire Insertion Loss

-6.22

-6.02

-5.82

dB

Idle Channel Noise 2-Wire

C-Message

-

16

19

dBrnC

Psophometric

-

-73.5

-71

dBmp

Idle Channel Noise 4-Wire

C-Message

-

10

13

dBrnC

Psophometric

-

-79.5

-77

dBmp

DC PARAMETERS (Note 6)

Loop Current Limit Programming Range (Note 5)

Max Low Battery = -52V

15

-

45

mA

Loop Current During Low Power Standby

Forward polarity only.

18

-

26

mA

HC55180, HC55181, HC55182, HC55183, HC55184