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SP481 Datasheet, PDF (3/10 Pages) Sipex Corporation – Low Power Half-Duplex RS-485 Transceivers
SPECIFICATIONS (continued)
TMIN to TMAX and VCC = 5V ± 5% unless otherwise noted.
PARAMETERS
MIN.
SP481/SP485 RECEIVER
TYP.
AC Characteristics
Maximum Data Rate
Receiver Input to Output
5
60
90
Receiver Input to Output
60
90
Diff. Receiver Skew ItPLH-tPHLI
13
Receiver Enable to
Output Low
20
Receiver Enable to
Output High
20
Receiver Disable from Low
20
Receiver Disable from High
20
SP481
Shutdown Timing
Time to Shutdown
50
200
Driver Enable from Shutdown
to Output High
40
Driver Enable from Shutdown
to Output Low
40
Receiver Enable from
Shutdown to Output High
300
Receiver Enable from
Shutdown to Output Low
300
POWER REQUIREMENTS
Supply Voltage
+4.75
Supply Current
SP481/485
No Load
900
SP483
No Load
600
SP481/SP483
Shutdown Mode
ENVIRONMENTAL AND
MECHANICAL
Operating Temperature
Commercial (_C_)
0
Industrial (_E_)
-40
Storage Temperature
-65
Package
Plastic DIP (_S)
NSOIC (_N)
MAX. UNITS CONDITIONS
Mbps RE = 0V, DE = 0V
200
ns
tPLH; RDIFF = 54Ω,
CL1 = CL2 = 100pF; Figures 3 & 8
200
ns
CtPLH1L;=RCDLIF2F==10504pΩF,; Figures 3 & 8
ns
RDIFF = 54Ω; CL1 = CL2 = 100pF;
Figures 3 & 8
50
ns
CRL = 15pF; Figures 2 & 9; S1 closed
50
ns
CRL = 15pF; Figures 2 & 9; S2 closed
50
ns
CRL = 15pF; Figures 2 & 9; S1 closed
50
ns
CRL = 15pF; Figures 2 & 9; S2 closed
600
ns RE = 5V, DE = 0V
100
ns CL = 100pF; See figures 4 & 7; S2 closed
100
ns CL = 100pF; See figures 4 & 7; S1 closed
1000 ns
CL = 15pF; See figures 2 & 9; S2 closed
1000 ns
CL = 15pF; See figures 2 & 9; S1 closed
+5.25 Volts
µA
RE, DI = 0V or VCC; DE = VCC
µA RE = 0V, DI = 0V or 5V; DE = 0V
µA
RE, DI = 0V or VCC; DE = VCC
µA RE=0V, DI = 0V or 5V; DE = 0V
10
µA DE = 0V, RE=VCC
+70 °C
+85 °C
+150 °C
Rev. 07/16/02
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
3
© Copyright 2002 Sipex Corporation