SP3490EN-L 데이터 시트보기 (PDF) - Exar Corporation
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SP3490EN-L Datasheet PDF : 12 Pages
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SP3490 / SP3491
Absolute Maximum Ratings
These are stress ratings only and functional operation of the
device at these ratings or any other above those indicated
in the operation sections of the specifications below is not
implied. Exposure to absolute maximum rating conditions
for extended periods of time may affect reliability.
VCC................................................................................ 6.0V
Input Voltages
Logic...................................... -0.3V to 6.0V
Drivers................................... -0.3V to 6.0V
Receivers............................................ ±14V
Output Voltages
Drivers................................................ ±14V
Receivers............................... -0.3V to 6.0V
Storage Temperature..................................-65˚C to +150˚C
Maximum Junction Temperature, TJ...........................125˚C
Power Dissipation
8-pin NSOIC............................................................. 600mW
(derate 6.90mW/°C above +70°C)
14-pin NSOIC .......................................................... 700mW
(derate 8.33mW/°C above +70°C)
Operating Conditions
Package Power Dissipation
8-pin NSOIC ѲJA................................................. 128.4˚C/W
14-pin NSOIC ѲJA................................................. 88.2˚C/W
ESD Rating
Human Body Model (HBM)........................................... ±2kV
Electrical Characteristics
TAMB = TMIN to TMAX and VCC = 3.3V ±5% unless otherwise noted.
PARAMETERS
SP3490 Driver DC Characteristics
Differential output voltage
Differential output voltage
Differential output voltage
Change in magnitude of driver
differential output voltage for
complimentary states
Driver common-mode output voltage
Input high voltage
Input low voltage
Input current
Driver short circuit current
VOUT = HIGH
Driver short circuit current
VOUT = LOW
SP3490 Driver AC Characteristics
Maximum data rate
Driver input to output, tPLH
Driver input to output, tPHL
MIN.
2
1.5
2.0
10
20
20
TYP.
MAX.
Vcc
Vcc
Vcc
0.2
3
0.8
±10
±250
±250
40
60
40
60
UNITS
V
V
V
V
V
V
V
µA
mA
mA
Mbps
ns
ns
CONDITIONS
Unloaded; R = ∞Ω ; Figure 1
With load; R = 50Ω (RS-422); Figure 1
With load; R = 27Ω (RS-485); Figure 1
R = 27Ω or R = 50Ω; Figure 1
R = 27Ω or R = 50Ω; Figure 1
-7V ≤ VO ≤ 12V; Figure 8
-7V ≤ VO ≤ 12V; Figure 8
R = 27Ω, Figures 2 & 9
R = 27Ω, Figures 2 & 9
REV 1.0.3
2/12
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