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ZMD41201 Datasheet

  • ZMD41201

  • Analog Miscellaneous

  • 1頁

  • ETC

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ZMD41201
ISO 15693 Read/Write Wireless Tag IC
Features
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Passive transponder with on-chip energy storage
capacitor, hence no external supply buffer
capacitor is needed
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Operating at 13.56 MHz with on-chip tank
capacitor
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Anti-collision capability
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Communication range up to 1 meter
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2k bits of wireless-programmable EEPROM
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On-chip rectifier and voltage limiter
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ISO/IEC 15693 compliant
Description
The ZMD41201 is a fully integrated 13.56 MHz ISO
15693 compliant wireless tag transponder circuit. The
on-chip EEPROM can be written in downlink direction
and read in uplink direction by inductive coupling from
a reader. The power is also extracted from the reader
through inductive coupling. Due to the on-chip tank
capacitor, the ZMD41201 only needs an external coil.
The chip extracts its clocks from the incoming 13.56
MHz oscillation and the data from the envelope of the
oscillation. Data is transmitted by load-modulating the
incoming magnetic field.
Operating
Reference Data
Temperature Range .............................. -40 to 85擄C
Supply Voltage, V
DD
........................... 0.9 to 1.5 V
Typical Supply Current (activation field) ............7 碌A(chǔ)
Frequency Range....................... 13.56MHz
鹵7
kHz
Applications
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Access control and security
Material logistics and asset management
Contactless identification devices
Functional
Operation
Communication Procedure
1. The tag is powered up by the operating field generated by the reader
2. The tag is ready in idle mode
3. The reader sends a command
4. The tag responds to the command
Wireless tag (actual size)
Modes of Operation
ZMD41201
Modulation
Data Rate Selections
Downlink
10% or 100% selectable
Long distance: 1.65k bit/s
or
fast transmission: 36.48k bit/s
(ISO/IEC 15693 compliant)
Uplink
ASK or FSK selectable
Low: 6.65k bit/s
or
high: 26.6k bit/s*
Any combination is possible
*) High data rate is slightly depending on selected modulation (ASK or FSK).
For further information:
BU Wireless
Tel.: +49 (0)351 31530-370
Fax: +49 (0)351 31530-21
e-mail:
wireless@zmd.de
ZMD AG
Grenzstrasse 28
D-01109 Dresden
http://www.zmd.de
ZMD Neuch芒tel Office
Avenue Edouard-Dubois 20
Case postale 50, CH-2006 Neuch芒tel
Tel.: +41 327310-488 ; fax : +41 327310-490
Copyright 漏 2001,
ZMD
Zentrum Mikroelektronik Dresden AG
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior
written consent of the copyright owner. The information furnished in this publication is preliminary and subject to changes without notice.
Feature Sheet - 10/2001 鈥?Printed in Germany

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