Datasheet

SN55HVD251
SN65HVD251
www.ti.com SLLS545E –NOVEMBER 2002–REVISED MARCH 2010
THERMAL CHARACTERISTICS
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
D 78.7
q
JB
Junction-to-board thermal resistance P 48.9 °C/W
DRJ 73
D 44.6
q
JC
Junction-to-case thermal resistance P 66.6 °C/W
DRJ 52
V
CC
= 5 V, Tj = 27°C, RL = 60Ω,
R
S
at 0 V, Input to D a 500-kHz 97.7 mW
50% duty cycle square wave
P
D
Device power dissipation
V
CC
= 5.5 V, Tj = 130°C, RL = 60Ω,
R
S
at 0 V, Input to D a 500-kHz 142 mW
50% duty cycle square wave
T
SD
Thermal shutdown junction temperature 165 °C
RECOMMENDED OPERATING CONDITIONS
PARAMETER MIN NOM MAX UNIT
Supply voltage, V
CC
4.5 5.5 V
Voltage at any bus terminal (separately or common mode) V
I
or V
IC
-7
(1)
12 V
High-level input voltage, V
IH
D input 0.7 V
CC
V
Low-level input voltage, V
IL
D input 0.3 V
CC
V
Differential input voltage, V
ID
-6 6 V
Input voltage to Rs, V
I(Rs)
0 V
CC
V
Input voltage at Rs for standby, V
I(Rs)
0.75 V
CC
V
CC
V
Rs wave-shaping resistance 0 100 kΩ
Driver -50
High-level output current, I
OH
mA
Receiver -4
Driver 50
Low-level output current, I
OL
mA
Receiver 4
Operating free-air temperature, T
A
SN65HVD251 -40 125
°C
SN55HVD251 –55 125
Junction temperature, T
J
145 °C
(1) The algebraic convention, in which the least positive (most negative) limit is designated as minimum is used in this data sheet.
SUPPLY CURRENT
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
Standby Rs at V
CC
, D at V
CC
275 µA
I
CC
Supply current Dominant D at 0 V, 60 Ω load, Rs at 0 V 65
mA
Recessive D at V
CC
, no load, Rs at 0 V 14
(1) All typical values are at 25°C and with a 5-V supply.
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