Aeroflex Circuit Technology

SCDCT2512 REV C 8/14/01 Plainview NY (516) 694-6700

3

Electrical Characteristics (Receiver Section)

Parameter/Conditions

Symbol

Min

Typ

Max

Units

Differential input impedance

DC to 1MHz

9K

V

Differential voltage range

±20V

Vpeak

Input common mode voltage

range

±10V

Vpeak

Common mode rejection ratio

(from point A, Figure 1)

CMMR

40

dB

Threshold characteristics

(Sine wave at 1MHz)

Note: Threshold voltages refer to point A, Figure 2.

0.8

1.1

Vp-p

Electrical Characteristics (Transmitter Section)

Parameter/Conditions

Symbol

Min

Typ

Max

Units

Differential output level at point B, Figure 1 (145 ohm load)

26

28

35

Vp-p

Rise and Fall times (10% to 90% of p-p output)

100

160

300

nS

Output offset at point A in Figure 2 (35-ohm load) 2.5us

after mid-bit crossing of

parity bit of last word of a

660us message

±20

±90

mV Vpeak

Differential output noise

10

mV pp