Datasheet

60 1%W ±
V
OD
0Vor3V
_
+
–20V<V(test)<25V
DE
V
CC
A
B
D
375 1%W ±
375 1%W ±
S0301-01
V
OC
27 1%W ±
27 1%W ±
Input
A
B
V
A
V
B
V
OC(PP)
DV
OC(SS)
V
OC
C =50pF
L
±20%
D
A
B
DE
V
CC
C IncludesFixtureand
L
InstrumentationCapacitance
S0302-01
SN65HVD1785, SN65HVD1786
SN65HVD1787, SN65HVD1791
SN65HVD1792, SN65HVD1793
SLLS872H –JANUARY 2008–REVISED FEBRUARY 2010 www.ti.com
THERMAL INFORMATION
PARAMETER TEST CONDITIONS VALUE UNIT
JEDEC high-K model 138
SOIC-8
JEDEC low-K model 242
JEDEC high-K model 59
R
qJA
Junction-to-ambient thermal resistance (no airflow) DIP-8 °C/W
JEDEC low-K model 128
JEDEC high-K model 95
SOIC-14
JEDEC low-K model 168
SOIC-8 62
R
qJB
Junction-to-board thermal resistance DIP-8 39 °C/W
SOIC-14 40
SOIC-8 61
R
qJC
Junction-to-case thermal resistance DIP-8 61 °C/W
SOIC-14 44
V
CC
= 5.5 V, T
J
= 150°C, R
L
= 300 Ω,
85, 91 C
L
= 50 pF (driver), C
L
= 15 pF (receiver) 290
5-V supply, unterminated
(1)
85, 91 V
CC
= 5.5 V, T
J
= 150°C, R
L
= 100 Ω,
C
L
= 50 pF (driver), C
L
= 15 pF (receiver)
86 320
5-V supply, RS-422 load
(1)
P
D
Power dissipation mW
87
85, 91 V
CC
= 5.5 V, T
J
= 150°C, R
L
= 54 Ω, 400
C
L
= 50 pF (driver), C
L
= 15 pF (receiver)
86
5-V supply, RS-485 load
(1)
87
T
SD
Thermal-shutdown junction temperature 170 °C
(1) Driver and receiver enabled, 50% duty cycle square-wave signal at signaling rate: HVD1785, 1791 at 115 kbps, HVD1786 at 1 Mbps,
HVD1787 at 10 Mbps)
PARAMETER MEASUREMENT INFORMATION
Input generator rate is 100 kbps, 50% duty cycle, rise and fall times less than 6 nsec, output impedance 50 Ω.
Figure 1. Measurement of Driver Differential Output Voltage With Common-Mode Load
Figure 2. Measurement of Driver Differential and Common-Mode Output With RS-485 Load
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Product Folder Link(s): SN65HVD1785, SN65HVD1786 SN65HVD1787, SN65HVD1791 SN65HVD1792, SN65HVD1793