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SN65HVD1780-Q1 Datasheet(PDF) 5 Page - Texas Instruments

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Part # SN65HVD1780-Q1
Description  Fault-Protected RS-485 Transceivers
Download  28 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN65HVD1780-Q1 Datasheet(HTML) 5 Page - Texas Instruments

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SN65HVD1780-Q1, SN65HVD1781-Q1, SN65HVD1782-Q1
www.ti.com
SLLSE49B – SEPTEMBER 2010 – REVISED JANUARY 2016
Product Folder Links: SN65HVD1780-Q1 SN65HVD1781-Q1 SN65HVD1782-Q1
Submit Documentation Feedback
Copyright © 2010–2016, Texas Instruments Incorporated
(1)
Ensured by design. Not production tested.
6.6 Electrical Characteristics
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOD|
Driver differential output voltage magnitude
RL = 60 Ω, 4.75 V ≤ VCC 375 Ω
on each output to –7 V to 12 V,
SeeFigure 6
TA < 85°C
1.5
V
TA < 125°C
1.4
RL = 54 Ω,
4.75 V
≤ VCC ≤ 5.25 V
TA < 85°C
1.7
2
TA < 125°C
1.5
RL = 54 Ω,
3.15 V
≤ VCC ≤ 3.45 V
0.8
1
RL = 100 Ω,
4.75 V
≤ VCC ≤ 5.25 V
TA < 85°C
2.2
2.5
TA < 125°C
2
Δ|VOD|
Change in magnitude of driver differential
output voltage
RL = 54 Ω
–50
0
50
mV
VOC(SS)
Steady-state common-mode output voltage
1
VCC/2
3
V
ΔVOC
Change in differential driver output common-
mode voltage
–50
0
50
mV
VOC(PP)
Peak-to-peak driver common-mode output
voltage
Center of two 27-
Ω load resistors,
See Figure 7
500
mV
COD
Differential output capacitance
23
pF
VIT+
Positive-going receiver differential input
voltage threshold
–100
–35
mV
VIT–
Negative-going receiver differential input
voltage threshold
–180
–150
mV
VHYS
Receiver differential input voltage threshold
hysteresis
(VIT+ – VIT–)
(1)
30
50
mV
VOH
Receiver high-level output voltage
IOH = –8 mA
2.4
VCC
– 0.3
V
VOL
Receiver low-level output voltage
IOL = 8 mA
TA < 85°C
0.2
0.4
V
TA < 125°C
0.5
II(LOGIC)
Driver input, driver enable, and receiver
enable input current
–50
50
μA
IOZ
Receiver output high-impedance current
VO = 0 V or VCC, RE at VCC
–1
1
μA
IOS
Driver short-circuit output current
–200
200
mA
II(BUS)
Bus input current (disabled driver)
VCC = 3.15 to 5.5 V or
VCC = 0 V, DE at 0 V
VI = 12 V
HVD1780-Q1,
HVD1781-Q1
75
100
μA
HVD1782-Q1
400
500
VI = –7 V
HVD1780-Q1,
HVD1781-Q1
–60
–40
HVD1782-Q1
-400
-300
ICC
Supply current (quiescent)
Driver and receiver enabled
DE = VCC, RE = GND,
no load
4
6
mA
Driver enabled, receiver
disabled
DE = VCC, RE = VCC,
no load
3
5
Driver disabled, receiver
enabled
DE = GND, RE = GND,
no load
2
4
Driver and receiver disabled,
standby mode
DE = GND, D = open,
RE = VCC, no load, TA <
85°C
0.15
1
μA
DE = GND, D = open,
RE = VCC, no load, TA <
125°C
12
Supply current (dynamic)
See the Typical Characteristics section


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