The ADS1118 is a precision, low power, 16-bit analog-to-digital converter (ADC) that provides all features necessary to measure the most common sensor signals in an ultra-small, leadless X2QFN-10 package or a VSSOP-10 package. The ADS1118 integrates a programmable gain amplifier (PGA), voltage reference, oscillator and high-accuracy temperature sensor. These features, along with a wide power supply range from 2 V to 5.5 V, make the ADS1118 ideally suited for power- and space-constrained, sensor-measurement applications.

The ADS1118 can perform conversions at data rates up to 860 samples per second (SPS). The PGA offers input ranges from ±256 mV to ±6.144 V, allowing both large and small signals to be measured with high resolution. An input multiplexer (MUX) allows to
measure two differential or four single-ended inputs.The high-accuracy temperature sensor can be used for system-level temperature monitoring or cold- junction compensation for thermocouples.
The ADS1118 operates either in continuous- conversion mode, or in a single-shot mode that automatically powers down after a conversion. Single-shot mode significantly reduces current consumption during idle periods. Data are transferred through a serial peripheral interface (SPI™). The ADS1118 is specified from –40°C to +125°C.


  • Type: Module
  • Low Current Consumption:
    • Continuous Mode: Only 150uA
    • Single Mode: Automatic Power Off
  • Supply Voltage: Dc2-5.5v
  • Operating Ambient Temperature: -40°C To 125°C
  • Temperature Resolution: 0.03%
  • Temperature Accuracy: 0.4°C
  • Interface Communication Type: SPI
  • Size: 16*16*3mm/0.62*0.62*0.12in, With Two M3 Mounting Holes


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