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2.4G RF chip

Specification

XN297       2.4G Transceiver

More Power More Distance

 

Key acteristics

Operating Frequency:2400~2483MHz

Frequency Channel: 1MHz@1Mbps 2MHz@2Mbps

Data Rate:1/2Mbps

Transmit Power: -11~11dBm

RX Sensitivity: -88dBm@1Mbps -85dBm@2Mbps

Crystal frequency: 16MHz±60ppm

Operating Voltage: 2.0~3.6V

Operating Temperature: -40~85℃

 

Application

Wireless mouse and keyboard

Wireless gaming controller and toys

Smart TV remote controller

Active radio

Smart Home and security systems

Industrial sensors and wireless industrial equipment

 

Current

PowerDown:2A

StandbyI:50uA

TX: 23mA@8dBm  15mA@1dBm

RX: 14mA@1Mbps 15mA@2Mbps

 

Typical external components

Inductor 3 / capacitance 9 / Resistance 2

16MHz crystal oscillator 1

 

Communication features

Integrated data process and state control

Transfer up to 64-byte packets

Multi-level FIFO data storage

8Mbps SPI Interface rate

Burst and Enhanced communication

Automatic answer and automatic retransmission

GFSK modulation

RSSI detection

Address Identify and CRC Check

Support Multiceiver

50 meters communication distance

 

Package

QFN20L(0404/0303)

COB

 

Pin assignment

Support of Hardware and software

PCB layout / microstrip antenna / cost reduction BOM

Hopping algorithm / current optimization / enhanced mode

 

Block diagram