AX5051-QFN28-TU AXSEM, AX5051-QFN28-TU Datasheet - Page 39

• Manufacturer Part Number: AX5051-QFN28-TU
• Description: RF Transceiver General-Purpose-IC
• Manufacturer: AXSEM

Specifications of AX5051-QFN28-TU

• Number Of Receivers: 1
• Number Of Transmitters: 1
• Wireless Frequency: 433 MHz, 868 MHz, 915 MHz
• Interface Type: SPI
• Output Power: 17 dBm
• Operating Supply Voltage: 2.2 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 100 mA
• Minimum Operating Temperature: - 40 C
• Modulation: ASK, FSK, PSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dipole Antenna Interface
7.3.
The
VREG from the voltage applied at VDD_IO. Use VREG to supply all the VDD supply pins.
Version 1.9
AX5051
Voltage Regulator
Frequency
Band
868 / 915 MHz
433 MHz
has an integrated voltage regulator which generates a stable supply voltage
IC Antenna
Pins
L1
L2
Figure 6 Structure of the antenna interface to a dipole antenna
VREG
VREG
L1=L2
[nH]
18
33
C1
L3
L4
[pF]
C1
3.9
8
C2
L3=L4
[nH]
6.8
15
dipole
antenna
Application Information
[pF]
3.3
6.8
C2
Datasheet AX5051
39