Aeroflex Circuit Technology

SCD4418 REV B 10/18/99 Plainview NY (516) 694-6700

4

Electrical Characteristics, Receiver Section

Parameter

Condition

Symbol

Min

Typ

Max

Unit

Differential Input Impedance

f = 1MHz

20K

100K

W

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 "0" inhibits output)

"0" Input Current

-

-0.2

-0.4

mA

"1" Input Current

-

-1.0

+40

µA

"0" Input Voltage

-

-

0.7

V

"1" Input Voltage

2.0

-

-

V

Strobe Delay (turn-on or turn-off)

Note 1

-

-

150

nS

Threshold Characteristics (Sinewave input)

Internal Threshold Voltage (referred to the

bus) pins 6 and 11 grounded

100KHz-

1MHz

0.60

0.8

1.05

V p-p

External threshold control (pins 6 &11 open,

resistors from pin 5 and 12 to ground)

Max R =

10K

Ω

-

4000

-

Ω / V p-p

Output Characteristics, RX DATA and RX DATA

"1" State

mA

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 (Power supplies set at +15V, -15V, +5V)

Duty Cycle

+V

-V

5V

Transmitter Standby

60mA

75mA

35mA

25% duty cycle Note 1

80mA

95mA

50% duty cycle

105mA

120mA

100% duty cycle Note 1

160mA

180mA

Recommended Power Supply Voltage Range

+V

+11.4 Volts to +15.75 Volts

-V

-11.4 Volts to -15.75 Volts

Logic

+4.5 Volts to + 5.5 Volts