DS481TM National Semiconductor, DS481TM Datasheet - Page 2

• Manufacturer Part Number: DS481TM
• Description: IC, TXRX, RS485/422, W/SLEEP, 8SOIC
• Manufacturer: National Semiconductor

Specifications of DS481TM

• Device Type: Line Driver / Receiver
• No. Of Drivers: 1
• Supply Voltage Range: 4.75V To 5.25V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC
• Interface Type: RS422, RS485
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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V
V
∆V
V
V
∆V
V
V
I
I
V
∆V
V
V
I
R
I
I
I
I
I
Symbol
IN1
IN2
OZR
CC
CCX
OSD1
OSD2
OSR
OD1
OD2
OD3
OC
IH
IL
TH
OH
OL
IN
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Over Supply Voltage and Operating Temperature Ranges, unless otherwise specified (Notes 4, 5)
Supply Voltage (V
Enable Input Voltage
Driver Input Voltage (DI)
Driver Output Voltage (A, B)
Receiver Input Voltage (A, B)
Receiver Output Voltage (RO)
Maximum Package Power Dissipation
Derate M Package 9.5 mW/˚C above +25˚C
Maximum Package Power Dissipation
OD
OC
TH
(RE (Note 1), DE)
M Package
Differential Driver Output Voltage
Differential Driver Output Voltage
with Load
Change in Magnitude of Output
Differential Voltage
Differential Driver Output Voltage —
Full Load with Max V
Driver Common-Mode Output Voltage
Change in Magnitude of Common-Mode
Output Voltage
Input High Voltage
Input Low Voltage
Input Current
Input Current (Note 7)
DE = 0V, V
Receiver Differential Threshold Voltage
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
TRI-STATE Output Current at Receiver
Receiver Input Resistance
No-Load Supply Current (Note 8)
Sleep Mode Supply Current
Driver Short Circuit Current, V
Driver Short Circuit Current, V
Receiver Short Circuit Current
CC
CC
)
= 0V or 5.25V
Parameter
CM
O
O
−0.5V to (V
−0.5V to (V
−0.5V to (V
@
@
= HIGH
= LOW
+25˚C
+70˚C
−14V to +14V
−14V to +14V
(Note 3)
CC
CC
CC
(No Load)
R
R
R
R1 = 54Ω, R2 = 375Ω
V
R
R
(Note 6)
V
V
V
−7V ≤ V
V
I
I
0.4V ≤ V
−7V ≤ V
DE = V
CC
DE = 0V, RE (Note 1) = 0V or V
DE = GND
RE (Note 1)= V
−7V ≤ V
−7V ≤ V
V
+ 0.5V)
+ 0.5V)
+ 0.5V)
O
O
1.19W
L
L
L
TEST
L
L
IN
IN
IN
CM
O
+12V
= −4 mA, V
= 4 mA, V
= 50Ω, (RS422), Figure 1
= 27Ω, (RS485), Figure 1
= 27Ω or 50Ω (Note 6)
= 27Ω or 50Ω, Figure 1
= 27Ω or 50Ω, Figure 1
= GND
= 0V or V
= +12V
= −7V
= 0V
= −7V to +12V, Figure 2
CC
CM
IN
O
O
O
2
≤ +12V
≤ +12V
, RE (Note 1) = 0V or V
≤ +12V
≤ 2.4V
≤ +12V
Conditions
ID
CC
ID
Recommended Operating
Conditions
Storage Temperature Range
Lead Temperature Range
ESD (HBM)
= −0.2V
CC
Supply Voltage (V
Operating Free Air
Temperature (T
Bus Common Mode
Voltage
= 0.2V
M Package
(Soldering, 4 sec.)
DS481T
(Figure 14)
DS481T
DS481T
A
CC
)
CC
)
DI, DE, RE
(Note 1)
V
A, B
A, B
A, B
A, B
V
Pin
RO
RO
CC
CC
+4.75 +5.0 +5.25
Min
−40
−7
Typ
+25
−0.2
Min Typ Max Units
1.5
1.5
1.5
2.0
3.5
24
2
0
0
0
7
−65˚C to +150˚C
−100 −400
190 500
200 500
200 500
2.8
2.3
2.0
0.2
Max
70
+85
+12
−250
250
0.2
0.2
0.8
0.2
0.5
±
±
10
85
Units
5
5
5
3
2
1
+260˚C
˚C
V
V
0.76W
≥2 kV
mV
mA
mA
mA
µA
µA
µA
µA
kΩ
µA
µA
µA
|V|
|V|
V
V
V
V
V
V
V
V
V
V