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In the past two years, Nordic has demonstrated its leading position in the field with the introduction of several highly integrated single-chip CMOS 2.4GHz wireless chips. The nRF24Z1 features Nordic's latest 4Mbit/s MegaZtreamTM technology and ultra-low power technology, providing full functionality including wireless transmission and digital audio interfaces in a 6x6mm package.The nRF24Z1 uses the MegaZtreamTM platform, which is more challenging than existing WLAN, Bluetooth and other technologies for wireless transmission of CD audio. MegaZtreamTM uses a powerful 2.4GHz wireless transceiver core up to 4Mbps, which provides enough bandwidth for high-quality audio transmission, and also provides two-way transmission of control information such as volume, balance, display, etc. The perfect combination of use, performance and cost.
Powerful audio processing functions and interfaces · I2S serial interface provides a seamless interface with a variety of low-cost A / D, D / A.
· S/PDIF interface provides direct interface with PC and surround devices · Input supports 24 bit resolution and 96Kspl / s sampling rate · Output supports 16 bit resolution and 48kspl / s sampling rate · Programmable low build Chain time 2-18ms
· SPI or I2C compatible 50Kbps digital control data bidirectional transmission · Optimized design to ensure good system performance
o Frequency hopping transmission, high anti-interference
o Retransmission mechanism
o Multiple low power modes
· 5mA average current MP3 data @ 192Kbit/s
· 15mA average current LPCM data @ 1.5Mbit/s
· Power saving mode 3uA
· Built-in on-chip voltage regulator
o Operating voltage range 2.0V to 3.6V
o Good noise suppression · Very few external components · 36-pin 6x6mm QFN package package, green process
Application · CD Wireless Headset Headset
· MP3 Wireless Headset · MD Wireless Headset · Wireless Speaker · Wireless Surround System · PC and HiFi System Connection · Wireless Audio Download (from PC to MP3 player)
The nRF24Z1TM sample and evaluation board is expected to be available in February 2005 and is expected to be in volume production in April 2005. The recommended price is $4.00 in quantities of 10,000.
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