Datasheet > EM4102C4WT7E

EM4102C4WT7E

更新时间： 2024-11-07 04:40:31

品牌	Logo	应用领域
EMMICRO		装置
页数	文件大小	规格书
7页	134K
描述
Read Only Contactless Identification Device

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EM4102C4WT7E 数据手册

EM MICROELECTRONIC - MARIN SA

EM4102

Read Only Contactless Identification Device

Description

Features

The EM4102 (previously named H4102) is a CMOS

integrated circuit for use in electronic Read Only RF

Transponders. The circuit is powered by an external coil

placed in an electromagnetic field, and gets its master

clock from the same field via one of the coil terminals. By

turning on and off the modulation current, the chip will

send back the 64 bits of information contained in a factor

programmed memory array.

□

64 bit memory array laser programmable

Several options of data rate and coding available

On chip resonance capacitor

On chip supply buffer capacitor

On chip voltage limiter

Full wave rectifier on chip

Large modulation depth due to a low impedance

modulation device

The programming of the chip is performed by laser fusing

of polysilicon links in order to store a unique code on each

chip.

□

Operating frequency 100 - 150 kHz

Very small chip size convenient for implantation

Very low power consumption

The EM4102 has several metal options which are used to

define the code type and data rate. Data rates of 64, 32

and 16 periods of carrier frequency per data bit are

available. Data can be coded as Manchester, Biphase or

PSK.

Applications

□

Animal implantable transponder

Animal ear tag

Industrial transponder

Due to low power consumption of the logic core, no

supply buffer capacitor is required. Only an external coil

is needed to obtain the chip function.

resonance capacitor of 78 pF is also integrated.

A parallel

Typical Operating Configuration

Pin Assignment

Coil1

VSS

VDD

EM4102

COIL2

COIL1

Coil2

L: typical 20.8mH for fo = 125kHz

COIL1

COIL2

Coil terminal / Clock input

Coil terminal

Fig. 1

Fig. 2

www.emmicroelectronic.com

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