ADS1281 AD
S 12 81 www.ti.com SBAS378D – AUGUST 2007 – REVISED JUNE 2010 High-Resolution Analog-to-Digital Converter
Check for Samples: ADS1281 FEATURES DESCRIPTION The ADS1281 is an extremely high-performance,
single-chip
analog-to-digital
converter
(ADC)
designed for the demanding needs of energy
exploration and seismic monitoring environments.
The single-chip design promotes board area savings
for improvements in high-density applications. 1 2 High Resolution:
– 130dB SNR (250SPS)
– 127dB SNR (500SPS)
High Accuracy:
– THD: –122dB (typ), –115dB (max)
– INL: 0.6ppm
Inherently Stable Modulator with Fast
Responding Over-Range Detection
Flexible Digital Filter:
– Sinc + FIR + IIR (Selectable)
– Linear or Minimum Phase Response
– Programmable High-Pass Filter
– Selectable FIR Data Rates: …
