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ADS1232, ADS1234 SBAS350G – JUNE 2005 – AREDVSIS1E2D3J2A,NAUDARSY12203241
SBAS350G – JUNE 2005 – REVISED JANUARY 2021
ADS123x 2- and 4-Channel, 24-Bit, Delta-Sigma ADCs for Bridge Sensors
1 Features
• Complete front-end for bridge sensors • 23.
5-bits effective resolution at gain = 1 • 19.
2-bits noise-free resolution at gain = 64 • Low-noise PGA • Selectable gains of 1, 2, 64, and 128 • RMS noise:
– 17 nV at 10 SPS at gain = 128 – 44 nV at 80 SPS at gain = 128 • 100-dB simultaneous 50-Hz and 60-Hz rejection • Flexible clocking: – Low-drift internal oscillator – Optional external crystal • Selectable 10-SPS or 80-SPS data rates • Easy ratiometric measurements: – External
voltage ...