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參數(shù)資料
| 型號(hào)： | EM4100A5WS27E |
| 廠商： | EM Microelectronic |
| 英文描述： | Read Only Contactless Identification Device |
| 中文描述： | 只讀非接觸識(shí)別裝置 |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 186K |
| 代理商： | EM4100A5WS27E |
R
EM4100
Copyright 2004, EM Microelectronic-Marin SA
2
www.emmicroelectronic.com
Absolute Maximum Ratings
Parameter
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
Symbol
I
COIL
V
DD
T
store
T
store
V
ESD
Conditions
±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
Operating Temp.
Maximum Coil
Current
AC Voltage on Coil
Supply Frequency
Symbol Min. Typ. Max.
T
op
I
COIL
V
coil
f
coil
100
Units
°C
mA
Vpp
kHz
-40
3
14*
+85
10
150
*) The AC Voltage on Coil is limited by the on chip voltage
limitation circuitry. This is according to the parameter I
coil
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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