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  • RF System on a Chip - SoC 2.4GHz BT low Energy 256KB Flash 16KB Ram RF System on a Chip - SoC 2.4GHz BT low Energy 256KB Flash 16KB Ram

RF System on a Chip - SoC 2.4GHz BT low Energy 256KB Flash 16KB Ram

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Quick Overview

PartNo: nRF51822-QFAA-R7
Type: Bluetooth
Core: ARM Cortex M0
Frequency: 2.4 GHz
Maximum Data Rate: 250 kb/s
Output Power: + 4 dBm to - 20 dBm
Sensitivity: - 92.5 dBm
Operating Supply Voltage: 1.8 V to 3.6 V
Supply Current Receiving: 9.5 mA
Supply Current Transmitting: 6.3 mA
Program Memory Size: 256 kB
Operating Temperature Range:
Package / Case: QFN-48

Availability: In stock

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Description

The nRF51822 is a powerful, highly flexible multiprotocol SoC ideally suited for Bluetooth? low energy and 2.4GHz ultra low-power wireless applications. The nRF51822 is built around a 32-bit ARM? Cortex? M0 CPU with 256kB/128kB flash + 32kB/16kB RAM for improved application performance. The embedded 2.4GHz transceiver supports both Bluetooth low energy and the Nordic Gazell 2.4 GHz protocol stack which is on air compatible with the nRF24L series products from Nordic Semiconductor.

 

nRF51822 incorporates a rich selection of analog and digital peripherals that can interact without CPU intervention through the Programmable Peripheral Interconnect (PPI) system. A flexible 31-pin GPIO mapping scheme allows I/O like serial interfaces, PWM and quadrature demodulator to be mapped to any device pin as dictated by PCB requirements. This enables complete design flexibility associated with pin-out location and function.

 

nRF51822 supports Bluetooth low energy protocol stacks as well as 2.4GHz protocol stacks, including Gazell, both available as downloads. nRF51822 requires a single power supply and gives the user the option of using on chip linear regulators giving a supply range of 1.8-3.6V, a direct 1.8V mode and a on chip DC-DC buck converter giving a supply range of 2.1-3.6V. The use of the DC-DC converter can be dynamically controlled during run time and enables nRF51822 to operate at radio peak currents below 10 mA @ 3V supply (TX @ 0 dBm & RX).

 

nRF51 SDK provides extensive software support for both Bluetooth low energy and 2.4GHz proprietary applications.

 

nRF51822 is available in 6x6mm 48-pin QFN packages and 3 ultra-compact wafer-level chip-scale packages (WL-CSP).

 

New: nRF51822 is now available as a thin WL-CSP variant measuring 3.83mm x 3.83mm with a height profile of just 0.35mm, and is drop in compatible with regular WL-CSP devices.

 

nRF51822 is available in either 256kB or 128kB Flash + 32kB or 16kB RAM variants.

 

Contact Infos:

Eva Liu

Email/skype: sales19@raypcb.com

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