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EM4222 - Read-Only UHF Identification

Datasheet Summary

Description

The EM4222 is used in passive UHF read-only transponder applications.

It is powered up by an RF beam transmitted by the reader, which is received and rectified to generate a supply voltage for the chip.

Features

  • Factory programmed 64 bit unique ID number High data rate: Up to 256 kbit/s Frequency independent: Typically used at 869 MHz, 902 - 928 MHz, 2.45 GHz On-chip oscillator On-chip rectifier Low voltage operation - down to 1.0 V Low power consumption Cost effective -40 to +85°C operating temperature range Available in die form Operating Configuration UHF transponders can be implemented using an EM4222 chip and an antenna. Typical.

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Datasheet preview – EM4222

Datasheet Details

Part number EM4222
Manufacturer EM Microelectronic
File Size 127.17 KB
Description Read-Only UHF Identification
Datasheet download datasheet EM4222 Datasheet
Additional preview pages of the EM4222 datasheet.

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Full PDF Text Transcription

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EM MICROELECTRONIC - MARIN SA Preliminary EM4222 Read-only UHF Identification Device Description The EM4222 is used in passive UHF read-only transponder applications. It is powered up by an RF beam transmitted by the reader, which is received and rectified to generate a supply voltage for the chip. A preprogrammed code is transmitted to the reader by varying the amount of energy that is reflected back to the reader. It implements a robust and fast anti-collision protocol. The chip is frequency independent and is to be used for RF coupled applications. A reading range from 2m to 20m and reading rates up to 120 tags/second can be achieved, depending upon the system configuration. The Tag Talk First (TTF) protocol enables very simple reader implementation.
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