AX5051-QFN28-TU AXSEM, AX5051-QFN28-TU Datasheet - Page 3

• 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

Table of Contents
1.
1.1. Features ........................................................................................................................................... 6
1.2. Applications .................................................................................................................................... 6
2.
3.
3.1. Pinout Drawing ............................................................................................................................... 9
4.
4.1. Absolute Maximum Ratings ........................................................................................................ 10
4.2. DC Characteristics ....................................................................................................................... 11
4.3. AC Characteristics ....................................................................................................................... 13
5.
5.1. Voltage Regulator ....................................................................................................................... 20
5.2. Crystal Oscillator........................................................................................................................... 20
5.3. SYSCLK Output.............................................................................................................................. 21
5.4. Power-on-reset (POR) and RESET_N Input ................................................................................ 21
5.5. RF Frequency Generation Subsystem....................................................................................... 21
Version 1.9
Overview .................................................................................................................................... 6
Block Diagram ........................................................................................................................... 7
Pin Function Descriptions .......................................................................................................... 8
Specifications .......................................................................................................................... 10
Supplies .......................................................................................................................................... 11
Logic ............................................................................................................................................... 12
Crystal Oscillator ........................................................................................................................... 13
RF Frequency Generation Subsystem (Synthesizer) ................................................................ 14
Transmitter...................................................................................................................................... 15
Receiver ......................................................................................................................................... 16
SPI Timing........................................................................................................................................ 18
Circuit Description ................................................................................................................... 19
VCO ................................................................................................................................................ 22
VCO Auto-Ranging ...................................................................................................................... 22
Loop Filter and Charge Pump .................................................................................................... 22
Table of Contents
Datasheet AX5051
3