Absolute Maximum Ratings
Operating case temperature
Storage case temperature
Power supply voltage
V
CC
V
EE
V
L
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 +18 V
+0.3 V to-18 V
-0.3 V to +7.0 V
-0.3 V to +5.5 V
±40 V
P
-
P
±10 V
300 mA
2.5 Watts
(Note: Normal operation conditions require one
transceiver on and the other off)
10°C
4°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
IHD
V
IHD
Min
Typ
-0.1
1
Max
-0.2
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 See
Figure 5
Point B
Point C
From mid pt
inhibit to
±1.2V pt B,
See Figure 5
V
IN
= 0.4 V
V
IN
=2.7V
I
ILI
I
IHI
V
ILI
V
IHI
t
DXOFF
t
DXON
V
NOI
Z
OI
Z
OI
2K
1K
2.0
175
90
2
225
150
10
-0.1
1.0
-0.2
40
0.7
mA
µA
V
V
nS
nS
mV
P-P
Ω
Ω
Output Characteristics
Differential output level, See Figure 5
See Figure 5
Rise and fall times(10% to 90% at pt A output)
See Figure 5
Output offset, Figure 3, 2.5µS after midpoint
crossing of the parity bit of the last word of a 660µS
message See Figure 5
Delay from 50% point of TX DATA or TX DATA input
to zero crossing of differential signal. See Fig 5
Aeroflex Circuit Technology
Point A
Point A
Point A
Point A
3
V
O
t
r
V
OS
t
DXT
6
100
7.5
160
9
300
± 90
V
P-P
nS
mV peak
nS
100
200
SCD4487D REV B 3/10/98 Plainview NY (516) 694-6700
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
