EM4100 datasheet(2/9 Pages) EMMICRO

2 / 9 page

EM4100

www.emmicroelectronic.com

Absolute Maximum Ratings

Parameter

Symbol

Conditions

Maximum DC Current forced

on COIL1 & COIL2

Power Supply

Storage Temp. Die form

Storage Temp. PCB form

Electrostatic discharge

maximum to MIL-STD-883C

method 3015

ICOIL

VDD

Tstore

VESD

±30mA

-0.3 to 7.5V

-55 to +200°C

-55 to +125°C

1000V

Stresses above these listed maximum ratings may cause

permanent damage to the device.

Exposure beyond specified operating conditions max affect

device reliability or cause malfunction.

Operating Conditions

Parameter

Symbol

Min.

Typ.

Max. Units

Operating Temp.

Maximum Coil

Current

AC Voltage on Coil

Supply Frequency

Top

ICOIL

Vcoil

fcoil

-40

100

14*

+85

150

°C

Vpp

kHz

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

limitation circuitry. This is according to the parameter Icoil in

the absolute maximum ratings.

Handling Procedures

This device has built-in protection against high static

voltages or electric fields; however due to the unique

properties of this device, anti-static precautions should be

taken as for any other CMOS component.

System Principle

Antenna

Driver

Oscillator

Demodulator

Filter

and

Gain

Data decoder

Data received

from transponder

Tranceiver

Transponder

Coil1

Coil2

EM4100

Signal on coils

Transponder coil

Transeiver coil

RF Carrier

Data

Fig. 3

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