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Texas Instruments ADS1118IRUGT — Analog & Data Acquisition

ADS1118IRUGT 16-Bit ADC, SPI, PGA, -40°C to 125°C

MPNADS1118IRUGT
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Texas Instruments ADS1118IRUGT, 16-bit Sigma-Delta ADC, SPI, 860 SPS, 2V to 5.5V supply, PGA, Temperature Sensor, Differential/Single-Ended Inputs, 10-X2QFN, -40°C to 125°C.

$6.6600Ref. price · indicative, final on quote
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Specifications

ADS1118IRUGT Technical Specifications
ParameterValue
Input typeDifferential, Single Ended
Mounting typeSurface Mount
Reference typeInternal
Voltage - supply, analog2V ~ 5.5V
Voltage - supply, digital2V ~ 5.5V
Number of inputs2, 4
InterfaceSPI
Operating temperature-40°C~125°C
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesPGA, Temperature Sensor
ArchitectureSigma-Delta
ConfigurationMUX-PGA-ADC
Number of bits16
Case10-XFQFN
Number of a (D converters)1
Sampling rate (Per second)860

Product details

16-bit ADC with PGA and temperature sensor — what it does on your board

It samples at 860 SPS and communicates over SPI, making it a compact single-chip solution for precision measurement in industrial and instrumentation designs.

Supply range and input flexibility — why it fits 3.3V and 5V systems

The input multiplexer accepts two differential or four single-ended channels, and the internal PGA amplifies small signals up to the full-scale range before conversion — useful for thermocouple or strain-gauge bridges where the signal is millivolt-level.

Temperature range — industrial and automotive environments

The on-chip temperature sensor lets you monitor ambient or board temperature without adding an external thermistor or digital sensor.

Package and footprint — 10-X2QFN layout considerations

The 10-X2QFN package measures 2 mm x 1.5 mm with a 0.50 mm pitch. Surface-mount assembly requires a controlled solder profile; the small footprint saves board space but demands careful decoupling close to the supply pins. The exposed pad on the underside should be soldered to a ground-plane island for thermal and electrical grounding.

Frequently asked questions

What is the difference between ADS1118IRUGT and ADS1118IDGST?

Both are the same 16-bit ADC with identical electrical specifications. The difference is the package: the IRUGT suffix indicates the 10-X2QFN package (2 mm x 1.5 mm), while the IDGST suffix indicates the 10-MSOP package. The pinout and function are identical; the choice depends on your board footprint and assembly process.

Can the ADS1118IRUGT be used with 5V logic?

Yes. The digital supply range is 2V to 5.5V, so the SPI interface can operate at 5V logic levels directly. No level shifter is needed when connecting to a 5V microcontroller.