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Synaptics Wireless Hero

SYN4375 Dual-Band Wi-Fi® + Bluetooth® Combo SoC with RSDB

The Synaptics SYN4375 system on chip (SoC) combines a dual-band (2.4 GHz, 5 GHz) Wi-Fi 2×2 MAC/baseband/radio with integrated Bluetooth 5.3 to reduce the space, cost, power, complexity, and time to market of wirelessly enabled IoT devices.

Applications

  • Multimedia streaming for the smart home
  • Automotive in-cabin entertainment
  • Personal area networks
  • Security
  • Smart factories/Industry 4.0

Benefits

  • High integration reduces footprint, cost, power, complexity, and time to market.
  • Operates in 2.4 GHz and 5GHz bands simultaneously with up to 1200 Mbps throughput.
  • RSDB allows the 2.4 GHz and 5 GHz radios to connect and stream multimedia content at the same time for optimum performance and more robust connectivity.
  • Allows multiple concurrent Bluetooth connections and audio streams.
  • Advanced Wi-Fi/Bluetooth radio co-existence capability for high quality of service (QoS) and robust connections.
  • Secure.
  • Seamless interoperability across multiple heterogeneous wireless networks.

SYN4375 block diagram

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FEATURES

  • Supports Wi-Fi 2.4/5 GHz with best CMOS RF, including integrated power amplifiers (PAs) and low-noise amplifiers (LNAs) (external PA and LNA optional) with highest transmit (Tx) power level and receive (Rx) sensitivity; capable of 1024 QAM over 10 meters.
  • IEEE 802.11ax compliant with legacy support for 802.11a/b/g/n/ac.
  • Supports real simultaneous dual-band (RSDB) operation at 2.4 and 5 GHz.
  • 20/40/80 MHz channels for the main (Main) 2x2 Wi-Fi core (1024-QAM modulation), and 20/40 MHz channels for the auxiliary (Aux) 2x2 Wi-Fi core (256-QAM modulation).
  • 2x2 Wi-Fi antenna array.
  • Zero wait dynamic frequency selection (DFS); background channel availability check (CAC) scan for immediate switch to candidate DFS channel.
  • Supports three antennas with one dedicated to Bluetooth and two to Wi-Fi.
  • Integrated Bluetooth 5.3 with support for Bluetooth Low Energy (BLE).
  • Internal Bluetooth PA supports two modes: Normal Output Power Mode (14 dBm) and High Output Power Mode (20 dBm).
  • Synaptics Smart Co-Ex for best-in-class coexistence of Wi-Fi and Bluetooth radios in the 2.4 GHz band.
 
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