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SP3485CP Datasheet

  • SP3485CP

  • +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps ...

  • 126.35KB

  • 9页

  • SIPEX

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SPECIFICATIONS
(continued)
T
AMB
= T
MIN
to T
MAX
and V
CC
= +3.3V
卤
5% unless otherwise noted.
PARAMETERS
SP3481/SP3485 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, t
PLH
MIN.
TYP.
MAX.
UNITS
CONDITIONS
10
40
70
100
70
100
70
Mbps
ns
ns
ns
ns
ns
RE = 0V, DE = 0V
Figures 6 and 11
T
AMB
= +25
o
C, V
CC
= +3.3V,
Figures 6 and 11
Receiver Input to Output, t
PHL
40
70
Figures 6 and 11
T
AMB
= +25
o
C, V
CC
= +3.3V,
Figures 6 and 11
t
RSKEW
= t
RPHL
- t
RPLH
,
Figures 6 and 11
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
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
60
60
60
60
ns
ns
ns
ns
Figures 7 and 12;
S
1
closed, S
2
open
Figures 7 and 12;
S
2
closed, S
1
open
Figures 7 and 12;
S
1
closed, S
2
open
Figures 7 and 12;
S
2
closed, S
1
open
RE = 3.3V, DE = 0V
50
75
65
65
50
50
200
150
150
200
200
ns
ns
ns
ns
ns
Figures 4 and 10
Figures 5 and 10
Figures 7 and 12;
S
2
closed, S
1
open
Figures 7 and 12;
S
1
closed, S
2
open
1000
800
2000
1500
10
碌A
碌A
碌A
RE, DI = 0V or V
CC
; DE = V
CC
RE = 0V, DI = 0V or V
CC
; DE = 0V
DE = 0V, RE=V
CC
10/15/02
SP3481/3485 Low Power Half-Duplex RS485 Transceivers
漏 Copyright 2002 Sipex Corporation
3

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