ADS1118 16-Bit AD Converter IC, 4 Channel, SMD SOP-10

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 SOP-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.

Quick Spec

• Resolution (Bits): 16
• Number of Input Channels: 4
• Max. Sample Rate (kSPS): 0.86
• Interface Type: SPI
• Architecture: Delta-Sigma
• Input Type: Differential, Single-Ended
• Multi-channel Configuration: Multiplexed
• Reference Mode: Int
• Input Voltage: 0 ~ 5.5V
• Operating Temperature: -40°C ~ +125°C
• Power Consumption (Typ) (mW): 0.3
• Analog Voltage AVDD: 2 ~ 5.5V
• Dimensions: 3 x 3mm
• Weight: 1g

Block Diagram

Code

Resources

• ADS1118 Datasheet
• User Guide

Shipping List

• 1 x ADS1118 16-Bit AD Converter IC - SMD SOP-10