Absolute Maximum Ratings
Operating Case Temperature
Storage Case Temperature
Positive Power Supply Voltage
Receiver Differential Input
-55°C to +125°C
-65°C to +150°C
-0.3 V to +7.0 V
±10 V
Receiver Input Voltage (Common Mode)
Driver Peak Output Current
±5 V
650 mA
Total Package Power Dissipation over the Full Operating Case
Temperature Rise
2 Watt
(Note: Normal operation conditions require one
transmitter on and the other off at any given time.
Maximum Junction To Case Temperature Rise for the Hottest
Device
10°C
Thermal Resistance, Junction to Bottom of Case
5°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
"1" Input Current
"0" Input Voltage
"1" Input Voltage
VIN = 0.4 V
VIN = 2.7 V
IILD
IIHD
mA
µA
V
-0.2
1
-0.4
40
VIHD
VIHD
0.7
2.0
V
Inhibit Characteristics
IILI
mA
µA
V
-0.2
1.0
-0.4
"0" Input Current
"1" Input Current
"0" Input Voltage
"1" Input Voltage
VIN=0.4V
VIN=2.7V
IIHI
40
VILI
0.7
VIHI
V
2
Delay from TX inhibit,(0¡1) to inhibited out-
put
tDXOFF
tDXON
nS
nS
200
300
Delay from TX inhibit, (1¡0) to active output
80
2
150
10
VNOI
ZOI
Differential Output Noise, inhibit mode
Differential Output Impedance (inhibited)
mV p-p
W
Note 1
2K
Output Characteristics
Differential output level
VO
tr
RL=35 W
6.5
100
7.5
8.0
V p-p
nS
Rise And Fall Times(10% to 90% of p-p out-
put)
170
300
±90
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
VOS
mV peak
nS
RL=35 W
Delay from 50% point of TX DATA or TX
DATA input to zero crossing of differential
signal
tDTX
100
150
Note 1. Power ON/OFF, measured from 75KHz to 1MHz at Point A-A. See Figure 5
3
Aeroflex Circuit Technology
SCD4468D REV B 5/25/00 Plainview NY (516) 694-6700
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
