Description
Based on the single-channel ADS1271, the ADS1274 (quad) and ADS1278 (octal) are 24-bit, delta-sigma (ΔΣ) analog-to-digital converters (ADCs) with data rates up to 144k samples per second (SPS), allowing simultaneous sampling of four or eight channels.
Features
- 1.
- 234 Simultaneously Measure Four/Eight Channels.
- Up to 144kSPS Data Rate.
- AC Performance:
70kHz Bandwidth 111dB SNR (High-Resolution Mode).
- 108dB THD.
- DC Accuracy: 0.8μV/°C Offset Drift 1.3ppm/°C Gain Drift.
- Selectable Operating Modes: High-Speed: 144kSPS, 106dB SNR High-Resolution: 52kSPS, 111dB SNR Low-Power: 52kSPS, 31mW/ch Low-Speed: 10kSPS, 7mW/ch.
- Linear Phase Digital Filter.
- SPI™ or Frame-Sync Serial Interface.
ADS1274-etcTI.pdf
