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SN65HVD82DR Datasheet(PDF) 4 Page - Texas Instruments

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Part # SN65HVD82DR
Description  Robust RS-485 Transceiver
Download  23 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN65HVD82DR Datasheet(HTML) 4 Page - Texas Instruments

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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, RL = 60 Ω, 375 Ω on each output to –7 V to 12 V
1.5
V
Driver differential output voltage
|VOD|
RL = 54 Ω (RS-485)
1.5
2
V
magnitude
RL = 100 Ω (RS-422)
2
2.5
V
Change in magnitude of driver
See Figure 2
Δ|VOD|
RL = 54 Ω, CL = 50 pF
–0.2
0
0.2
V
differential output voltage
Steady-state common-mode output
VOC(SS)
Center of two 27-
Ω load resistors
1
VCC/2
3
V
voltage
Change in differential driver output
ΔVOC
–0.2
0
0.2
V
common-mode voltage
Peak-to-peak driver common-mode
VOC(PP)
850
mV
output voltage
COD
Differential output capacitance
8
pF
Positive-going receiver differential input
VIT+
See (1)
–70
-20
mV
voltage threshold
Negative-going receiver differential input
VIT–
–200
–150
See (1)
mV
voltage threshold
Receiver differential input voltage
VHYS
40
60
mV
threshold hysteresis (VIT+ – VIT–)
VOH
Receiver high-level output voltage
IOH = -8 mA
2.4
VCC–0.3
V
VOL
Receiver low-level output voltage
IOL = 8 mA
0.2
0.4
V
Driver input, driver enable, and receiver
II
–2
2
μA
enable input current
IOZ
Receiver output high-impedance current
VO = 0 V or VCC, RE at VCC
–10
10
µA
IOS
Driver short-circuit output current
| IOS | with VA or VB from –7 V to +12 V
150
mA
VI = 12 V
75
125
VCC = 4.5 to 5.5 V or VCC = 0 V,
II
Bus input current (disabled driver)
μA
DE at 0 V
VI = –7 V
–100
–40
DE = VCC, RE=GND,
Driver and Receiver enabled
900
No load
DE = VCC, RE = VCC,
Driver enabled, receiver disabled
650
No load
Supply current (quiescent)
μA
ICC
DE = GND, RE = GND,
Driver disabled, receiver enabled
650
No load
DE = GND, D=GND,
Driver and receiver disabled
0.4
2
RE = VCC, No load
Supply current (dynamic)
See “TYPICAL CHARACTERISTICS” section
(1)
Under any specific conditions, VIT+ is assured to be at least VHYS higher than VIT-.
4
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Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: SN65HVD82


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