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SP485 Datasheet(PDF) 1 Page - Sipex Corporation

Part No. SP485
Description  Low Power Half-Duplex RS-485 Transceivers
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
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1
Rev. 07/28/04
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
© Copyright 2002 Sipex Corporation
SP481/SP483/SP485
Low Power Half-Duplex RS-485 Transceivers
FEATURES
■ +5V Only
■ Low Power BiCMOS
■ Driver/Receiver Enable
■ Slew Rate Limited Driver for
Low EMI (SP483)
■ Low Power Shutdown Mode (SP481
and SP483)
■ RS-485 and RS-422 Drivers/Receivers
8
7
6
5
1
2
3
4
Vcc
B
A
GND
D
R
RO
RE
DE
DI
SP481, SP483, and SP485
RE
The SP481, SP483, and the SP485 are a family of half-duplex transceivers that meet the
requirements of RS-485 and RS-422. Their BiCMOS design allows low power operation
without sacrificing performance. The SP481 and SP485 meet the requirements of RS-485
and RS-422 up to 5Mbps. Additionally, the SP481 is equipped with a low power Shutdown
mode. The SP483 is internally slew rate limited to reduce EMI and can meet the requirements
of RS-485 and RS-422 up to 250kbps. The SP483 is also equipped with a low power
Shutdown mode.
DESCRIPTION
SP481, SP483, SP485
Pinout (Top View)
RO 1
RE 2
DE 3
DI 4
8
VCC
7
B
6
A
5
GND
D
R
SP485
Top View




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