T5557 Datasheet, PDF (29/30 Pages) ATMEL Corporation – Multifunctional 330-bit Read/Write RF-Identification IC

T5557
Operating Characteristics Plastic Transponder
T_amb = 25°C, f_res = 125 kHz unless otherwise specified; For all other parameters please refer to IC characteristics
No. Parameters
Test Conditions
Symbol Min.
Typ. Max. Unit Typ
Inductance
L
4.0
mH
Capacitor
C
386.1
390
393.9 pF
Resonance frequency
Quality factor
Assembly temperature t < 5 min
Magnetic Field Strength (H)
H_pp = 20 A/m
T_ass
f_res
120
125
130 kHz
Q_LC
13
Q
175
°C
Max. field strength where
transponder does not modulate
No influence to other
transponders in the field
H_{pp not}
4
A/m
T
Field strength for operation
Programming mode
Maximum field strength
T_amb = -40°C
T_amb = 25°C
T_amb = 85°C
T_amb = 25°C
Modulation Range (see also H-DV curve)
H_{pp -40}
H_{pp 25}
H_{pp 85}
H_pp
H_{pp max}
30
A/m
Q
18
A/m
T
17
A/m
Q
50
A/m
T
600 A/m
Q
Modulation range
H_pp = 20 A/m
H_pp = 30 A/m
H_pp = 50 A/m
H_pp = 100 A/m
DV
4.0
V
6.0
8.0
8.0
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4517E–RFID–02/03