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ADS122U04IPW The ADS122U04IPW is a 24-bit, 2-kSPS, 4-channel delta-sigma ADC from Texas Instruments. It features a UART interface, programmable gain amplifier, internal voltage reference, and dual excitation current sources.
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ADS122U04IPW

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The ADS122U04IPW is a 24-bit, 2-kSPS, 4-channel delta-sigma ADC from Texas Instruments. It features a UART interface, programmable gain amplifier, internal voltage reference, and dual excitation current sources.
✓ Total Stock: 2,680 pcs
$ Price Range: $5.20

ADS122U04IPW Available from 1 distributor

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✓ Non-Authorised
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Optech Co.,Limited ✓
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2,680 pcs
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2680 pcs On Request 1 On Request On Request On Request On Request On Request
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ADS122U04IPW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Configuration
Data Interface
Data Rate (Max)
Features
Input Type
Mounting Type
Number of A
Number of Bits
Number of Inputs
Operating Temperature
Reference Type
Sampling Rate (Per Second)
Supplier Device Package
Voltage
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ADS122U04IPW Description

Short technical summary and product information.

The ADS122U04IPW is a precision 24-bit delta-sigma analog-to-digital converter from Texas Instruments. It offers a maximum sampling rate of 2 kSPS and supports up to four single-ended or two differential input channels. The device integrates a programmable gain amplifier (PGA) with gains from 1 to 128, an internal 2.048-V reference with 5 ppm/°C drift, and a 2% accurate internal oscillator.

 

The ADC communicates via a 2-wire UART interface with baud rates up to 120 kBaud and auto-baud detection. It includes dual-matched programmable current sources (10 µA to 1.5 mA) for sensor excitation, an internal temperature sensor with ±0.5°C accuracy, and three general-purpose I/Os. The digital filter provides single-cycle settling and simultaneous 50/60 Hz rejection at 20 SPS.

 

Operating from a 2.3 V to 5.5 V supply, the ADS122U04IPW consumes only 315 µA typical current (1.4 mW). It is specified for -40°C to 125°C operation. The device is available in a 16-pin TSSOP package (5 mm × 6.4 mm) for surface-mount assembly.

ADS122U04IPW Quick Information

Product Type: Analog-to-Digital Converter (ADC)
Canonical Name: Texas Instruments ADS122U04IPW 24-bit Delta-Sigma ADC
Subcategory: Delta-Sigma ADC

ADS122U04IPW Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ADS122U04IPW Estimated Pricing

Qty Low High
1+ $5.20 $5.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

ADS122U04IPW Features

  • 24-bit resolution with 2 kSPS sampling rate.
  • Four input channels with differential or single-ended mode.
  • Integrated PGA with gain from 1 to 128.
  • UART interface with auto-baud rate detection.
  • Low power consumption of 1.4 mW typical.

ADS122U04IPW Applications

  • Ideal for precision sensor measurement systems.
  • Used in temperature sensing with internal sensor.
  • Suitable for industrial process control applications.
  • Applicable in portable instrumentation due to low power.

ADS122U04IPW FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the ADS122U04IPW?

The analog and digital supply voltage range is 2.3 V to 5.5 V.

What package does the ADS122U04IPW come in?

The device is available in a 16-pin TSSOP package (5 mm × 6.4 mm) for surface-mount assembly.

What is the operating temperature range of the ADS122U04IPW?

The operating temperature range is -40°C to 125°C.

Is the ADS122U04IPW RoHS compliant?

The device is listed as RoHS3 compliant, but this is unverified.

What is the resolution and sampling rate of the ADS122U04IPW?

24-bit resolution with a maximum sampling rate of 2 kSPS.

Does the ADS122U04IPW have an internal reference?

Yes, it includes an internal 2.048-V reference with 5 ppm/°C typical drift.

What interface does the ADS122U04IPW use?

It uses a 2-wire UART interface with baud rates up to 120 kBaud and auto-baud detection.

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