SP491CN-L/TR Exar Corporation, SP491CN-L/TR Datasheet - Page 3
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SP491CN-L/TR
Manufacturer Part Number
SP491CN-L/TR
Description
Full Duplex RS-485 Transceivers
Manufacturer
Exar Corporation
Type
Transceiverr
Datasheet
1.SP490CN-L.pdf
(12 pages)
Specifications of SP491CN-L/TR
Number Of Drivers/receivers
1/1
Protocol
RS485
Voltage - Supply
5V
Mounting Type
Surface Mount
Package / Case
14-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SP491CN-L/TR
Manufacturer:
FSC
Quantity:
3 400
Part Number:
SP491CN-L/TR
Manufacturer:
SIPEX
Quantity:
20 000
Figure . Driver DC Test Load Circuit
Figure 3. Driver/Receiver Timing Test Circuit
T
MIN
PARAMETERS
SP490 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output
Receiver Input to Output
Diff. Receiver Skew It
POWER REQUIREMENTS
Supply Voltage
Supply Current
ENVIRONMENTAL AND
MECHANICAL
Operating Temperature
Storage Temperature
Package
to T
Commercial (C_)
Industrial (E_)
Plastic DIP (_S)
NSOIC (_N)
MAX
and V
CC
= 5V ± 5% unless otherwise noted.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-707 • www.exar.com
PLH
-t
PHL
I
+4.75
MIN.
-40
-65
5
0
TYP.
900
90
90
3
MAX. UNITS
+5.25
+50
3
50
50
+70
+85
Figure 4. Driver Timing Test Load #2 Circuit
Figure 2. Receiver Timing Test Load Circuit
Mbps
ns
ns
ns
Volts
µA
°C
°C
°C
ELECTRICAL CHARACTERISTICS
CONDITIONS
t
C
t
C
R
Figures 3 & 8
PLH
PHL
L
L
DIFF
; R
; R
= C
= C
= 54Ω; C
DIFF
DIFF
L2
L2
= 00pF;
=
= 54Ω,
= 54Ω,
00pF;
L
= C
Figures 3 & 8
Figures 3 & 8
L2
SP490,49_00_07408
= 00pF;