SP332 データシートの表示（PDF） - Signal Processing Technologies
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SP332 Datasheet PDF : 10 Pages
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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 ............................................................................................................+12V
CC
Input Voltages
Logic........................................................-0.5V to (VCC+0.5V)
Drivers..................................................-0.5V to (VCC+0.5V)
Receivers.................................................±30V@≤100mA
Driver Outputs......................................................................................±15V
Storage Temperature..................................................-65˚C to +150˚C
Power Dissipation..........................................................................1000mW
SPECIFICATIONS
TMIN to TMAX and VCC = 5V±5% unless otherwise noted.
PARAMETER
MIN.
RS-485 DRIVER
DC Characteristics
Differential Output Voltage GND
Differential Output Voltage
2.0
TYP.
MAX.
VCC
5.0
Differential Output Voltage
1.5
5.0
Change in Magnitude of Driver
Differential Output Voltage for
Complementary States
0.2
Driver Common-Mode Output
Voltage
3
Input High Voltage
2.0
Input Low Voltage
0.8
Input Current
Pull-Up Current
Pull-Down Current
Driver Short-Circuit
Current
VOUT= HIGH
VOUT= LOW
AC Characteristics
Driver Data Rate
Driver Input to Output
t
PLH
Driver Input to Output
tPHL
Driver Skew
±10
1.5
3.0
35
250
35
250
10
70
180
70
180
5
10
Driver Rise or Fall Time
3
15
40
RS-485 RECEIVER
DC Characteristics
Differential Input Threshold -0.2
+0.2
Input Hysteresis
70
Output Voltage High
3.5
Output Voltage Low
0.4
Input Resistance
12
15
Input Current (A, B); VIN= 12V
+1.5
Input Current (A, B); VIN= -7V
-0.8
Short Circuit Current
85
UNITS CONDITIONS
Volts
Volts
Volts
Unloaded; R=∞; see figure 1
With Load; R=50Ω (RS-422);
see figure 1
With Load; R=27Ω (RS-485);
see figure 1
Volts
Volts
Volts
Volts
µA
µA
µA
R=27Ω or R=50Ω; see figure 1
R=27Ω or R=50Ω; see figure 1
Applies to transmitter inputs,
SEL A, SEL B, SD, LB
Applies to
SEL A, SEL B, SD, LB
Applies to:
transmitter inputs, LB
SEL A, SEL B, SD,
mA
-7V≤VO≤10V
mA
-7V≤VO≤10V
Mbps
ns
ns
ns
ns
RDIFF=54Ω,
C =C =100pF;
L1 L2
see figures 3 and 6
RDIFF=54Ω, CL1=CL2=100pF;
see figures 3 and 6
From output to output;
see figures 3 and 6
From 10% to 90%; RDIFF=54Ω,
C =C =100pF; see figures 3 and 6
L1 L2
Volts
mV
Volts
Volts
kΩ
mA
mA
mA
-7V≤VCM≤12V
VCM=0V
IO=-4mA, VID=+200mV
I =+4mA, V =-200mV
O
ID
-7V≤VCM≤12V
VIN= 12V, A is the non-inverting
receiver input. B is the inverting
receiver input
VIN= -7V
0V≤VCM≤VCC
TGoddard/SP332/9617R0
SP332 RS-232/RS-485 Multi-Mode Serial Transceiver
2
© Copyright 2000 Sipex Corporation
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