ADS1212U The Burr Brown ADS1212U is a 22-bit Sigma-Delta Analog-to-Digital Converter featuring a SPI interface and a programmable gain amplifier. It operates from a 5V supply.
Mfr Part #:

ADS1212U

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Burr Brown ADS1212U is a 22-bit Sigma-Delta Analog-to-Digital Converter featuring a SPI interface and a programmable gain amplifier. It operates from a 5V supply.
Total Stock: 3,235 pcs

ADS1212U Available from 1 distributor

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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
Supplier Package
Voltage

ADS1212U Description

Short technical summary and product information.

The Burr Brown ADS1212U is a high-resolution analog-to-digital converter (ADC) designed for precision measurement applications. It utilizes a Sigma-Delta architecture to achieve an effective resolution of 23 bits at 10Hz or 20 bits at 1000Hz.

 

Key electrical specifications include a wide analog input voltage range of 0V to 5V, a typical analog input impedance of 20 MΩ, and a low analog input capacitance of 5 pF. The device supports differential inputs and features a programmable gain amplifier (PGA). It operates from a power supply voltage of 4.75V to 5.25V, with typical analog and digital supply currents of 95 µA and 185 µA, respectively. The power dissipation is a mere 1.4 mW at 25°C.

 

This ADC is available in an 18-SOIC package suitable for surface mounting. It operates within an industrial temperature range of -40°C to 85°C. The SPI-compatible data interface simplifies integration into digital systems. Applications include industrial process control, instrumentation, smart transmitters, portable instruments, and weigh scales.

 

Features such as an internal/external reference, on-chip self-calibration, and a no-missing-codes specification of 22 bits at 10Hz make the ADS1212U a versatile choice for demanding data acquisition tasks.

ADS1212U Quick Information

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

ADS1212U Compliance

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

ADS1212U Features

  • 22-bit Sigma-Delta Analog-to-Digital Converter.
  • Effective resolution up to 23 bits at 10Hz.
  • SPI compatible serial interface.
  • Differential inputs with PGA.
  • Surface mount 18-SOIC package.

ADS1212U Applications

  • Industrial process control systems.
  • Precision instrumentation applications.
  • Smart transmitter designs.
  • Portable measurement devices.
  • Weigh scale electronics.

ADS1212U FAQs

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

The ADS1212U has a nominal resolution of 22 bits, with an effective resolution of 23 bits at 10Hz and 20 bits at 1000Hz.

What is the operating voltage for the ADS1212U?

The ADS1212U operates from a power supply voltage range of 4.75V to 5.25V.

What package type is the ADS1212U available in?

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

What is the operating temperature range for the ADS1212U?

The ADS1212U operates within a temperature range of -40°C to 85°C.

What compliance standards does the ADS1212U meet?

The ADS1212U is listed as RoHS3 Compliant, with an MSL of 1 Unlimited, and REACH Unaffected. However, this data is from the existing database and has low confidence.

What data interface does the ADS1212U use?

The ADS1212U features an SPI-compatible data interface.

Does the ADS1212U have an internal voltage reference?

Yes, the ADS1212U has an internal voltage reference of 2.5V typical, and also supports external references.

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