MAX145AEUA+T

Analog To Digital Converters (ADC) Overview

The MAX145AEUA+T is a low-power, 12-bit analog-to-digital converter (ADC) from the MAX144/MAX145 family. It features a successive-approximation register (SAR) architecture with an internal track-and-hold circuit and operates on a single +2.7V to +5.25V supply. The device provides one pseudo-differential input channel and supports sampling rates up to 108ksps. Power consumption is 0.9mA at maximum throughput, dropping to 0.2µA in shutdown mode. It utilizes a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE standards.

Analog To Digital Converters (ADC) Feature Summary

• Single-channel pseudo-differential input configuration
• Low power consumption with automatic power-down capability
• Internal clock and fast wake-up time
• High-speed 3-wire serial interface

Analog To Digital Converters (ADC) Applications

• Battery-powered systems
• Portable data logging
• Isolated data acquisition
• Process-control monitoring
• Medical instruments

Analog To Digital Converters (ADC) Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity and pin alignment upon receipt. Ensure storage conditions comply with moisture sensitivity levels specified in the datasheet. Cross-reference ordering suffixes to confirm temperature range and packaging variations match project requirements.

Analog To Digital Converters (ADC) Selection Notes

Select this model for applications requiring a single pseudo-differential input channel. Choose between internal or external clock modes based on system timing constraints. Ensure the external reference voltage meets the required stability and current drive specifications. Verify that the source impedance allows for adequate acquisition time within the desired sampling rate.

Analog To Digital Converters (ADC) Part Context

This component belongs to the MAX144/MAX145 series of low-power, 12-bit ADCs. The MAX145 variant specifically offers a pseudo-differential input, whereas the MAX144 provides two single-ended channels. Both share identical pinouts and electrical characteristics, differing primarily in input multiplexer configuration.

Analog To Digital Converters (ADC) Replacement Considerations

The MAX144AEUA+T serves as a pin-compatible alternative offering dual single-ended inputs instead of pseudo-differential. For lower resolution needs, the MAX157 and MAX159 are available as 10-bit options.