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SN65HVD1782 Datasheet(PDF) 4 Page - Texas Instruments

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Part # SN65HVD1782
Description  70-V Fault-Protected RS-485 Transceivers
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN65HVD1782 Datasheet(HTML) 4 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
SN65HVD1780
SN65HVD1781
SN65HVD1782
SLLS877D – DECEMBER 2007 – REVISED AUGUST 2008 ............................................................................................................................................. www.ti.com
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA < 85°C
1.5
RL = 60 Ω, 4.75 V ≤ VCC 375 Ω
on each output to –7 V to 12 V
TA <
1.4
Figure 1
125°C
TA < 85°C
1.7
2
RL = 54 Ω,
TA <
4.75 V
≤ VCC ≤ 5.25 V
1.5
|VOD|
Driver differential output voltage magnitude
125°C
V
RL = 54 Ω,
0.8
1
3.15 V
≤ VCC ≤ 3.45 V
TA < 85°C
2.2
2.5
RL = 100 Ω,
TA <
4.75 V
≤ VCC ≤ 5.25 V
2
125°C
Change in magnitude of driver differential output
Δ|VOD|
RL = 54 Ω
–50
0
50
mV
voltage
VOC(SS) Steady-state common-mode output voltage
1
VCC/2
3
V
Change in differential driver output
ΔVOC
–50
0
50
mV
common-mode voltage
Peak-to-peak driver common-mode output
Center of two 27-
Ω load resistors,
VOC(PP)
500
mV
voltage
See Figure 2
COD
Differential output capacitance
23
pF
Positive-going receiver differential input voltage
VIT+
–100
–35
threshold
Negative-going receiver differential input
VIT–
–180
–150
mV
voltage threshold
Receiver differential input voltage threshold
VHYS
30
50
hysteresis (VIT+ – VIT–)
VCC
VOH
Receiver high-level output voltage
IOH = –8 mA
2.4
V
– 0.3
TA < 85°C
0.2
0.4
VOL
Receiver low-level output voltage
IOL = 8 mA
V
TA < 125°C
0.5
Driver input, driver enable, and receiver enable
II(LOGIC)
–50
50
µA
input current
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
VCC = 3.15 to 5.5 V
VI = 12 V
75
100
or
II(BUS)
Bus input current (disabled driver)
µA
VI = –7 V
–60
–40
VCC = 0 V, DE at 0 V
DE = VCC,
Driver and receiver
RE = GND,
4
6
enabled
no load
DE = VCC,
Driver enabled,
RE = VCC,
3
5
mA
receiver disabled
no load
DE = GND,
Driver disabled,
RE = GND,
2
4
receiver enabled
ICC
Supply current (quiescent)
no load
DE = GND,
D = open,
0.15
1
RE = VCC,
Driver and receiver
no load, TA < 85°C
disabled, standby
µA
DE = GND,
mode
D = open,
12
RE = VCC,
no load, TA < 125°C
Supply current (dynamic)
See the Typical Characteristics section
4
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Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): SN65HVD1780 SN65HVD1781 SN65HVD1782


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