SP485R

更新时间： 2024-01-07 06:12:51

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SP485R 数据手册

SP481R/SP485R

1/10th Unit Load RS-485Transceiver

FEATURES

■ Allows Over 400 Transceivers On A

Transmission Line (1/10th Unit Load)

■ High Impedance on Receiver Inputs

(R_IN= 150kΩ typical)

■ Half-Duplex Configuration Consistent

With Industry Standard Pinout

■ –7V to +12V Common Mode Input

Voltage Range

■ Includes Shutdown Mode (I_CC< 10µA)

(For SP481R Only)

■ Low Power Consumption (250mW)

■ Separate Driver and Receiver Enable

Now Available in Lead Free Packaging

DESCRIPTION

The SP481R and SP485R are pin-to-pin equivalent with our existing SP485 product and contain

enhancements such as higher ESD tolerance and high receiver input impedance. The higher

receiver input impedance allows for connecting over 400 transceivers on a single transmission

line without degrading the RS-485 driver signal. Each device is packaged in an 8-pin plastic DIP

or8-pinnarrowSOICpackage. The SP481Roffersashutdownfeatureviatheenablepinswhich

will reduce the supply current (I_CC) below 0.5µA typical.

TYPICAL APPLICATION CIRCUIT

GND

SP485

Top View

Date: 6/21/04

SP485R RS-485 Serial Transceiver

12 3 4 5 6 7...9

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型号	品牌	获取价格	描述	数据表
SP485RCN	SIPEX	获取价格	1/10th Unit Load RS-485 Transceiver
SP485RCN	ROCHESTER	获取价格	LINE TRANSCEIVER, PDSO8, MS-012AA, SOIC-8
SP485RCN/TR	ROCHESTER	获取价格	LINE TRANSCEIVER, PDSO8, MS-012AA, SOIC-8
SP485RCN/TR	SIPEX	获取价格	1/10th Unit Load RS-485 Transceiver
SP485RCN-L	EXAR	获取价格	1/10th Unit Load RS-485 Transceiver
SP485RCN-L	SIPEX	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8, LEAD FREE, MS-012AA, SOIC-8
SP485RCN-L/TR	EXAR	获取价格	1/10th Unit Load RS-485 Transceiver
SP485RCN-L/TR	SIPEX	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8, LEAD FREE, MS-012AA, SOIC-8
SP485RCP	SIPEX	获取价格	1/10th Unit Load RS-485 Transceiver
SP485RCP-L	SIPEX	获取价格	Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDIP8, LEAD FREE, PLASTIC, MS-001BA, D