Datasheet
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
CC
)7V
Input Voltage (DE, RE , and DI)
5.5V
Driver Output Voltage/
Receiver Input Voltage −10V to +15V
Receiver Output Voltage (RO) 5.5V
Maximum Package Power Dissipation
@
+25˚C
M Package
(derate 5.8 mW/˚C above
+25˚C) 726 mW
Storage Temperature Range −65˚C to +150˚C
Lead Temperature (Soldering 4
sec.) 260˚C
Max Junction Temperature 150˚C
ESD Rating (HBM, 1.5 kΩ, 100
pF) ≥ 6.0 kV
Recommended Operating
Conditions
Min Max Units
Supply Voltage, V
CC
4.75 5.25 V
Bus Voltage −7 +12 V
Operating Temperature (T
A
)
DS36276 0 +70 ˚C
Electrical Characteristics (Notes 2, 4)
Over recommended Supply Voltage and Operating Temperature ranges, unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Units
DRIVER CHARACTERISTICS
V
OD
Differential Output Voltage I
O
= 0 mA (No Load) 1.5 4.8 6.0 V
V
oDO
Output Voltage I
O
= 0 mA (Output to GND) 0 6.0 V
V
oDO
Output Voltage 0 6.0 V
V
T1
Differential Output Voltage
(Termination Load)
R
L
=54Ω(485) (
Figure 1
) 1.5 2.0 5.0 V
R
L
= 100Ω (422) 2.0 2.3 5.0 V
∆V
T1
Balance of V
T1
|V
T1
|−|V
T1
|
R
L
=54Ω (Note 3) −0.2 0.07 +0.2 V
R
L
= 100Ω −0.2 0.07 +0.2 V
V
OS
Driver Common Mode
Output Voltage
R
L
=54Ω (
Figure 1
) 0 2.5 3.0 V
R
L
= 100Ω 0 2.3 3.0 V
∆V
OS
Balance of V
OS
|V
OS
|−|V
OS
|
R
L
=54Ω (Note 3) −0.2 0.08 +0.2 V
R
L
= 100Ω −0.2 0.08 +0.2 V
I
OSD
Driver Short-Circuit
Output Current
V
O
= +12V (
Figure 3
) 134 290 mA
V
O
=V
CC
140 mA
V
O
= 0V −140 mA
V
O
= −7V −180 −290 mA
RECEIVER CHARACTERISTICS
V
TH
Differential Input High
Threshold Voltage (Note 5)
V
O
=V
OH
,I
O
= −0.4 mA
−7V ≤ V
CM
≤ +12V
−0.18 0 V
V
TL
Differential Input Low
Threshold Voltage (Note 5)
V
O
=V
OL
,I
O
= 8.0 mA
−7V ≤ V
CM
≤ +12V
−0.5 −0.23 V
V
HST
Hysteresis (Note 6) V
CM
=0V 50 mV
I
IN
Line Input Current
(V
CC
= 4.75V, 5.25V, 0V)
Other Input = 0V
DE=V
IH
(Note 7)
V
I
= +12V 0.7 1.0 mA
V
I
= −7V −0.5 −0.8 mA
I
OSR
Short Circuit Current V
O
= 0V RO −5.0 −30 −85 mA
I
OZ
TRI-STATE
®
Leakage Current V
O
= 0.4 to 2.4V −20 +20 µA
V
OH
Output High Voltage
(
Figure 12
)
V
ID
= 0V, I
OH
= −0.4 mA 2.5 3.5 V
V
ID
= OPEN, I
OH
= −0.4 mA 2.5 3.5 V
V
OL
Output Low Voltage
(
Figure 12
)
V
ID
= −0.5V, I
OL
= +8 mA 0.25 0.6 V
V
ID
= −0.5V, I
OL
= +16 mA 0.35 0.7 V
R
IN
Input Resistance 12 19 kΩ
DS36276
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