概述

ADM2209E是一款完整的单芯片、双RS-232端口，内置6个驱动器和10个接收器，完全符合EIA-232和V.28规范。该器件具有一个片上DC-DC转换器，可产生-12V供电轨，因而无需负电源。

特点

Two Complete Serial Ports, Six Drivers and Ten Receivers

Operates with 3 V or 5 V Logic

Low Power CMOS: 

<5 mA Operation

Low Standby Current: 100 mA

460 kbit/s Data Rate Guaranteed Laplink?-Compatible

0.1 mF Charge Pump Capacitors

Single +12 V Power Supply

+3.3 V/+5 V Standby Supply

One Receiver on Each Port Active in Standby

Complies with 89/336/EEC EMC Directive

ESD Protection to IEC1000-4-2 (801.2)

See datasheet for additional features