U2270B-MFP Atmel, U2270B-MFP Datasheet - Page 12

• Manufacturer Part Number: U2270B-MFP
• Description: IC RFID BASEREADER 125KHZ 16SOIC
• Manufacturer: Atmel
• Series: U2270Br

Specifications of U2270B-MFP

• Rf Type: Read / Write
• Frequency: 125kHz
• Features: Read/Write Base Station
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4.2
12
Application 2
U2270B
Basic application using diode feedback. This application allows higher communication distances
than
Figure 4-2.
1.35 mH
Antenna
1.2 nF
100 k
.“Application 1”
75 k
1N4148
470 k
1N4148
82
4
Application Circuit 2
1.5 nF
43 k
C
4.7 nF
HP
68 k
C
IN
+
22 µF
RF
COIL2
COIL1
Input
HIPASS
V
S
DGND
V
EXT
U2270B
DV
GND
BC639
S
Standby
Output
V
CFE
Batt
MS
OE
+
+
22 µF
22 µF
I/O
controller
Micro-
360
V
V
DD
SS
4684E–RFID–02/08
GND
12V