Datasheet
SN65HVD82
SLLSED6 –OCTOBER 2012
www.ti.com
ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
See Figure 1, R
L
= 60 Ω, 375 Ω on each output to –7 V to 12 V 1.5 V
Driver differential output voltage
|V
OD
| R
L
= 54 Ω (RS-485) 1.5 2 V
magnitude
R
L
= 100 Ω (RS-422) 2 2.5 V
Change in magnitude of driver
See Figure 2
Δ|V
OD
| R
L
= 54 Ω, C
L
= 50 pF –0.2 0 0.2 V
differential output voltage
Steady-state common-mode output
V
OC(SS)
Center of two 27-Ω load resistors 1 V
CC
/2 3 V
voltage
Change in differential driver output
ΔV
OC
–0.2 0 0.2 V
common-mode voltage
Peak-to-peak driver common-mode
V
OC(PP)
850 mV
output voltage
C
OD
Differential output capacitance 8 pF
Positive-going receiver differential input
V
IT+
See
(1)
–70 -20 mV
voltage threshold
Negative-going receiver differential input
V
IT–
–200 –150 See
(1)
mV
voltage threshold
Receiver differential input voltage
V
HYS
40 60 mV
threshold hysteresis (V
IT+
– V
IT–
)
V
OH
Receiver high-level output voltage I
OH
= -8 mA 2.4 V
CC
–0.3 V
V
OL
Receiver low-level output voltage I
OL
= 8 mA 0.2 0.4 V
Driver input, driver enable, and receiver
I
I
–2 2 μA
enable input current
I
OZ
Receiver output high-impedance current V
O
= 0 V or V
CC
, RE at V
CC
–10 10 µA
I
OS
Driver short-circuit output current | I
OS
| with V
A
or V
B
from –7 V to +12 V 150 mA
V
I
= 12 V 75 125
V
CC
= 4.5 to 5.5 V or V
CC
= 0 V,
I
I
Bus input current (disabled driver) μA
DE at 0 V
V
I
= –7 V –100 –40
DE = V
CC
, RE=GND,
Driver and Receiver enabled 900
No load
DE = V
CC
, RE = V
CC
,
Driver enabled, receiver disabled 650
No load
Supply current (quiescent) μA
I
CC
DE = GND, RE = GND,
Driver disabled, receiver enabled 650
No load
DE = GND, D=GND,
Driver and receiver disabled 0.4 2
RE = V
CC
, No load
Supply current (dynamic) See “TYPICAL CHARACTERISTICS” section
(1) Under any specific conditions, V
IT+
is assured to be at least V
HYS
higher than V
IT-
.
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