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SN65HVD73DGSR Datasheet(PDF) 7 Page - Texas Instruments

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Part # SN65HVD73DGSR
Description  3.3-V Full-Duplex RS-485 Transceivers
Download  41 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN65HVD73DGSR Datasheet(HTML) 7 Page - Texas Instruments

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SN65HVD70, SN65HVD71, SN65HVD73, SN65HVD74, SN65HVD76, SN65HVD77
www.ti.com
SLLSEI9E – MAY 2014 – REVISED OCTOBER 2014
7.4 Thermal Information — D Packages
THERMAL METRIC
D
D
Unit
(8 PINS)
(14 PINS)
RθJA
Junction-to-ambient thermal resistance
110.7
83.3
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
54.7
42.9
RθJB
Junction-to-board thermal resistance
51.3
37.8
ψJT
Junction-to-top characterization parameter
9.2
9.3
ψJB
Junction-to-board characterization parameter
50.7
37.5
TJ(TSD)
Thermal shut-down junction temperature
170
°C
7.5 Thermal Information — DGS and DGK Packages
THERMAL METRIC
DGS
DGK
Unit
(10 PINS)
(8 PINS)
RθJA
Junction-to-ambient thermal resistance
165.5
168.7
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
37.7
62.2
RθJB
Junction-to-board thermal resistance
86.4
89.5
ψJT
Junction-to-top characterization parameter
1.4
7.4
ψJB
Junction-to-board characterization parameter
84.8
87.9
TJ(TSD)
Thermal shut-down junction temperature
170
°C
7.6 Power Dissipation
PARAMETER
TEST CONDITIONS
VALUE
UNITS
HVD70, HVD71
150
RL = 300 Ω,
Unterminated
HVD73, HVD74
180
mW
CL = 50 pF (driver)
Power Dissipation
HVD76, HVD77
220
driver and receiver enabled,
VCC = 3.6 V, TJ = 150°C
HVD70, HVD71
190
50% duty cycle square-wave signal at
RL = 100 Ω,
PD
RS-422 load
HVD73, HVD74
220
mW
signaling rate:
CL = 50 pF (driver)
HVD70 and HVD71 at 400 kbps
HVD76, HVD77
250
HVD73 and HVD74 at 20 Mbps
HVD70, HVD71
230
HVD76 and HVD77 at 50 Mbps
RL = 54 Ω,
RS-485 load
HVD73, HVD74
255
mW
CL = 50 pF (driver)
HVD76, HVD77
285
7.7 Electrical Characteristics
over recommended operating range (unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RL = 60 Ω, 375 Ω on each
1.5
2
V
output to –7 V to 12 V, See Figure 15
|VOD|
Driver differential output voltage magnitude
RL = 54 Ω (RS-485), See Figure 16
1.5
2
V
RL = 100 Ω (RS-422) TJ ≥ 0°C,
2
V
VCC ≥ 3.2 V, See Figure 16
Change in magnitude of driver differential output
Δ|VOD|
RL = 54 Ω, CL = 50 pF, See Figure 16
–50
0
50
mV
voltage
VOC(SS)
Steady-state common-mode output voltage
1
VCC / 2
3
V
Change in differential driver output common-mode
ΔVOC
Center of two 27-
Ω load resistors, See Figure 16
–50
0
50
mV
voltage
VOC(PP)
Peak-to-peak driver common-mode output voltage
500
mV
COD
Differential output capacitance
15
pF
Positive-going receiver differential input voltage
VIT+
See (1)
-70
–20
mV
threshold
Negative-going receiver differential input voltage
VIT–
–200
-140
See (1)
mV
threshold
Receiver differential input voltage threshold hysteresis
Vhys
40
70
mV
(VIT+ – VIT–)
(1)
Under any specific conditions, VIT+ is assured to be at least Vhys higher than VIT–.
Copyright © 2014, Texas Instruments Incorporated
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Product Folder Links: SN65HVD70 SN65HVD71 SN65HVD73 SN65HVD74 SN65HVD76 SN65HVD77


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