MAX11212AEUB+

Analog To Digital Converters (ADC) Overview

The MAX11212AEUB+ is an 18-bit, single-channel, ultra-low-power delta-sigma analog-to-digital converter (ADC) featuring a 2-wire serial interface. It operates with a maximum active current of 300µA and includes a high-accuracy internal oscillator running at 2.4576MHz. The device provides fully differential signal and reference inputs, on-demand offset and gain self-calibration, and supports data rates up to 120sps. It functions within a -40°C to +85°C temperature range using a 10-pin µMAX package.

Analog To Digital Converters (ADC) Feature Summary

• Ultra-low power consumption with sleep mode current drain below 0.1µA
• High-resolution 18-bit full-scale output with no missing codes
• Internal digital filter providing over 80dB rejection of 50Hz or 60Hz line noise
• On-demand offset and gain self-calibration for improved accuracy

Analog To Digital Converters (ADC) Applications

• Sensor measurement including temperature and pressure sensing
• Portable instrumentation devices
• Battery-powered applications
• Weigh scales

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix AEUB+ corresponds to the 10-pin µMAX package and 120sps output rate. Confirm RoHS compliance and lead-free status as indicated by the plus sign in the part number. Ensure the ordering documentation matches the Analog Devices/Maxim Integrated specifications for this exact revision.

Analog To Digital Converters (ADC) Selection Notes

Select the MAX11212AEUB+ when high resolution per unit power is required for low-speed applications. The internal 2.4576MHz oscillator eliminates external clock components. Verify that the 2-wire serial interface timing meets system requirements and that fully differential inputs align with the sensor interface design.

Analog To Digital Converters (ADC) Part Context

This component belongs to the MAX11212 family of ultra-low-power ADCs. The 'A' designation specifies the internal oscillator frequency of 2.4576MHz, distinguishing it from the 'B' variant which uses 2.2528MHz. The 'EUB+' indicates the 10-pin µMAX package with RoHS compliance.

Analog To Digital Converters (ADC) Replacement Considerations

The MAX11212BEUB+ serves as a direct functional substitute with a different internal oscillator frequency (2.2528MHz). Other family members like the MAX11210 or MAX11209 offer different resolutions or interfaces but require pinout and software adaptation.