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
7V
Driver Input Voltage
−0.5V to +7V
Output Voltage
5.5V
Receiver Output Sink
Current
50 mA
±
10V
Receiver Input Voltage
±
12V
Differential Input Voltage
Maximum Package Power Dissipation
@
+25˚C
M Package
730 mW
N Package
1160 mW
Derate M Package
9.3 mW/˚C above +25˚C
Derate N Package
5.8 mW/˚C above +25˚C
Storage Temperature
Range
Lead Temperature
(Soldering, 4 sec.)
Maximum Junction
Temperature
−65˚C to +165˚C
+260˚C
+260˚C
+150˚C
Recommended Operating
Conditions
Supply Voltage
Temperature (T
A
)
DS8921/DS8921A
DS8921AT
Min
4.5
0
−40
Max
5.5
70
+85
Units
V
˚C
˚C
DS8921/DS8921A Electrical Characteristics
(Notes 2, 3, 4)
Symbol
RECEIVER
V
TH
V
HYST
R
IN
I
IN
V
OH
V
OL
I
SC
DRIVER
V
IH
V
IL
I
IL
I
IH
I
I
V
CL
V
OH
V
OL
I
OFF
|V
T
| – |VT |
V
T
|V
OS
– V
OS
|
I
SC
I
CC
V
CC
= MAX, V
OUT
= 0V
V
CC
= MAX, V
OUT
= Logic 0
−30
DRIVER and RECEIVER
35
mA
2.0
0.4
−150
V
CC
= MAX, V
IN
= 0.4V
V
CC
= MAX, V
IN
= 2.7V
V
CC
= MAX, V
IN
= 7.0V
V
CC
= MIN, I
IN
= −18 mA
V
CC
= MIN, I
OH
= −20 mA
V
CC
= MIN, I
OL
= +20 mA
V
CC
= 0V, V
OUT
= 5.5V
2.5
0.5
100
0.4
−40
2.0
0.8
−200
20
100
−1.5
V
V
µA
µA
µA
V
V
V
µA
V
V
V
mA
−7V
≤
V
CM
≤
+7V
−7V
≤
V
CM
≤
+7V
V
IN
= −7V, +7V
(Other Input = GND)
V
IN
= 10V
V
IN
= −10V
I
OH
= −400 µA
I
OL
= 8 mA
V
CC
= MAX, V
OUT
= 0V
−200
15
4.0
Conditions
Min
Typ
Max
+200
Units
mV
mV
kΩ
3.25
−3.25
2.5
0.5
−15
−100
mA
mA
V
V
mA
±
35
70
6.0
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