sri4k STMicroelectronics, sri4k Datasheet - Page 42

• Manufacturer Part Number: sri4k
• Description: 13.56 Mhz Short-range Contactless Memory Chip With 4096-bit Eeprom And Anticollision Functions
• Manufacturer: STMicroelectronics

Package mechanical
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Figure 53. A4 antenna specification
1. Drawing is not to scale.
Table 11.
Symbol
F
NOM
A1
B1
P
Q
A
B
A
Coil width
Coil length
Inlay width
Inlay length
Overall thickness of copper antenna coil
Silicon thickness
Unloaded Q value
Unloaded free-air resonance
H-field Energy for Device Operation
A4 antenna specification
Parameter
B1
B
A
A1
Type
14.5
110
180
15
15
19
19
30
123.5
14.5
14.5
18.5
18.5
Min
165
1.5
90
AI07696B
Max
15.5
15.5
19.5
19.5
130
195
dbµA/m
MHz
Unit
A/m
mm
mm
mm
mm
SRI4K
µm
µm