ata5551 ATMEL Corporation, ata5551 Datasheet - Page 9

• Manufacturer Part Number: ata5551
• Description: Standard Read/write Id Transponder With Anti-collision
• Manufacturer: ATMEL Corporation

12. Application
Figure 12-1. Complete Transponder System with the Read/Write Reader IC U2270B
9211A–RFID–10/10
C31
5V
470kΩ
47nF
1.5nF
Atmel e5551
Transponder
4.7kΩ
ATA5551
Atmel
1N4148
1.35mH
22µF
680pF
1.2nF
R
V
DV
Input
COIL2
COIL1
DGND
Batt
S
Atmel U2270B
Read/write
V
circuit
EXT
f
Standby
res
Output
GND
Atmel ATA5551 Preliminary
CFE
Gain
= 1/(2π LC) = 125kHz
V
MS
OE
RF
S
100nF
110kΩ
I/O
I/O
I/O
I/O
I/O
Microcontroller
V
V
SS
DD
osc OUT
5V
osc IN
9