ADS1258

ADS1258 ADS1258 www.ti.com SBAS297G – JUNE 2005 – REVISED MARCH 2011 16-Channel, 24-Bit Analog-to-Digital Converter Check for Samples: ADS1258 FEATURES 1 23 24 Bits, No Missing Codes Fixed-Channel or Automatic Channel Scan Fixed-Channel Data Rate: 125kSPS Auto-Scan Data Rate: 23.7kSPS/Channel Single-Conversion Settled Data 16 Single-Ended or 8 Differential Inputs Unipolar (+5V) or Bipolar (±2.5V) Operation Low Noise: 2.8μVRMS at 1.8kSPS 0.0003% Integral Nonlinearity DC Stability (typical): 0.02μV/°C Offset Drift, 0.4ppm/°C Gain Drift Open-Sensor Detection Conversion Control Pin Multiplexer Output for External Signal Conditioning On-Chip Temperature, Reference, Offset, Gain, and Supply Voltage Readback 42mW Power Dissipation Standby, Sleep, and Power-Down Modes 8 General-Purpose Inputs/Outputs (GPIO) 32.768kHz Crystal Oscillator or External Clock APPLICATIONS Medical, Avionics, and Process Control Machine and System Monitoring Fast Scan Multi-Channel Instrumentation Industrial Systems Test and Measurement Systems AVDD Internal Monitoring 1 Analog Inputs 16 AINCOM … 16:1 Analog Input MUX AVSS MUX OUT ADC IN DESCRIPTION The ADS1258 is a 16-channel (multiplexed), low-noise, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) that provides single-cycle settled data at channel scan rates from 1.8k to 23.7k samples per second (SPS) per channel. A flexible input multiplexer accepts combinations of eight differential or ...