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ADS7128IRTER 12-bit SAR ADC, 140kSPS sampling rate, 8 single-ended channels, I2C interface, 16-WQFN (3x3mm) package. Includes GPIOs, CRC, and RMS module.
Mfr Part #:

ADS7128IRTER

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
12-bit SAR ADC, 140kSPS sampling rate, 8 single-ended channels, I2C interface, 16-WQFN (3x3mm) package. Includes GPIOs, CRC, and RMS module.
✓ Total Stock: 2,284 pcs
$ Price Range: $2.61

ADS7128IRTER Available from 1 distributor

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✓ Non-Authorised
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2,284 pcs
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ADS7128IRTER Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Configuration
Data Interface
Features
Input Type
Mounting Type
Number of A
Number of Bits
Number of Inputs
Operating Temperature
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Reference Type
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Voltage
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ADS7128IRTER Description

Short technical summary and product information.

The ADS7128IRTER is a small, 8-channel, 12-bit, successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments. It operates with a maximum sampling rate of 140kSPS and uses an I2C interface supporting speeds up to 3.4 MHz. The device accepts single-ended analog inputs and features an external reference topology, with an input voltage range from 0V to 5.5V.

 

The ADC is powered by an analog supply from 2.35V to 5.5V and a digital supply from 1.65V to 5.5V, allowing flexible integration into mixed-voltage systems. Typical power consumption is 0.05mW. The device includes integrated features such as an internal oscillator, GPIOs, a comparator, CRC checking, root-mean-square (RMS) module, zero-crossing detection (ZCD), programmable averaging filter, analog watchdog, and event counter.

 

The ADS7128IRTER is housed in a 16-WFQFN exposed pad package measuring 3mm x 3mm (supplier package 16-WQFN). It is rated for surface mount assembly and operates over a -40°C to +85°C temperature range. The device offers eight configurable I2C addresses, making it suitable for multi-ADC bus configurations. Typical applications include mobile robot CPU boards, refrigerators, freezers, digital multimeters, and rack servers.

ADS7128IRTER Quick Information

Product Type: Analog-to-Digital Converter (ADC)
Canonical Name: Texas Instruments ADS7128IRTER Small 8-Channel 12-Bit SAR ADC with I2C Interface, GPIOs, and CRC
Subcategory: Precision ADC

ADS7128IRTER Compliance

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

ADS7128IRTER Estimated Pricing

Qty Low High
1+ $2.61 $2.61

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

ADS7128IRTER Features

  • 12-bit SAR ADC with 140kSPS sampling rate.
  • 8 single-ended input channels and I2C interface.
  • Built-in GPIOs, CRC, RMS, and ZCD modules.
  • Operates from 2.35V to 5.5V analog supply.
  • Surface mount 16-WQFN (3x3mm) package.

ADS7128IRTER Applications

  • Ideal for industrial sensor data acquisition.
  • Used in portable battery-powered measurement systems.
  • Suitable for multi-channel analog monitoring applications.
  • Applicable in IoT edge devices with I2C bus.

ADS7128IRTER FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resolution of the ADS7128IRTER?

The ADS7128IRTER has a resolution of 12 bits.

How many input channels does the ADS7128IRTER have?

It has 8 single-ended input channels.

What is the maximum sampling rate of the ADS7128IRTER?

The maximum sampling rate is 140 kSPS.

What data interface does the ADS7128IRTER use?

It uses an I2C interface.

What is the operating voltage range of the ADS7128IRTER?

The analog supply voltage range is 2.35V to 5.5V, and the digital supply voltage range is 1.65V to 5.5V.

What is the operating temperature range of the ADS7128IRTER?

The operating temperature range is -40°C to 85°C.

What package is the ADS7128IRTER available in?

It is available in a 16-WFQFN exposed pad package (16-WQFN 3x3 mm) for surface mount.

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