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ADM101E Dataheets PDF



Part Number ADM101E
Manufacturers Analog Devices
Logo Analog Devices
Description Craft Port Tiny RS-232 Transceiver
Datasheet ADM101E DatasheetADM101E Datasheet (PDF)

Data Sheet Craft Port™ Tiny RS-232 Transceiver for Portable Applications ADM101E FEATURES 460 kbit/s Transmission Rate Single 5 V Power Supply Compatible with RS-232 Input/Output Levels 0.1 μF Charge Pump Capacitors One Driver and One Receiver On-Board DC-DC Converter ±4.2 V Output Swing with 5 V Supply Low Power BiCMOS: 500 μA ICC Ultralow Power (1 μA) Shutdown Mode 10-Lead MSOP Package Qualified for Automotive Applications APPLICATIONS Mobile Telephones Palmtop Computers PDAs Portable Instru.

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Data Sheet Craft Port™ Tiny RS-232 Transceiver for Portable Applications ADM101E FEATURES 460 kbit/s Transmission Rate Single 5 V Power Supply Compatible with RS-232 Input/Output Levels 0.1 μF Charge Pump Capacitors One Driver and One Receiver On-Board DC-DC Converter ±4.2 V Output Swing with 5 V Supply Low Power BiCMOS: 500 μA ICC Ultralow Power (1 μA) Shutdown Mode 10-Lead MSOP Package Qualified for Automotive Applications APPLICATIONS Mobile Telephones Palmtop Computers PDAs Portable Instrumentation GPS Receivers FUNCTIONAL BLOCK DIAGRAM Figure 1. GENERAL DESCRIPTION The ADM101E is a single channel RS-232 driver and receiver in the Analog Devices Craft Port series, designed to operate from a single, 5 V supply. A highly efficient charge-pump voltage inverter generates an on-chip −5 V supply, which eliminates the need for a negative power supply for the driver and permits RS-232 compatible output levels to be developed using charge pump capacitors as small as 0.1 μF. A shutdown input disables the charge pump and puts the device into a low power shutdown mode, in which the current consumption is typically less than 1 μA. The transmitter is disabled during shutdown but the receiver remains functional. An epitaxial BiCMOS construction minimizes power consumption to 3 mW and also guards against latch-up. Overvoltage protection is provided allowing the receiver inputs to withstand continuous voltages in excess of ±30 V. In addition, all I-O pins have ESD protection to levels greater than 15 kV. The ADM101E is available in a 10-lead MSOP package, which makes it ideal for serial communications in small, portable applications such as palmtop computers and mobile telephones, where a full, RS-232 serial interface is not required, but compact size and low power drain are paramount. Craft Port is a trademark of Analog Devices, Inc. Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2001–2014 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com ADM101E TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History .......................


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