TIADS1299
Overview
The ADS1299 is a low-noise, 8-channel, 24-bit simultaneous-sampling delta-sigma analog-to-digital converter designed specifically for biopotential measurements. It integrates a programmable gain amplifier (PGA), an internal reference, and an onboard oscillator into a single 64-TQFP package, providing a complete front-end for high-performance medical instrumentation.
Why Choose This Part
The device features an exceptionally low input-referred noise of 1.0 microvolts peak-to-peak at a 70Hz bandwidth, which is critical for non-invasive biopotential recording. It simplifies system design by integrating specialized circuitry for lead-off detection and bias drive (RLD), while consuming only 42mW across all 8 channels.
Applications
Key Specifications
Getting Started
Engineers can evaluate the chip using the ADS1299EEG-FE Performance Demonstration Kit, which includes the necessary hardware and software to capture data over a USB interface. Design involves configuring the device via a standard 4-wire SPI interface and managing the 5V analog and 1.8V to 3.6V digital supply rails.
