Item specifics
Description
NRF24L01P-R Product Overview
The NRF24L01P-R is an ultra-low power, high-performance 2.4GHz single-chip wireless transceiver from Nordic Semiconductor, part of the nRF24L01+ series (nRF24L01P is the product code for this series). It operates in the 2.4GHz ~ 2.525GHz global ISM band with GFSK modulation and communicates via an SPI interface. Housed in a compact QFN-20 (4×4mm) package, NRF24L01P-R integrates Enhanced ShockBurst™ hardware protocol accelerator, auto-acknowledgment and retransmission, CRC check, and RSSI. NRF24L01P-R supports 250kbps, 1Mbps and 2Mbps on-air data rates, with transmit power up to 0dBm and receiver sensitivity ranging from -82dBm to -94dBm. Fully compatible with nRF24L01, NRF24L01P-R is widely used in wireless PC peripherals, game controllers, sports watches and sensors, RF remote controls, home and commercial automation, ultra-low power sensor networks, active RFID, asset tracking systems, and toys.
NRF24L01P-R Key Features
High-Performance 2.4GHz Transceiver: NRF24L01P-R operates in the 2.4GHz ~ 2.525GHz ISM band with GFSK modulation. Integrates frequency generator, Enhanced ShockBurst™ controller, PA, crystal oscillator, modulator, and demodulator.
Flexible On-Air Data Rates: NRF24L01P-R supports 250kbps, 1Mbps, and 2Mbps programmable data rates.
Ultra-Low Power Consumption: NRF24L01P-R has only 11.3mA TX current (at 0dBm) and 13.5mA RX current. 900nA in power-down mode and 26μA in standby-I mode.
Enhanced ShockBurst™ Hardware Accelerator: NRF24L01P-R features built-in Enhanced ShockBurst™ with auto-acknowledgment and auto-retransmission. 6 data pipes with MultiCeiver support. Built-in CRC check.
RSSI Support: NRF24L01P-R provides Received Signal Strength Indication for real-time signal monitoring.
Wide Voltage & Temperature Range: NRF24L01P-R operating voltage 1.9V ~ 3.6V with 5V tolerant inputs. Temperature range -40℃ ~ +85℃.
Compact QFN-20 Package: QFN-20 (4×4mm) package with MSL Level 2 (1 year) .
NRF24L01P-R Applications
The NRF24L01P-R is widely used in:
Wireless PC Peripherals: Mice, keyboards, remote controls
Game Controllers: Wireless gamepads
Consumer Remote Controls: RF remote controls, media center remotes
Wearables: Sports watches, sensors
IoT & Sensor Networks: Ultra-low power sensor networks, active RFID, asset tracking
Home & Commercial Automation: Smart home, building automation
Audio Devices: VoIP headsets
Toys: Wireless remote control toys
NRF24L01P-R Key Advantages
Single-Chip Solution: NRF24L01P-R is a complete 2.4GHz transceiver integrated on a single chip.
Ultra-Low Power: NRF24L01P-R has 11.3mA TX, 13.5mA RX, 900nA power-down – battery life of months to years.
Flexible Data Rates: NRF24L01P-R offers 250kbps, 1Mbps, and 2Mbps options.
Enhanced ShockBurst™: Hardware protocol accelerator simplifies software development.
6 Data Pipes with MultiCeiver: Supports simultaneous reception from 6 different channels.
Drop-in Compatible: Fully compatible with nRF24L01.
5V Tolerant Inputs: Direct interface with 5V microcontrollers.
Mature Ecosystem: Complete development tools and extensive community support.
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FAQs:
1 What is the NRF24L01P-R QFN20 chip
NRF24L01P-R is a 2.4GHz ultra low power RF transceiver from Nordic Semiconductor commonly used for short range wireless data communication.
2 What modulation and data rates does it support
NRF24L01P-R supports GFSK modulation with configurable air data rates of 250kbps, 1Mbps, and 2Mbps to meet different distance and power consumption requirements.
3 What are the operating voltage and temperature ranges
The operating voltage is 1.9 volts to 3.6 volts and the industrial grade temperature range is from minus 40 degrees Celsius to plus 85 degrees Celsius.
4 What core protocol features does NRF24L01P-R have
NRF24L01P-R features a built in Enhanced ShockBurst hardware protocol engine supporting auto acknowledgment auto retransmission and 6 independent data pipes which greatly simplifies MCU software development.
5 What package and pin count does NRF24L01P-R use
NRF24L01P-R adopts a QFN20 no lead surface mount package with 20 pins and a compact footprint ideal for small wireless modules and space constrained PCBA designs.
6 How does it communicate with the host microcontroller
NRF24L01P-R communicates with the MCU via a standard 4 wire SPI bus interface. The MCU can send and receive wireless data by reading and writing internal configuration registers and data buffers through the SPI.
7 What application scenarios is this NRF24L01P-R suitable for
NRF24L01P-R is widely used in wireless mice and keyboards remote controls wireless sensor networks smart home switches and various low power remote control devices.
8 What should be noted in peripheral circuit design
The peripheral circuit requires a 16MHz crystal oscillator and a properly matched 2.4GHz antenna such as a PCB antenna or ceramic antenna. Decoupling capacitors should be placed near the power pins to ensure stable RF performance.
9 How is the power consumption and what power saving modes are available
NRF24L01P-R features extremely low power consumption and supports standby mode and power down mode. The current consumption is very low in power down mode making it ideal for battery powered low power portable devices.
10 What should be noted during debugging and connection
The SPI timing requirements must be strictly followed to ensure proper clock synchronization with the MCU. In multi node networks each node's data pipe and communication channel must be properly allocated to avoid co channel interference.