The ADS1294/6/8 family is a highly integrated and high-performance 8-channel 24-bit analog front-end chip for biopotential measurements. It features low power consumption, flexible input multiplexer, and programmable gain, making it suitable for scalable medical instrumentation systems.
The ADS1294/1296/1298 family provides an 8‑channel, low‑noise, low‑power analog front‑end designed for ECG, EEG and other biopotential applications. It integrates programmable gain amplifiers, a built‑in right‑leg drive, lead‑off detection, and a SPI‑compatible serial interface.
The device is offered in a 64‑ball BGA package and a TQFP‑64, operates from 2.7 V to 5.25 V analog supply, and supports data rates from 250 SPS up to 32 kSPS. Detailed electrical characteristics, noise performance tables, and mechanical drawings are provided throughout the document.
| Number of channels | 8 |
|---|---|
| Resolution | 24‑bit |
| Power consumption (low‑power mode) | 0.75 mW per channel |
| Input‑referred noise (gain = 6, 150 Hz BW) | 4 µVpp |
| Analog supply voltage range | 2.7 V – 5.25 V |
| Digital supply voltage range | 1.65 V – 3.6 V |
| Data‑rate range | 250 SPS – 32 kSPS |
| Operating temperature (standard grade) | 0 °C – +70 °C |
| Operating temperature (industrial grade) | -40 °C – +85 °C |
The device supports data rates up to 32 kSPS.
Analog supply can be 2.7 V to 5.25 V and digital supply 1.65 V to 3.6 V.
Yes, it has a built‑in right‑leg drive (RLD) amplifier.
The input‑referenced noise is 4 µVpp (150 Hz bandwidth).