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參數(shù)資料
| 型號(hào)： | EM4100B5WW7 |
| 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 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 186K |
| 代理商： | EM4100B5WW7 |
R
EM4100
Copyright 2004, EM Microelectronic-Marin SA
3
www.emmicroelectronic.com
Electrical Characteristics
V
DD
= 1.5V, V
SS
= 0V, f
C1
= 134kHz square wave, T
a
= 25°C
V
C1
= 1.0V with positive peak at V
DD
and negative peak at V
DD
-1V unless otherwise specified
Parameter
Symbol Test Conditions
Supply Voltage
Rectified Supply Voltage
Coil1 - Coil2 Capacitance
Power Supply Capacitor
C
sup
Biphase & Manchester
Versions
Supply Current
C2 pad Modulator ON
voltage drop
C1 pad Modulator ON
voltage drop
PSK Version
Supply Current PSK
C2 pad Modulator ON
voltage drop
Note 1) The maximum voltage is defined by forcing 10mA on COIL1 - COIL2
Note 2) The tolerance of the resonant capacitor is ± 15% over the whole production.
Optional reduced tolerance on request
On a wafer basis, the tolerance is ± 2%
Timing Characteristics
V
DD
= 1.5V, V
SS
= 0V, f
coil
= 134kHz square wave, T
a
= 25°C
V
C1
= 1.0V with positive peak at V
DD
and negative peak at V
DD
-1V unless otherwise specified
Timings are derived from the field frequency and are specified as a number of RF periods.
Parameter
Symbol
Read Bit Period
T
rdb
Min.
1.5
1.5
0.9
2.1
2.1
0.3
Typ.
74
2)
120
0.63
1.1
2.3
2.3
0.92
0.6
Max.
1)
1.5
1.3
2.8
2.8
2
0.9
Units
V
V
pF
pF
μA
V
V
V
μA
V
V
DD
V
DDREC
C
res
V
- V
= 2.8 VDC
Modulator switch = “ON”
V
coil
=100mVRMS f=10kHz
I
DD
V
ONC2
V
ONC1
V
DD
=1.5V I
VDDC2
=100μA with ref. to V
DD
V
DD
=5.0V I
VDDC2
=1mA with ref. to V
DD
V
DD
=5.0V I
VDDC1
=1mA with ref. to V
DD
I
DDPSK
V
ONC2PSK
V
DD
=1.5V I
VDDC2
=100μA with ref. to V
DD
Test Conditions
depending on option
Value
64, 32, 16
Units
RF periods
Timing Waveforms
BIT n
BIT n+1
BIT n+2
64, 32 or 16 T
OC
, depending on option
T
OC
COIL1
Serial Data Out
Fig. 4
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