ELECTRICAL CHARACTERISTICS
TMIN to TMAX and VCC = +3.3V ± 5% unless otherwise noted.
PARAMETERS
RECEIVER
MIN.
TYP.
MAX. UNITS CONDITIONS
AC Characteristics
Maximum Data Rate
Receiver Input to Output, tPLH
250
35
kbps
ns
RE = 0V, DE = 0V
Figures 6 and 11
70
70
50
120
120
Receiver Input to Output, tPHL
Differential Receiver Skew
35
ns
ns
Figures 6 and 11
tRSKEW = tRPHL - tRPLH
Figures 6 and 11
Receiver Enable to
Output Low
45
70
ns
Figures 7 and 12; S1 closed, S2 open
Receiver Enable to
Output High
Receiver Disable from Low
Receiver Disable from High
45
45
45
70
70
70
ns
ns
ns
Figures 7 and 12; S2 closed, S1 open
Figures 7 and 12; S1 closed, S2 open
Figures 7 and 12; S2 closed, S1 open
Shutdown Timing
Time to Shutdown
Driver Enable from Shutdown
to Output High
Driver Enable from Shutdown
to Output Low
Receiver Enable from
Shutdown to Output High
Receiver Enable from
Shutdown to Output Low
50
200
600
ns
ns
ns
ns
ns
RE = 5V, DE = 0V
2000
2000
2500
2500
Figures 4 and 10
Figures 5 and 10
Figures 7 and 12; S2 closed, S1 open
Figures 7 and 12; S1 closed, S2 open
POWER REQUIREMENTS
Supply Current
No Load
350
250
650
10
µA
µA
µA
RE, DI = 0V or VCC; DE = VCC
RE = 0V, DI = 0V or VCC; DE = 0V
DE = 0V, RE=VCC
Shutdown Mode
Date: 6/23/04
SP3483 Low Power Slew Rate Limited Half-Duplex RS485 Transceivers
© Copyright 2004 Sipex Corporation
3
SIPEX [ SIPEX CORPORATION ]
