AX5131-TSSOP20-TU AXSEM, AX5131-TSSOP20-TU Datasheet - Page 3

• Manufacturer Part Number: AX5131-TSSOP20-TU
• Description: RF Transmitter TSSOP-Class-IC
• Manufacturer: AXSEM
• Type: Single Chip Transceiverr

Specifications of AX5131-TSSOP20-TU

• Package / Case: TSSOP-20
• Operating Frequency: 400 MHz to 940 MHz
• Maximum Operating Temperature: + 60 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.2 V to 3.6 V
• Supply Current: 100 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents
1.
1.1. Features ........................................................................................................................................... 5
1.2. Applications .................................................................................................................................... 5
2.
3.
3.1. Pin List ............................................................................................................................................... 7
3.2. Pinout Drawing ............................................................................................................................... 8
4.
4.1. Absolute Maximum Ratings .......................................................................................................... 9
4.2. DC Characteristics ....................................................................................................................... 10
4.3. AC Characteristics ....................................................................................................................... 12
5.
5.1. Voltage Regulator ....................................................................................................................... 17
5.2. Crystal Oscillator........................................................................................................................... 17
5.3. SYSCLK Output.............................................................................................................................. 18
5.4. Power-on-reset (POR) .................................................................................................................. 18
5.5. RF Frequency Generation Subsystem....................................................................................... 18
Version 1.0
Overview .................................................................................................................................... 5
Block Diagram ........................................................................................................................... 6
Pin Function Descriptions .......................................................................................................... 7
Specifications ............................................................................................................................ 9
Supplies .......................................................................................................................................... 10
Logic ............................................................................................................................................... 11
Crystal Oscillator ........................................................................................................................... 12
RF Frequency Generation Subsystem (Synthesizer) ................................................................ 13
Transmitter...................................................................................................................................... 14
SPI Timing........................................................................................................................................ 15
Circuit Description ................................................................................................................... 16
VCO ................................................................................................................................................ 19
VCO Auto-Ranging ...................................................................................................................... 19
Loop Filter and Charge Pump .................................................................................................... 19
Table of Contents
Datasheet AX5131
3