• 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 reference up to 5 V • Two-channel differential input with internal temperature sensor (ADS1232) • Two-wire serial interface • Supply voltage range: 2.7 V to 5.3 V • Temperature range: –40°C to +105°C • Packages: TSSOP-24 (ADS1232)