Aeroflex Circuit Technology

3

SCD4438-1 REV A 11/19/01 Plainview NY (516) 694-6700

Absolute Maximum Ratings

Operating Case Temperature

-55°C to +90°C

Storage Case Temperature

-65°C to +150°C

Positive Power Supply Voltage

-0.3 V to +7.0 V

Receiver Differential Input

±10 V

Receiver Input Voltage (Common Mode)

±5 V

Driver Peak Output Current

650 mA

Total Package Power Dissipation over the full operating case

temperature rise at 100% duty cycle

2.2 Watt

Maximum Junction to Case temperature rise

44°C

Thermal Resistance, Junction to bottom of case

20°C/W

Electrical Characteristics – Driver Section

Input Characteristics, TX DATA in or TX DATA in

Parameter

Condition

Symbol

Min

Typ

Max

Unit

"0" Input Current

-

-0.2

-0.4

mA

"1" Input Current

-

1

40

µA

"0" Input Voltage

--

0.7

V

"1" Input Voltage

2.0

-

-

V

Inhibit Characteristics

"0" Input Current

-

-0.2

-0.4

mA

"1" Input Current

-

1.0

40

µA

"0" Input Voltage

--

0.7

V

"1" Input Voltage

2-

-

V

Delay from TX inhibit, (0

-150

300

nS

Delay from TX inhibit, (1

-150

300

nS

Differential Output Noise, inhibit mode

-2

10

mV p-p

Differential Output Impedance (inhibited)

Note 1

2K

-

-

Ω

Output Characteristics

Differential output level

6.5

7.5

8.0

V p-p

Rise and Fall Times

(10% to 90% of p-p output)

100

200

300

nS

Output Offset at point A-A’ on Fig 5., 2.5 µS

after midpoint crossing of the parity bit of the

last word of a 660 µS message

-

-

±90

mV peak

Delay from 50% point of TX DATA or TX DATA

input to zero crossing of differential signal

-

150

300

nS

Note 1. Power ON/OFF, measured from 75KHz to 1MHz at Point A-A. See Figure 5