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Texas Instruments ADS1219IRTET — Crystals & Oscillators
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Texas Instruments / Crystals & Oscillators

ADS1219IRTET 24-Bit Sigma-Delta ADC – Texas Instruments

MPN ADS1219IRTET
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Texas Instruments ADS1219IRTET, 24-bit sigma-delta ADC, 1 kSPS, I²C interface, programmable gain amplifier (PGA), 4-channel input MUX, differential/single-ended, 16-WQFN (3x3 mm), -40°C to 125°C

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Unit Price (USD)
$10.38 / pc
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$10.38 / ea

2 in stock — maximum per order · 3–4 days lead time
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100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP
[SPEC] Essential Parameters Snapshot Full Specifications (16)
Package / Case 16-WFQFN Exposed Pad
Supply Voltage 2.3V ~ 5.5V

Full Technical Specifications

16 Parameters
ADS1219IRTET specifications
Parameter / AttributeSpecification / Value
Input typeDifferential, Single Ended
MountingSurface Mount
Reference typeExternal, Internal
Voltage - supply, analog2.3V ~ 5.5V
Voltage - supply, digital2.3V ~ 5.5V
I/O channels4
Data interfaceI²C
Operating temperature-40°C ~ 125°C
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesPGA
ArchitectureSigma-Delta
ConfigurationMUX-ADC
Number of bits24
Case16-WFQFN Exposed Pad
Number of a (D converters)1
Sampling rate (Per second)1k
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Technical Details & Description

24-bit sigma-delta ADC with integrated PGA and MUX

The ADS1219IRTET is a 24-bit sigma-delta ADC from Texas Instruments, packing a 4-channel input multiplexer and a programmable gain amplifier (PGA) into a 16-WQFN (3x3 mm) package. It communicates over an I²C interface and accepts both differential and single-ended inputs, making it a compact front-end for precision sensor acquisition.

1 kSPS sampling with industrial temperature range

The 1 kSPS sampling rate suits low-bandwidth measurement channels such as thermocouples, strain gauges, or pressure transducers. Supply voltage for both analog and digital rails spans 2.3 V to 5.5 V, allowing single-supply operation from a 3.3 V or 5 V rail without a separate regulator for the digital core.

Active production – sourcing and package options

16-WQFN footprint and thermal pad

Frequently asked questions

What is the resolution of the ADS1219IRTET?

The ADS1219IRTET is a 24-bit sigma-delta ADC, providing 24-bit resolution.

Is the ADS1219IRTET pin-compatible with the ADS1115?

No, the ADS1115 is a 16-bit ADC in a different package (MSOP-10 or X2QFN-10) and does not share the same pinout or footprint as the ADS1219IRTET. They are not direct drop-in replacements.

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