Datasheet > MLX90109_06

MLX90109_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
迈来芯 - MELEXIS		/
页数	文件大小	规格书
15页	256K
描述
125kHz RFID Transceiver

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MLX90109_06 数据手册

MLX90109

125kHz RFID Transceiver

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 “on-chip” filtering for maximum sensitivity.

No zero modulation problems.

Low cost and compact design

SO8 package and high level of integration for compact reader design.

No external quartz reference required, only 2 resistors plus antenna.

On chip decoding for fast system design and ease of use.

Open drain data and clock outputs for 2-wire serial communication.

Applications Examples

Car Immobilizers

Portable readers

Access control

House held appliances

Ordering Information

Part No.

MLX90109

Temperature Code

C (0°C to 70°C)

E (-40°C to 85°C)

Package Code

DC (SOIC 8)

Option code

1 Functional diagram

2 Description

The MLX90109 is a single chip RFID transceiver

for the 125kHz frequency range. It has been

conceived for minimum system cost and minimum

power consumption, offering all required flexibility

for a state of the art AM transceiver base station.

An external coil (L), and capacitor (C) are

connected as a parallel resonant circuit, that

determines the carrier frequency and the oscillator

frequency of the reader. This eliminates zero

modulation effects by perfect antenna tuning, and

avoids the need for an external oscillator.

VDD

The reader IC can easily be switched to power

down by setting the antenna amplitude to zero.

The MLX90109 can be configured to decode the

transponder signal on-chip. In this case the

decoded signal is available through a 2-wire

interface with clock and data. For minimum

interface wiring, the non-decoded transponder

signal can also be made available on a single wire

interface.

3901090109

Rev 008

Page 1 of 15

Data Sheet

Jun/06

12 3 4 5 6 7...15

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