Single Chip 2.4GHz Transceiver

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The nRF24L01 is a single chip 2.4GHz transceiver with an embedded baseband protocol engine (Enhanced ShockBurst™), designed for ultra low power wireless applications. The nRF24L01 is designed for operation in the world wide ISM frequency band at 2.400 - 2.4835GHz. An MCU (microcontroller) and very few external passive components are needed to design a radio system with the nRF24L01.

The nRF24L01 is configured and operated through a Serial Peripheral Interface (SPI.) Through this interface the register map is available. The register map contains all configuration registers in the nRF24L01 and is accessible in all operation modes of the chip.

The embedded baseband protocol engine (Enhanced ShockBurst™) is based on packet communication and supports various modes from manual operation to advanced autonomous protocol operation. Internal FIFOs ensure a smooth data flow between the radio front end and the system’s MCU. Enhanced ShockBurst™ reduces system cost by handling all the high-speed link layer operations.

The radio front end uses GFSK modulation. It has user configurable parameters like frequency channel, output power and air data rate.

The air data rate supported by the nRF24L01 is configurable to 2Mbps. The high air data rate combined with two power saving modes makes the nRF24L01 very suitable for ultra low power designs.

Internal voltage regulators ensure a high Power Supply Rejection Ratio (PSRR) and a wide power supply range.

Symmetry Electronics is an authorized Nordic Semiconductor distributor.


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Worldwide 2.4GHz ISM band operation
Up to 2Mbps on air data rate
Ultra low power operation
11.3mA TX at 0dBm output power
12.3mA RX at 2Mbps air data rate
900nA in power down
22A in standby-I
On chip voltage regulator
1.9 to 3.6V supply range
Enhanced ShockBurst
Automatic packet handling
Auto packet transaction handling
6 data pipe MultiCeiver
Air compatible with nRF2401A, 02, E1 and E2
Low cost BOM
60ppm 16MHz crystal
5V tolerant inputs
Compact 20-pin 4x4mm QFN package


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Nordic Semiconductor Product Manual

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