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SP331 数据表(PDF) 2 Page - Exar Corporation

部件名 SP331
功能描述  Programmable Dual RS-232/RS-485 Transceiver
PDF  13 Pages
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制造商  EXAR [Exar Corporation]
网页  http://www.exar.com
标志 EXAR - Exar Corporation

SP331 数据表(HTML) 2 Page - Exar Corporation

  SP331 Datasheet HTML 1Page - Exar Corporation SP331 Datasheet HTML 2Page - Exar Corporation SP331 Datasheet HTML 3Page - Exar Corporation SP331 Datasheet HTML 4Page - Exar Corporation SP331 Datasheet HTML 5Page - Exar Corporation SP331 Datasheet HTML 6Page - Exar Corporation SP331 Datasheet HTML 7Page - Exar Corporation SP331 Datasheet HTML 8Page - Exar Corporation SP331 Datasheet HTML 9Page - Exar Corporation Next Button
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com
SP33_00_0260
SPECIFICATIONS
PARAMETER
MIN.
TYP.
MAX.
UNITS CONDITIONS
LOgIC INPUTS
V
IL
0.8
Volts
V
IH
2.0
Volts
LOgIC OUTPUTS
V
OL
0.4
Volts
I
OUT = -3.2mA
V
OH
2.4
Volts
I
OUT = .0mA
RS-232 DRIVER
DC Characteristics
HIGH Level Output
+5.0
+5.0
Volts
R
L = 3kΩ, VIN = 0.8V
LOW Level Output
-5.0
-5.0
Volts
R
L = 3kΩ, VIN = 2.0V
Open Circuit Voltage
-5
+5
Volts
Short Circuit Current
+/-00
mA
V
OUT = 0V
Power Off Impedance
300
Ω
V
CC = 0V, VOUT = +/-2.0V
AC Characteristics
Slew Rate
30
V/µs
R
L = 3kΩ, CL = 50pF; VCC = +5.0V,
T
A @ 25°C
Transistion Time
.5
µs
R
L = 3kΩ, CL = 2500pF; between
+/-3V, T
A @ +25°C
Maximum Data Rate
20
235
kbps
R
L = 3kΩ, CL = 2500pF
Propagation Delay t
PHL
2
8
µs
Measured from 1.5V of V
IN to 50%
of V
OUT; RL = 3kΩ
Propagation Delay t
PLH
2
8
µs
RS-232 RECEIVER
DC Characteristics
HIGH Threshold
.7
3.0
Volts
LOW Threshold
0.8
.2
Volts
Receiver Open Circuit Bias
+2.0
Volts
Input Impedance
3
5
7
kΩ
V
IN = +5V to -5V
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.
V
CC.......................................................................+7V
Input Voltages
Logic............................-0.5V to (Vcc+0.5V)
Drivers.........................-0.5V to (Vcc+0.5V)
Receivers......................+/-30V @ ≤100mA
Driver Outputs..................................................+/-5V
Maximum Data Rate..........................8Mbps (Note 1)
Storage Temperature.......................-65˚C to +150˚C
Power Dissipation
28-pin WSOIC...................................000mW
Package Derating:
28-pin WSOIC
ø
JA................................................40 °C/W
Limits are specified at T
A = 25°C and VCC = +5.0V unless otherwise noted.



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