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NXH3670UK Dataheets PDF



Part Number NXH3670UK
Manufacturers NXP
Logo NXP
Description Bluetooth Low Energy transceiver
Datasheet NXH3670UK DatasheetNXH3670UK Datasheet (PDF)

NxH3670UK Ultra-low power 2.4 GHz Bluetooth Low Energy transceiver for audio streaming Rev. 3.4 — 8 February 2022 Product data sheet 1 General description The NXH3670UK constitutes a highly integrated, single chip ultra-low power 2.4 GHz wireless transceiver with embedded MCU, targeted at wireless audio streaming for hearables, wireless headsets, and headphones. The NXH3670UK chip integrates the following key functionalities – among others: • A 2.4 GHz RF transceiver and digital modem supp.

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NxH3670UK Ultra-low power 2.4 GHz Bluetooth Low Energy transceiver for audio streaming Rev. 3.4 — 8 February 2022 Product data sheet 1 General description The NXH3670UK constitutes a highly integrated, single chip ultra-low power 2.4 GHz wireless transceiver with embedded MCU, targeted at wireless audio streaming for hearables, wireless headsets, and headphones. The NXH3670UK chip integrates the following key functionalities – among others: • A 2.4 GHz RF transceiver and digital modem supporting up to 2 Mbits/s • Supporting Bluetooth Low Energy GFSK modulation 1 Mbps and 2 Mbps • A low-power 16 MHz/32 MHz crystal oscillator and on-chip oscillators • An RF MAC for supporting the lower protocol layers • A Cortex-M0 subsystem for system control and higher protocol layers • An AES-128 security coprocessor • Audio interfaces and audio processing accelerators • A CoolFlux DSP for audio processing • Multiple user interfaces for control, data, debug, and test CAUTION This device is sensitive to ElectroStatic Discharge (ESD). Observe precautions for handling electrostatic sensitive devices. Such precautions are described in the ANSI/ESD S20.20, IEC/ST 61340-5, JESD625-A, or equivalent standards. CAUTION Semiconductors are light sensitive. Exposure to light sources can cause the IC to malfunction. The IC must be protected against light. The protection must be applied to all sides of the IC. Unless otherwise specified: • Typical values are at room temperature (25 °C) with nominal supply voltages of 1.2 V. • Minimum/Maximum values are valid over operating temperature and voltage range as specified in Table 26. NXP Semiconductors NxH3670UK Ultra-low power 2.4 GHz Bluetooth Low Energy transceiver for audio streaming 2 Features and benefits • Transceiver characteristics – 2.402 GHz to 2.480 GHz carrier frequency – Bluetooth Low Energy 1 Mbps and 2 Mbps PHY modes – 2 MHz channels in 1 Mbps and 2 Mbps modes • Receiver characteristics: – Sensitivity −90 dBm in Bluetooth Low Energy 2 Mbps modulation mode – Sensitivity −94 dBm in Bluetooth Low Energy 1 Mbps modulation mode – Frequency offset correction up to ±300 kHz. – RSSI measurement with ±3 dB accuracy • Transmitter characteristics: – Programmable TX output power of −10 dBm to +4 dBm in steps of 2 dBm • Synthesizer characteristics: – Fully integrated PLL, no external loop filter components • Integrated power management: – Low voltage supply 1.2 V – Integrated supply generation for sensitive radio blocks – Integrated supply generation for digital and memories – Flexible low-power states • Clock generation: – Integrated low-power crystal oscillator – Support for 16 MHz or 32 MHz crystals with ±60 ppm accuracy and crystal trimming – On chip oscillators, including ultralow-power oscillator • Low current consumption: – Sleep current < 63 μA – Continuous RX current < 3.7 mA at 1.2 V – Continuous TX current < 7.3 mA at 1.2 V (0 dBm output power) • MCU subsystem: – ARM Cortex-M0 up to 16 MHz in low-power mode and 84 MHz in high-performance mode – Flexible DMA engine – Serial debug interface • Control/Data interfaces: – SPI slave – UART – GPIOs • RF MAC: – Dedicated RF MAC accelerator – AES security coprocessor – Packet processing – Timers – CRC, whitening NXH3670UK Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3.4 — 8 February 2022 © NXP B.V. 2022. All rights reserved. 2 / 45 NXP Semiconductors NxH3670UK Ultra-low power 2.4 GHz Bluetooth Low Energy transceiver for audio streaming • Audio interfaces and processing – I2S and TDM interface – G.722 codec accelerator – CoolFlux DSP up to 16 MHz in low-power mode and 84 MHz in high-performance mode – Asynchronous sample rate converter (ASRC) – Latency control • Host-assisted boot via SPI • Certified for Bluetooth specification version 4.2 • WLCSP package < 7.25 mm2 (maximum die size after sawing) with 34 bumps • Low number of external passive components • Pb-free and compliant with RoHS Directive 2011/65/EU (RoHS 2) • Operating temperature -20 °C to +85 °C 3 Applications The main application target is gaming headsets, wireless headsets, and headphones. Thanks to its support for audio, control and data, the NXH3670UK can be used in many applications where ultra-low power and small size are required. Additional typical applications are mobile phone accessories and computer peripherals. 4 Ordering information Table 1. Ordering information Type number Package Name Description NXH3670UK WLCSP34 waver level chip-scale package; 34 bumps; 2.45 × 2.87 × 0.38 mm Version SOT1403-1 NXH3670UK Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 3.4 — 8 February 2022 © NXP B.V. 2022. All rights reserved. 3 / 45 NXP Semiconductors NxH3670UK Ultra-low power 2.4 GHz Blue.


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