ADS1158

ADS1158 ADS1158 www.ti.com SBAS429D – JUNE 2008 – REVISED MARCH 2011 16-Channel, 16-Bit Analog-to-Digital Converter Check for Samples: ADS1158 FEATURES 1 23 16 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 0.3LSB (INL) DC Stability: 1μV/°C Offset Drift, 2ppm/°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 Eight 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 1 Analog Inputs 16 AINCOM ¼ AVDD Internal Monitoring 16:1 Analog Input MUX AVSS MUX OUT ADC IN DESCRIPTION The ADS1158 is a 16-channel (multiplexed), low-noise, 16-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 16 single-ended inputs with a full-scale differential range of...