SP3485 Datasheet, PDF (9/9 Pages) Exar Corporation – +3.3V Low Power Half-Duplex RS-485 Transceiver

ORDERING INFORMATION
Model
Temperature Range
Package Types
SP3485CN-L........................................................................ 0°C to +70°C.................................................................................................8-pin NSOIC
SP3485CN-L/TR.................................................................. 0°C to +70°C.................................................................................................8-pin NSOIC
SP3485EN-L...................................................................... -40°C to +85°C..............................................................................................8-pin NSOIC
SP3485EN-L/TR................................................................ -40°C to +85°C..............................................................................................8-pin NSOIC
Note: /TR = Tape and Reel
REVISION HISTORY
DATE
10/15/02
06/19/12
06/27/16
REVISION DESCRIPTION
--
Legacy Sipex Datasheet
1.0.0
Convert to Exar Format. Update ordering information and add new Figure 8 - Driver
Short Circuit Current Limit Test Circuit. Remove EOL device SP3481.
2.0.0
Update logo. Update description paragraph on page 1. Update timing specifications
in electrical characteristics table on pages 2 and 3. Add Driver and Receiver Enable
from Shutdown timing information on pages 3 and 4. Update typical supply current
information on page 4. Update Figures 2, 4, 6, and 8. Update Figures 11 and 13 to
add shutdown timing labels. Add low power shutdown section to page 7. Update
transmit and receive truth tables on page 7. Update Receiver section on page 7.

Notice
EXAR Corporation reserves the right to make changes to any products contained in this publication in order to improve design, performance or reliabil-
ity. EXAR Corporation assumes no representation that the circuits are free of patent infringement. Charts and schedules contained herein are only for
illustration purposes and may vary depending upon a user's specific application. While the information in this publication has been carefully checked;
no responsibility, however, is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can
reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for
use in such applications unless EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been
minimized ; (b) the user assumes all such risks; (c) potential liability of EXAR Corporation is adequately protected under the circumstances.
Copyright 2016 EXAR Corporation
Datasheet June 2016
For technical support please email Exar's Serial Technical Support group at: [e-mail]
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7000 • www.exar.com
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SP3485_200_051916