sri512 STMicroelectronics, sri512 Datasheet - Page 43

• Manufacturer Part Number: sri512
• Description: 13.56-mhz Short-range Contactless Memory Chip With 512-bit Eeprom And Anti-collision Functions
• Manufacturer: STMicroelectronics

SRI512
Figure 53. A4 antenna specification
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
Type
14.5
110
180
15
15
19
19
30
A1
123.5
14.5
14.5
18.5
18.5
Min
165
1.5
90
Package mechanical
Max
15.5
15.5
19.5
19.5
130
195
AI07696B
dbµA/m
MHz
Unit
A/m
mm
mm
mm
mm
µm
µm
43/50