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參數(shù)資料
| 型號： | EM4102C4WW7 |
| 廠商： | EM Microelectronic |
| 英文描述： | Read Only Contactless Identification Device |
| 中文描述： | 只讀非接觸識別裝置 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 142K |
| 代理商： | EM4102C4WW7 |
R
EM4102
Copyright 2005, EM Microelectronic-Marin SA
1
www.emmicroelectronic.com
Read Only Contactless Identification Device
Description
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.
The programming of the chip is performed by laser fusing
of polysilicon links in order to store a unique code on each
chip.
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.
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. A parallel
resonance capacitor of 78 pF is also integrated.
Typical Operating Configuration
Features
□
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
□
Operating frequency 100 - 150 kHz
□
Very small chip size convenient for implantation
□
Very low power consumption
Applications
□
Animal implantable transponder
□
Animal ear tag
□
Industrial transponder
Coil1
Coil2
EM4102
L: typical 20.8mH for fo = 125kHz
Fig. 1
Pin Assignment
EM4102
COIL1
COIL2
VDD
VSS
COIL1
COIL2
Coil terminal / Clock input
Coil terminal
Fig. 2
EM MICROELECTRONIC
- MARIN SA
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