SR176_07 Datasheet, PDF (31/35 Pages) STMicroelectronics – 13.56 MHz, 176-bit short range contactless user EEPROM with 64-bit Unique ID

SR176
Figure 48. A5 antenna specification
Package mechanical
A A1
B
B1
Table 11. A5 antenna specification
Symbol
Parameter
A Coil width
B Coil length
A1 Inlay width
B1 Inlay length
Overall thickness of copper antenna coil
Silicon thickness
Q Unloaded Q value
F_NOM Unloaded free-air resonance
P_A H-field energy for device operation
Type
42
65
46
70
140
180
30
14.8
Min
41.5
64.5
45.5
69.5
130
165
0.25
108
AI09071B
Max
Unit
42.5
mm
65.5
mm
46.5
mm
70.5
mm
150
µm
195
µm
MHz
A/m
dbµA/m
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