SP490E Enhanced Full Duplex RS-485 Transceivers

The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 10Mbps. The SP491E is identical to the SP490E with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range. The SP490E is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP491E is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges.

技术特性

+5V Only
Low Power BiCMOS
RS-485 and RS-422 Drivers/Receivers
Pin Compatible with LTC490 and SN75179
Improved ESD Specifications:

±15kV Human Body Model
±15kV IEC1000-4-2 Air Discharge
±8kV IEC1000-4-2 Contact Discharg

应用领域 APPLICATION

Motor Control
Building Automation
Security Systems
Remote Meter Reading

订购信息 Ordering Information

器件型号	有害物质限制	最低温度	最高温度	状态	立刻购买	申请样片
SP490ECN-L		0	70	Active
SP490ECN-L/TR		0	70	Active
SP490ECP-L		0	70	Active
SP490EEN-L/TR		-40	85	Active
SP490EEP-L		-40	85	Active

技术指标

电源电压Vcc(V)	5
发送器数量(Tx)	1
接收器数量(Rx)	1
双工	Full
数据传输速率(kbps)	10000
静电放电ESD(KV)	15
接收开路故障防护	Yes
接收短路故障防护	No
关断	No
多点节点	32

功能框图 Functional Block Diagram

应用技术支持与电子电路设计开发资源下载	版本信息	大小
SP490E 数据资料DataSheet下载:pdf	Rev.V2	2 页