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ADS1212U The ADS1212U is a 22-bit Sigma-Delta analog-to-digital converter with SPI interface, differential inputs, and programmable gain amplifier (PGA) in an 18-SOIC package.
Mfr Part #:

ADS1212U

Available from 1 distributors
Mfr Name: Burr-Brown Corp
Burr-Brown Corp
The ADS1212U is a 22-bit Sigma-Delta analog-to-digital converter with SPI interface, differential inputs, and programmable gain amplifier (PGA) in an 18-SOIC package.
✓ Total Stock: 2,536 pcs

ADS1212U Available from 1 distributor

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✓ Non-Authorised
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Components Technology Group, Inc. ✓
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2,536 pcs
On Request
2536 pcs On Request 1 On Request On Request On Request On Request On Request
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ADS1212U 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
Power Dissipation
Reference Type
Sampling Rate (Per Second)
Supplier Device Package
Voltage
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ADS1212U Description

Short technical summary and product information.

The ADS1212U is a precision 22-bit Sigma-Delta analog-to-digital converter designed for high-resolution data acquisition applications. It features a single differential input, a programmable gain amplifier (PGA), and an SPI-compatible serial interface. The device operates from a 5V analog supply and a 5V digital supply, with a typical power dissipation of only 1.4 mW at 25°C.

 

The ADC achieves a sampling rate of 6.25 kSPS and offers outstanding linearity with integral nonlinearity of ±0.0015% FSR maximum at 60 Hz data rate. It includes an internal voltage reference (2.5V typical) and supports both external and internal reference options. The input voltage range is 0V to 5V, and common-mode rejection is 100 dB typical.

 

The ADS1212U is housed in a standard 18-SOIC surface-mount package (0.295" body width) and operates over the industrial temperature range of -40°C to +85°C. It is suitable for industrial process control, instrumentation, smart transmitters, portable instruments, and weigh scales.

ADS1212U Quick Information

Product Type: Analog-to-Digital Converter (ADC)
Canonical Name: ADS1212U 22-Bit Sigma-Delta Analog-to-Digital Converter
Subcategory: Sigma-Delta ADC

ADS1212U Compliance

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

ADS1212U Features

  • 22-bit Sigma-Delta ADC with 6.25 kSPS sampling rate.
  • SPI-compatible serial interface for easy data transfer.
  • Differential input with programmable gain amplifier (PGA).
  • Internal voltage reference (2.5V) and external reference support.
  • Low power dissipation: 1.4 mW typical at 25°C.

ADS1212U Applications

  • Use in industrial process control systems
  • Ideal for precision instrumentation equipment
  • Suited for smart transmitter designs
  • Use in portable instrument applications
  • Ideal for weigh scale systems

ADS1212U FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resolution of the ADS1212U?

The ADS1212U has a resolution of 22 bits.

What is the sampling rate of the ADS1212U?

The sampling rate is 6.25 kSPS.

What is the operating voltage range of the ADS1212U?

The analog supply voltage range is 4.75V to 5.25V, with a nominal 5V.

What is the operating temperature range of the ADS1212U?

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

What package is the ADS1212U available in?

The ADS1212U is available in an 18-SOIC (0.295", 7.50mm Width) surface-mount package.

Does the ADS1212U have a PGA?

Yes, the ADS1212U includes a programmable gain amplifier (PGA).

Is the ADS1212U RoHS compliant?

RoHS status is listed as compliant but unverified. Verify with official documentation.

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