Description
The ADS1257 is a low-noise, 30-kSPS, 24-bit, deltasigma (ΔΣ) analog-to-digital converter (ADC) with an integrated multiplexer (mux), input buffer, and programmable gain amplifier (PGA) in a small 20-pin, 5-mm × 5-mm VQFN package.
Features
- 1 Up to 23-Bits Noise-Free Resolution.
- Small 5-mm × 5-mm VQFN Package.
- 4 Analog Inputs.
- 2 Differential or 3 Single-Ended Measurements.
- Excellent DC Performance.
- Offset Drift: 4 nV/°C (Gain = 64).
- Gain Drift: 0.8 ppm/°C.
- Nonlinearity: 3 ppm (Gain = 1).
- Programmable Data Rates: 2.5 SPS to 30 kSPS.
- Single-Cycle Settled Conversions (≤ 1000 SPS).
- 50-Hz and 60-Hz Rejection.
- High Impedance Input.
ADS1257-etcTI.pdf
