EM4006F9WS21 datasheet(2/10 Pages) EMMICRO

2 / 10 page

EM4006

 2001, EM Microelectronic-Marin SA

www.emmicroelectronic.com

Absolute Maximum Ratings

Parameter

Symbol

Conditions

Maximum DC Current forced

on COIL1 and COIL2

ICMAX

±30mA

Power Supply

VDD

-0.3V to 7.5V

Storage Temp. Die form

Storage Temp. PCB form

Tst

-55 to +200°C

-55 to +125°C

Electrostatic discharge

maximum to MIL-STD-883C

method 3015

VESD

2000V

Stresses above these listed maximum ratings may cause

permanent damages to the device. Exposure beyond

specified operating conditions may affect device reliability

or cause malfunction.

Handling Procedures

This device has built-in protection against high static

voltages

electric

fields;

however,

anti-static

precautions must be taken as for any other CMOS

component. Unless otherwise specified, proper operation

can only occur when all terminal voltages are kept within

the voltage range. Unused inputs must always be tied to

a defined logic voltage level.

Operating Conditions

Parameter

Symb

Min

Typ

Max Units

Operating Temp.

Maximum Coil

Current

AC Voltage on Coil

Supply Frequency

Top

Icoil

Vcoil

fcoil

-40

-10

14*

13.56

+85

°C

Vpp

MHz

*) The AC Voltage on Coil is limited by the on chip

voltage limitation circuitry. This is according to the

parameter Icoil.

System Principle

Antenna

Driver

Oscillator

Demodulator

Filter

and

Gain

Data decoder

Data received

from transponder

Tranceiver

Transponder

Coil1

Coil2

EM4006

Signal on coils

Transponder coil

Transeiver coil

RF Carrier

Data

Fig. 3

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