1μA电源电流，真+ 3V至+ 5.5V的RS - 232收发器，具有自动关机 1レA Supply-Current, True +3V to +5.5V RS-232 Transceivers with AutoShutdown
General Description
The MAX3221/MAX3223/MAX3243 achieve 1µA supply current with Maxim’s revolutionary AutoShutdown™ feature. When the MAX3221/MAX3223/MAX3243 do not sense a valid signal level on their receiver inputs, the on-board power supply and drivers shut down. This occurs if the RS-232 cable is disconnected or if the transmitters of the connected peripheral are turned off. The system turns on again when a valid level is applied to any RS-232 receiver input. As a result, the system saves power without changes to the existing BIOS or operating system.
Features
♦For Space-Constrained Applications: MAX3228/MAX3229: +2.5V to +5.5V RS-232 Transceivers in UCSP™
♦For Integrated ESD Protection: MAX3222E/MAX3232E/MAX3237E/MAX3241E- .
- / MAX3246E: ±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers MAX3246E Available in UCSP Package
♦For Low-Voltage or Data Cable Applications: MAX3380E/MAX3381E: +2.5V to +5.5V, 1µA, 2 Tx/2 Rx RS-232 Transceivers with ±15kV ESD Protected I/O and Logic Pins
