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SP3481 Datasheet, PDF (3/9 Pages) Sipex Corporation – +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
SPECIFICATIONS (continued)
TAMB = TMIN to TMAX and VCC = +3.3V ± 5% unless otherwise noted.
PARAMETERS
MIN. TYP.
SP3481/SP3485 RECEIVER
AC Characteristics
Maximum Data Rate
10
Receiver Input to Output, tPLH 40
70
Receiver Input to Output, tPHL 40
70
Differential Receiver Skew
Receiver Enable to
Output Low
Receiver Enable to
Output High
Receiver Disable from Low
Receiver Disable from High
SP3481 Shutdown Timing
Time to Shutdown
50
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
POWER REQUIREMENTS
Supply Current
SP3481/3485
No Load
SP3481
Shutdown Mode
4
35
35
35
35
75
65
65
50
50
1000
800
MAX. UNITS CONDITIONS
Mbps RE = 0V, DE = 0V
100
ns Figures 6 and 11
70
ns
TAMB = +25oC, VCC = +3.3V,
Figures 6 and 11
100
ns Figures 6 and 11
70
ns
TAMB = +25oC, VCC = +3.3V,
Figures 6 and 11
ns
tRSKEW = tRPHL - tRPLH, Figures 6 and 11
60
ns Figures 7 and 12; S1 closed, S2 open
60
ns Figures 7 and 12; S2 closed, S1 open
60
ns Figures 7 and 12; S1 closed, S2 open
60
ns Figures 7 and 12; S2 closed, S1 open
200
ns RE = 3.3V, DE = 0V
150
ns Figures 4 and 10
150
ns Figures 5 and 10
200
ns Figures 7 and 12; S2 closed, S1 open
200
ns Figures 7 and 12; S1 closed, S2 open
2000 µA RE, DI = 0V or VCC; DE = VCC
1500 µA RE = 0V, DI = 0V or VCC; DE = 0V
10
µA DE = 0V, RE=VCC
10/15/02
SP3481/3485 Low Power Half-Duplex RS485 Transceivers
3
© Copyright 2002 Sipex Corporation