Absolute Maximum Ratings
Operating case temperature
Storage case temperature
Power supply voltage
Logic input voltage
Receiver differential input
Receiver input voltage (common mode)
Driver peak output current
Total package power dissipation over the full operating
case temperature rise
Maximum junction to case temperature
Thermal resistance – junction to case
-55°C to +125°C
-65°C to +150°C
-0.3 V to +7.0 V
-0.3 V to +5.5 V
±10 V
±5 V
600 mA
2 Watts
(Note: Normal operation conditions require one transceiver on and the
other off.)
10°C
5°C/W
Electrical Characteristics — Driver Section
Input Characteristics, TX DATA in or TX DATA in (Notes 2 & 3 apply)
Parameter
"0" Input Current
"1" Input Current
"0" Input Voltage
"1" Input Voltage
Condition
V
IN
= 0.4 V
V
IN
= 2.7 V
Symbol
I
ILD
I
IHD
V
ILD
V
IHD
Min
Typ
-0.2
1
Max
-0.4
40
0.7
Unit
mA
µA
V
V
2.0
Inhibit Characteristics
"0" Input Current
"1" Input Current
"0" Input Voltage
"1" Input Voltage
Delay from TX inhibit, (0¡1) to inhibited output
Delay from TX inhibit, (1¡0) to active output
Differential output noise, inhibit mode
Differential output impedance (inhibited)
Note 1
V
IN
=0.4V
V
IN
=2.7V
I
ILI
I
IHI
V
ILI
V
IHI
t
DXOFF
t
DXON
V
NOI
Z
OI
2K
2.0
250
150
2
350
250
10
-0.2
1.0
-0.4
40
0.7
mA
µA
V
V
nS
nS
mV
P-P
Ω
Output Characteristics
Differential output level
Rise and fall times(10% to 90% of P-P output)
Output offset at point A-A' on Figure 5, 2.5µS
after midpoint crossing of the parity bit of the
last word of a 660µS message
Delay from 50% point of TX DATA or TX DATA
input to zero crossing of differential signal
R
L
=35
Ω
R
L
=35
Ω
V
O
t
r
V
OS
120
6
100
7.5
200
9
300
± 90
250
V
P-P
nS
mV peak
nS
t
DTX
Note 1. Power on or off, measured from 75KHz to 1MHz at point A-A' and transformer self impedance of 3K
Ω
minimum
Aeroflex Circuit Technology
3
SCD4458 REV A 1/29/98 Plainview NY (516) 694-6700
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
