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THVD1500 Datasheet, PDF (5/29 Pages) Texas Instruments – 300 kbps RS-485 Transceivers With 8-kV IEC ESD Protection
◁
THVD1500
www.ti.com
SLLSEY4 – JULY 2017
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX UNIT
VCC
Supply voltage
4.5
VI
Input voltage at any bus terminal(1)
-7
VIH
High-level input voltage (Driver, driver enable, and receiver enable
inputs)
2
5.5
V
12
V
VCC
V
VIL
Low-level input voltage (Driver, driver enable, and receiver enable
inputs)
0
0.8
V
VID
Differential input voltage
IO
Output current, Driver
IOR
Output current, Receiver
RL
Differential load resistance
1/tUI
Signaling rate
TA
Operating ambient temperature
TJ
Junction temperature
-12
12
V
-60
60
mA
-8
8
mA
54
Ω
300 kbps
-40
125
°C
-40
150
°C
(1) The algebraic convention, in which the least positive (most negative) limit is designated as minimum is used in this data sheet.
6.4 Thermal Information
RθJA
RθJC(top)
RθJB
ψJT
ψJB
RθJC(bot)
TJ(TSD)
THERMAL METRIC(1)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
Thermal shut-down temperature
THVD1500
D (SOIC)
8 PINS
130.1
72.8
73.6
25.0
72.9
NA
170
UNIT
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
6.5 Power Dissipation
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Driver and receiver enabled,
Unterminated RL = 300 Ω,
CL = 50 pF (driver)
PD
VCC = 5.5 V, TJ = 150 °C,
RS-422 load RL = 100 Ω,
50% duty cycle square wave at signaling CL = 50 pF (driver)
rate
RS-485 load RL = 54 Ω,
CL = 50 pF (driver)
300 kbps
300 kbps
300 kbps
VALUE
50
110
170
UNIT
mW
mW
mW
Copyright © 2017, Texas Instruments Incorporated
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