AX5051-QFN28 datasheet, PDF - EEWORLD Datasheet

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AX5051-QFN28: DescriptionRF transceiver single chip RF for 433/868/915 mhz srd; Categorysemiconductor Other integrated circuit (IC); File Size1MB，45 Pages; ManufacturerAXSEM; Environmental Compliance

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AX5051-QFN28 Overview

RF transceiver single chip RF for 433/868/915 mhz srd

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DATASHEET

AX5051

Version 1.6

Table of Contents

Overview .................................................................................................................................... 6

1.1. Features ........................................................................................................................................... 6

1.2. Applications .................................................................................................................................... 6

Block Diagram ........................................................................................................................... 7

Pin Function Descriptions .......................................................................................................... 8

3.1. Pinout Drawing ............................................................................................................................... 9

Specifications .......................................................................................................................... 10

4.1. Absolute Maximum Ratings ........................................................................................................ 10

4.2. DC Characteristics ....................................................................................................................... 11

Supplies .......................................................................................................................................... 11

Logic ............................................................................................................................................... 12

4.3. AC Characteristics ....................................................................................................................... 13

Crystal Oscillator ........................................................................................................................... 13

RF Frequency Generation Subsystem (Synthesizer) ................................................................ 14

Transmitter...................................................................................................................................... 15

Receiver ......................................................................................................................................... 16

SPI Timing........................................................................................................................................ 18

Circuit Description ................................................................................................................... 19

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

VCO ................................................................................................................................................ 22

VCO Auto-Ranging ...................................................................................................................... 22

Loop Filter and Charge Pump .................................................................................................... 22

Version 1.6

Datasheet AX5051

Table of Contents

Registers ......................................................................................................................................... 22

5.6. RF Input and Output Stage (ANTP/ANTN) ................................................................................ 23

LNA.................................................................................................................................................. 23

I/Q Mixer......................................................................................................................................... 23

PA .................................................................................................................................................... 23

5.7. Analog IF Filter .............................................................................................................................. 23

5.8. Digital IF Channel Filter and Demodulator............................................................................... 23

Registers ......................................................................................................................................... 24

5.9. Encoder ......................................................................................................................................... 24

5.10.

Framing and FIFO ................................................................................................................... 25

HDLC Mode ................................................................................................................................... 26

RAW Mode..................................................................................................................................... 26

RAW Mode with Preamble Match............................................................................................. 26

802.15.4 (ZigBee)........................................................................................................................... 27

5.11.

5.12.

5.13.

5.14.

5.15.

RX AGC and RSSI .................................................................................................................... 27

Modulator ................................................................................................................................ 28

Automatic Frequency Control (AFC) .................................................................................. 28

PWRMODE Register ................................................................................................................ 29

Serial Peripheral Interface (SPI) ............................................................................................ 31

SPI Timing........................................................................................................................................ 31

Register Bank Description ....................................................................................................... 32

6.1. Control Register Map................................................................................................................... 33

Application Information.......................................................................................................... 37

7.1. Typical Application Diagram ..................................................................................................... 37

7.2. Antenna Interface Circuitry........................................................................................................ 38

Single-Ended Antenna Interface ............................................................................................... 38

Dipole Antenna Interface ........................................................................................................... 39

7.3. Voltage Regulator ....................................................................................................................... 39

Version 1.6

Datasheet AX5051

AX5051-QFN28 Related Products

	AX5051-QFN28	AX5051-QFN28T	AX5051-868-Mod	AX5051-DVK-915
Description	RF transceiver single chip RF for 433/868/915 mhz srd	RF transceiver single chip RF for 433/868/915 mhz srd	RF module and development tools module for ax5051	RF module and development tools dev kit for ax5051 usb/parallell port

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Shortcut: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

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