ADS1110A5IDBVR

Analog To Digital Converters (ADC) Overview

The ADS1110A5IDBVR is a precision, continuous self-calibrating analog-to-digital converter (ADC) featuring a sigma-delta architecture and a single differential or single-ended input channel. It provides 16-bit resolution with an internal 2.048 V reference, enabling a ±2.048 V differential input range. The device operates on a single supply voltage ranging from 2.7 V to 5.5 V for both analog and digital domains. It supports programmable data rates of 15, 30, 60, or 240 samples per second and includes an onboard programmable gain amplifier (PGA) with gains up to 8. Communication is handled via an I2C-compatible serial interface, and the component is housed in a compact SOT-23-6 package.

Analog To Digital Converters (ADC) Feature Summary

• Continuous self-calibration mechanism ensures high accuracy without external calibration requirements.
• Integrated programmable gain amplifier allows for amplification of small signals to maximize dynamic range.
• Onboard oscillator eliminates the need for external clock components, simplifying circuit design.
• Automatic power-down after conversion minimizes current consumption during idle periods.

Analog To Digital Converters (ADC) Applications

• Portable battery-powered instrumentation requiring low power consumption
• Industrial process control systems utilizing smart transmitters
• High-resolution sensor interfaces for temperature, pressure, or strain measurements

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'A5' against the manufacturer's official datasheet to confirm the exact address configuration or pinout variant. Ensure the ordering part number matches the required tape-and-reel packaging specifications. Cross-reference the manufacturer's latest documentation to confirm RoHS compliance status and any recent product change notices affecting the SOT-23-6 package marking.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, high-resolution ADC is needed in a minimal footprint. The internal reference and PGA reduce external component count compared to discrete solutions. Consider the maximum operating temperature of +125°C for harsh environments. Verify that the I2C bus speed requirements align with the device's communication capabilities and that the input signal range fits within the programmable gain settings.

Analog To Digital Converters (ADC) Part Context

This part belongs to the Texas Instruments ADS1110 family of 16-bit delta-sigma ADCs. The family shares core architectural features such as the self-calibrating sigma-delta modulator and I2C interface. Variations within the series typically differ by output data rate options, package types, or I2C slave address configurations defined by the suffix codes.

Analog To Digital Converters (ADC) Replacement Considerations

ADS1110A0IDBVR: Verified substitute within the same family offering identical functional specifications with potential differences in I2C address configuration.

Analog To Digital Converters (ADC) FAQ

What is the function of the internal oscillator in the ADS1110A5IDBVR?

The onboard oscillator generates the necessary clock signals for the sigma-delta modulation process, removing the requirement for an external clock source and simplifying the PCB layout.

How does the programmable gain amplifier benefit signal measurement?

The PGA allows the user to amplify small input signals by factors up to 8, enabling the ADC to utilize its full 16-bit resolution for low-voltage sensors while maintaining the ±2.048 V input range capability.

What is the purpose of the continuous self-calibration feature?

Self-calibration automatically corrects for offset and gain errors within the ADC circuitry, ensuring high accuracy over time and across the specified temperature range without manual intervention.