TMR6218LA MULTIDIMENSION | Alldatasheet

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Technical content

18 Channels TMR Magnetic Pattern Recognition Sensor

The TMR6218LA is a type of 18 channels magnetic pattern recognition sensor with high consistency, high sensitivity and high signal-to-noise ratio performance, it is used for detecting full size of the paper bills, bank notes and security documents with magnetic anti -counterfeiting consists. The TMR6218LA consist of TMR magneto -resistance sensor, high -quality magnet, high-strength plastic base and durable non-magnetic stainless steel cover; and the TMR6218LA is 21mm. Features and Benefits  High sensitivity and excellent gap performances  Sensitivity matching of each channel  Output voltage is independent of scanning speed  Differential output, high CMRR performance  Durable metal case, suitable for long time and heavy load situations  180mm detection width, no non-detection area  18 channels, 10mm detection width per channel

Applications

 ATM  Bill counter and validator  Bill sorter  Magnetic detection of the paper bills TMR6218LA Pin Configuration ③④⑤

  • ·· MR01 MR02 MR18 CH1 CH2 CH18 TMR Sensor Bias Magnet Pin Number Block Diagram (Top View) Pin No. Symbol Description

1 VO+ (n) Differential positive output of channel n

2 VCC (n) Power supply of channel n

3 VO- (n) Differential negative output of channel n

4 GND (n) Ground of channel n

5 Shell GND Shell GND, connected to shielding ground

Parameter Symbol Limit Unit Maximum Supply Voltage VCC 5.5 V Operating Temperature TA -20 ~ 65 °C Storage Temperature Tstg -30 ~ 85 °C Operating Humidity HMD 10 ~ 90 (no dew) %RH ESD (HBM) VHBM 2000 V Electrical Property (VCC=5V, TA=25oC) Parameter Symbol Conditions Min Typ Max Unit Sensitivity S(1) VCC=5V TBD VPP Resistance R No external magnetic field 0.5 3 kOhm Output Offset Voltage VOS VCC=5V -75 75 mV/V Noise VN (2) VCC=5V 50 μVPP Surface Magnetic Field B On sensing surface(S pole) 800 G Sensitivity Deviation ΔS (SMAX – SMIN) /SMEAN 0 0.67 V/V Number of Channels C 18 Detection Width per Channel W 10 mm Resolution T 0.475 mm Notes: (1) According to the MultiDimension sensitivity measurement. (2) The amplifier’s gain is 10000V/V@1kHz, no external magnetic field applied, measure the peak -to-peak voltage VPP, then noise V N = VPP/10000. Caution for Use  The sensor contains a permanent magnet, it will cause the recordable magnetic media damaged, such as cassette tapes, floppy disks, credit cards, hard drives, keep it away from such types of magnetic media.  To avoid the ferromagnetic particles being collected from a dirty environment.  Magnets tend to snap to each other or the magnetic metals, be careful when handling the sensor not to apply mechanical shock, otherwise the sensors might be abnormal or break.  Do not place the sensor near the person who has an electronic medical device. It is very dangerous and may cause malfunction of an electronic medical device.  Magnetic devices may be subject to special transport regulations.  To avoid the abrasion of the sensor’s metal case or stuck the banknote, about 0.1mm gap between the sensor and the opposite side such as rollers is recommended to reduce the pressure of the sensor’s metal case.  To avoid excessive force on terminals, please mount the sensor’s base firmly on the PCB and solder all the terminals.  Hand soldering should be applied, the soldering temperature should be 350± 10oC less than 3 seconds or 260± 5oC less than 10 seconds

Outline Drawing and Dimensions Recommended Pad Layout Bottom View Front View Top View Side View TMR6218LA Mechanical Drawings (Unit: mm) Notes: The notch pitch on metal cover of the TMR6218LA is 21mm. Recommended Application Circuit Notes: Shell GND pin should be connected to the shielding ground.

MultiDimension Technology Co., Ltd. Address:No.7 Guangdong Road, Zhangjiagang Free Trade Zone, Jiangsu, 215634, China Web: www.dowaytech.com/en Email: info@dowaytech.com The information provided herein by MultiDimension Technology Co., Ltd. (hereinafter MultiDimension) is believed to be accurate and reliable. Publication neither conveys nor implies any license under patent or other industrial or intellectual property rights. MultiDi mension reserves the right to make changes to product specifications for the purpose of improving product quality, reliability, and functionality. MultiDimension does not assume any liability arising out of the application and use of its products. MultiDimension’s customers using or selling this product for use in appliances, devices, or systems where malfunction can reasonably be expected to result in personal injury do so at their own risk and agree to fully indemnify MultiDimension for any damages resulting from such applications.