MAX1237MEUA+T

Analog To Digital Converters (ADC) Overview

The MAX1237MEUA+T is a low-power, 12-bit analog-to-digital converter (ADC) featuring four analog input channels. It operates from a single supply voltage ranging from 2.7V to 3.6V and includes an internal track/hold circuit, clock, and a 2.048V voltage reference. The device utilizes a successive-approximation architecture with a maximum sampling rate of 94.4ksps. Communication is handled via an I²C-compatible 2-wire serial interface supporting up to 1.7MHz in high-speed mode. It is housed in an 8-pin µMAX package and functions within an extended temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a fully differential analog-input multiplexer and track-and-hold circuitry for signal acquisition.
• Supports software-configurable unipolar or bipolar operation for both single-ended and differential input modes.
• Features AutoShutdown technology to power down the device between conversions, significantly reducing supply current at low throughput rates.

Analog To Digital Converters (ADC) Applications

• Handheld portable applications
• Medical instruments
• Battery-powered test equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and lead-free status. Confirm availability through authorized distributors as component lifecycle status may vary. Ensure the selected variant matches the required supply voltage and channel count specifications for the target design.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution and four-channel multiplexing capability are required within a compact 8-pin footprint. Verify that the system supply voltage falls within the 2.7V to 3.6V range. Consider the internal 2.048V reference if external components must be minimized, or utilize the external reference input for higher precision requirements.

Analog To Digital Converters (ADC) Part Context

This part belongs to the MAX1236–MAX1239 family of low-power, multichannel ADCs. While sharing similar interfaces and architectures, variants differ in channel count and supply voltage ranges. The MAX1237 specifically provides four channels and operates on lower voltages compared to the twelve-channel MAX1238/MAX1239.

Analog To Digital Converters (ADC) Replacement Considerations

The MAX1236EUA+ is a pin-compatible alternative within the same family but requires a 4.5V to 5.5V supply and features a 4.096V internal reference. Verify voltage compatibility and reference voltage differences before substitution.