Overview
The NXP NXH3670UK/A1Z is a highly integrated, single-chip ultra-low power 2.4 GHz Bluetooth Low Energy (BLE) transceiver designed for wireless audio streaming applications. This device is particularly suited for use in hearables, wireless headsets, and headphones. It combines a 2.4 GHz RF transceiver, digital modem, and an embedded ARM Cortex-M0 microcontroller, making it a comprehensive solution for low-power wireless audio transmission.
Key Specifications
| Attribute | Value |
|---|---|
| Frequency Range | 2.36 GHz to 2.5 GHz |
| Data Rate | Up to 2 Mbps |
| Supply Voltage | 1.14 V to 1.26 V |
| Sensitivity | -94 dBm |
| Operating Temperature Range | -20°C to +85°C |
| Package Style | WLCSP-34 |
| Mounting Method | Surface Mount |
| Memory Size | 96 kB RAM, 128 kB ROM |
| Current - Receiving | < 7 mA |
| Current - Transmitting | < 10 mA |
| Serial Interfaces | GPIO, I²S, SPI, UART |
| Modulation | GFSK |
| Power - Output | Up to +4 dBm |
Key Features
- Ultra-low power consumption with sleep current < 63 μA and continuous RX/TX currents of < 3.7 mA and < 7.3 mA respectively at 1.2 V.
- Supports Bluetooth Low Energy (BLE) with 1 Mbps and 2 Mbps PHY modes.
- Integrated ARM Cortex-M0 microcontroller up to 16 MHz in low-power mode and 84 MHz in high-performance mode.
- Fully integrated PLL with no external loop filter components.
- Integrated power management with low voltage supply and supply generation for sensitive radio blocks.
- Flexible low-power states and integrated low-power crystal oscillator.
- AES-128 security coprocessor and packet processing capabilities.
- Multiple user interfaces including GPIO, I²S, SPI, and UART.
- CoolFlux DSP for audio processing and audio interfaces and accelerators.
Applications
- Wireless audio streaming for hearables, such as earbuds and smart earphones.
- Wireless headsets and headphones.
- Other low-power wireless audio devices requiring BLE connectivity.
Q & A
- What is the primary function of the NXP NXH3670UK/A1Z?
The primary function is to serve as an ultra-low power 2.4 GHz Bluetooth Low Energy transceiver for wireless audio streaming.
- What is the frequency range of the NXH3670UK/A1Z?
The frequency range is from 2.36 GHz to 2.5 GHz.
- What are the supported data rates?
The device supports data rates up to 2 Mbps.
- What is the supply voltage range for the NXH3670UK/A1Z?
The supply voltage range is from 1.14 V to 1.26 V.
- What is the sensitivity of the receiver?
The receiver sensitivity is -94 dBm.
- What is the operating temperature range?
The operating temperature range is from -20°C to +85°C.
- What type of package does the NXH3670UK/A1Z come in?
The device comes in a WLCSP-34 package.
- What microcontroller is integrated into the NXH3670UK/A1Z?
The device integrates an ARM Cortex-M0 microcontroller.
- What are the typical current consumptions for receiving and transmitting?
The typical current consumptions are less than 7 mA for receiving and less than 10 mA for transmitting at 1.2 V.
- What security features does the NXH3670UK/A1Z include?
The device includes an AES-128 security coprocessor.
- What are some common applications for the NXH3670UK/A1Z?
Common applications include wireless audio streaming for hearables, wireless headsets, and headphones.
