磁场传感器

Honeywell

霍尼韦尔

LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER

DESCRIPTION The ST491A is a low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in full duplex configuration. The ST491A draws 5mA (typ.) of supply current when unloaded and operates from a single 5V supply. ■ LOW SUPPLY CURRENT: 5mA MAX ■

文件：269.86 Kbytes 页数：12 Pages

STMICROELECTRONICS

意法半导体

LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER

DESCRIPTION The ST491A is a low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in full duplex configuration. The ST491A draws 5mA (typ.) of supply current when unloaded and operates from a single 5V supply. ■ LOW SUPPLY CURRENT: 5mA MAX ■

文件：269.86 Kbytes 页数：12 Pages

STMICROELECTRONICS

意法半导体

LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER

DESCRIPTION The ST491A is a low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in full duplex configuration. The ST491A draws 5mA (typ.) of supply current when unloaded and operates from a single 5V supply. ■ LOW SUPPLY CURRENT: 5mA MAX ■

文件：269.86 Kbytes 页数：12 Pages

STMICROELECTRONICS

意法半导体