Nordic Semiconductor nRF24AP2 ANT™ Low-Power Wireless Solution
Nordic Semiconductor nRF24AP2 Single-Chip ANT™ Ultra-Low Power Wireless Network Solution is a low-cost, high-performance 2.4GHz ISM single chip transceiver solution for Ultra Low Power (ULP) networks. Th nRF24AP2 integrates the power efficient ANT protocol stack, industry-leading 2.4GHz RF technology, and a critical low-power oscillator and timing features. The second-generation single-chip ANT solution acts as a bridge between ANT networks and computers, Mac books, and the Internet. The nRF24AP2-USB supports up to eight ANT channels and is ideal for hubs. This solution provides worldwide 2.4GHz ISM band operation. Typical applications include sports, wellness, home health monitoring, home/industrial monitoring, and environmental sensor networks.
Features
- Ultra low power 2.4GHz transceiver
- World wide 4GHz ISM band operation
- Based on nRF24L01+ transceiver
- GFSK modulation
- 1Mbps on-air data rate
- 1MHz frequency resolution
- 78 RF channels
- -85dBm sensitivity
- Up to 0 dBm output power
- ANT protocol stack
- Full implementation of the physical, data link, network- and transport OSI layers
- Packet-based communication – 8 byte payload per packet
- Optimized for ultra-low power operation
- ANT channels
- Logic communication channel between ANT nodes
- nRF24AP2-1CH supports 1 channel, ideal for sensors
- nRF24AP2-8CH support up to 8 channels, ideal for hubs
- Built-in timing and power management
- Built-in interference handling
- Configurable channel period from 5.2ms to 2s
- Broadcast, acknowledged and burst communication modes
- Burst data rate up to 20kbps
- Device search and pairing
- Wild-card searches
- Proximity searches
- Specific searches
- Automatic link establishment if correct device is found
- Automatic re-link attempt if link is lost
- Configurable search timeout
- Network topologies
- Point-to- point and star networks using independent ANT channels
- Shared networks: Polled data collection (N:1) by using ANT shared channel option
- Network management / ANT+
- Supports public and private (managed) networks
- Support for ANT+ system implementations enabling multi-vendor interoperability
- Background scanning channel
- Continuous scanning mode
- High density node support
- Improved channel search
- Channel ID management
- Improved transmission power control on a per channel basis
- Frequency agility
- Proximity search
- Power Management
- Fully controlled by ANT protocol stack
- On-chip voltage regulator
- Single DC supply operation
- 9.0V to 3.6V supply range
- Ultra low power operation
- Up to 50% lower average compared to nRF24AP1
- Up to 40% lower peak current compared to nRF24AP1
- 20µA average current consumption at 1Hz broadcast
- 71µA average current consumption at 4Hz broadcast
- On-chip oscillators and clock inputs
- 16MHz crystal oscillator supporting low-cost crystals
- 16MHz clock input
- Ultra low power 768kHz crystal oscillator
- 768kHz clock input
- Host interface
- Supports asynchronous and synchronous modes
- 5-pins for asynchronous
Applications
- Sports
- Wellness
- Home health monitoring
- Home/industrial automation
- Environmental sensor networks
- Active RFID
- Logistics/goods tracking
- Audience-response systems
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Block Diagram
Publicado: 2011-10-04
| Actualizado: 2024-02-13