SR1120 Ultra-Low-Power UWB Transceiver SPARK microsystems

SR1120: UNLEASHING UWB FOR SUPERIOR WIRELESS CONNECTIVITY

SPARK’s SR1120 is a second-generation UWB wireless transceiver delivering up to 41 Mbps throughput with ultra-low power and very low latency. It enables high-performance short-range communications and ranging, and is designed for seamless coexistence with other RF standards. Ideal for applications that demand fast, energy-efficient wireless links with low latency and high data rates.

SPECIFICATIONS

Dynamically reconfigurable UWB spectrum

6.2–9.5 GHz band
Up to 3dBm TX power
RX sensitivity of -81 dBm

Antenna diversity support

Configurable Symbol Rate

20.48 MHz
27.31 MHz
40.96 MHz

Independent 2kbit TX and 2kbit RX FIFOs

Standard SPI and Quad-SPI interfaces

1.8 to 3.3 V supply

Industrial operating range: -40 to +85 °C

Package

4 x 4 mm 32 pin QFN
WLCSP ready

KEY BENEFITS

Ultra-low power

Reduced battery size
Increased battery life
Energy harvesting applications

Very-low latency

25 us airtime for 1 kbit
Ideal for time critical / time sensitive applications such as headsets, microphones, HID products, etc

Coexistence with

BLE, WiFi (2.4, 5 & 6 GHz) and Cellular

Low-cost BOM

32.768 kHz crystal
High-efficiency PCB antenna

Support for Carrier-Sense (CSMA) stack

SDK support

Evaluation kits available

THE DISTINCT ADVANTAGES OF THE SR1120 TRANSCEIVER

SR1120 TRANSCEIVER

2× Faster Data Rates
Extended Range
Multi-Antenna Support
Compliant with the upcoming IEEE 802.15.4ab low-energy UWB PHY standard

APPLICATIONS

From wireless audio streaming and computer peripherals to wearables, robotics, industrial control systems, IoT devices, and even medical interfaces, the SR1120 enables the development of responsive, efficient, and robust wireless solutions tailored for real-time performance.