MLX90109EDC Melexis Inc, MLX90109EDC Datasheet

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Features and Benefits Integrated RFID transceiver Adressing 100kHz to 150kHz frequency range transponder. Biphase and Manchester ASK. ON/OFF keying modulation. Low Power and high performances Unique Parallel Antenna concept for maximum power efficiency. Power down mode available. Baud rate selectable ...

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Table of Contents 1 Functional diagram .................................................................................................................................... 1 2 Description................................................................................................................................................. 1 3 Maximum ratings........................................................................................................................................ 3 4 Pad definitions and descriptions ................................................................................................................. 3 5 MLX90109 Electrical Specifications............................................................................................................ 4 6 Block Diagram ........................................................................................................................................... 5 7 General Description ................................................................................................................................... 5 7.1 Loop Gain ...

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Maximum ratings Supply voltage (V with respect Input voltage on any pin (except COIL, DATA and CLOCK) Input voltage on COIL, DATA and CLOCK Maximum junction temperature Table 1: Absolute maximum ratings Exceeding the ...

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MLX90109 Electrical Specifications DC Operating Parameters T = -40 A Antenna parameters 73.6uH, Q ant Parameter. Symbol Supply Voltage V Resonance Frequency F res Frequency drift with temperature V Sensitivity (note 1) Amplitude Offset V (note 2) ...

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Block Diagram 7 General Description 7.1 Loop Gain Oscillator The oscillator frequency is locked on the antenna resonance frequency. The clock is derived from the oscillator. In this way, its characteristics are locked to the transmission frequency. As the ...

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Digital demodulator The MODE pin allows to define whether the MLX90109 will issue directly the filtered data stream on the DATA pin (MODE floating), or decode it in Manchester (MODE = V two decoding modes, the MLX90109 issues the ...

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System design parameters The antenna internal driver is switched on as soon as the antenna voltage V(COIL) drops below V graphical representation below). The MLX90109 will inject a current Idriver into the antenna to make its amplitude follow the ...

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A typical coil quality factor (Q ) value is 23, resulting in antenna currents of about 100mA ant This current resonance of the parallel antenna allows to build very low power reader base stations, contrary to serial antenna based versions. ...

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Note for equation (5): Mind that the quality factor of the antenna (Q and the quality factor of the capacitance as (9) ant coil capaci tan ce So, a capacitance with a low quality factor may ...

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Power consumption If the power consumption is not critical and the reader does not have to be put in power down, the MODU voltage can be strapped to the required level (between 0.8V and V be reduced by controlling ...

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Typical configuration: READ/WRITE ON/OFF keying (FDX-B100) 10.1 Application diagram The basic principle is to switch the voltage on MODU between 0V and V maximum amplitude in less than 3 periods when MODU is stepped down from V power-down (set ...

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Standard information regarding manufacturability of Melexis products with different soldering processes Our products are classified and qualified regarding soldering technology, solderability and moisture sensitivity level according to following test methods: Reflow Soldering SMD’s (Surface Mount Devices) IPC/JEDEC J-STD-020 Moisture/Reflow ...

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FAQ 13 possible to make proportional modulation (depth less than 100%) with the MLX90109? The amplitude of the MLX90109 antenna can be adjusted on the fly by changing the MODU pin level between V = 0.8V and ...

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Package Information 14.1 Plastic SO8 The device is packaged pin lead free SO package (ROHS compliant MSL1/260°C all Dimension in mm, coplanarity < 0.1mm D E1 ...

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Disclaimer Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Melexis makes no warranty, express, statutory, implied description regarding the information set forth herein or regarding the ...