Aeroflex Circuit Technology

SCD4418D Rev A 9/24/97 Plainview NY (516) 694-6700

4

Electrical Characteristics, Receiver Section

Parameter

Condition

Symbol

Min

Typ

Max

Unit

Differential Input Voltage Range

40

V p-p

Input Common Mode Voltage Range

Note 1

10

V p-p

Common Mode Rejection Ratio Note 3

Note 1

CMRR

40

dB

Strobe Characteristics (Logic "O" inhibits output)

"0" Input Current

I

IL

-0.2

-0.4

mA

"1" Input Current

-1.0

+40

µA

"0" Input Voltage

0.7

V

"1" Input Voltage

2.0

V

Strobe Delay (turn-on or turn-off)

Note 1.

150

nS

Threshold Characteristics (Sinewave input )

Internal Threshold Voltage (referred to the

bus)

100KHz-

1 MHz

0.60

0.8

1.05

Output Characteristics, RX DATA and RX DATA

"1" State

2.5

3.6

V

"0" State

0.35

0.5

V

Delay, (average)from differential input zero

crossings to RX DATA and RX DATA output

50% points

Note 1

300

450

nS

Power Data

Power Supply Currents (Typical) – Per Channel – See Figure 4 (Power supplies set at +12V, -12V, +5V)

Duty Cycle

+V

-V

5V

Transmitter Standby

30mA

50mA

25mA

25% duty cycle

Note 1

50mA

70mA

50% duty cycle

75mA

95mA

100% duty cycle

Note 1

120mA

140mA

Recommended Power Supply Voltage Range

+V

+11.4 Volts to +12.6 Volts

-V

-11.4 Volts to -12.6 Volts

Logic

+4.5 Volts to + 5.5 Volts