MAX155BEWI+T

Analog To Digital Converters (ADC) Overview

The MAX155BEWI+T is an 8-bit, 8-channel analog-to-digital converter featuring simultaneous track-and-hold inputs and a 2.5V internal reference. It operates from a single +5V supply or dual ±5V supplies, supporting unipolar and bipolar input ranges with single-ended or differential configurations. The device utilizes a successive approximation architecture with a 3.6µs conversion time per channel and stores results in an internal 8x8 RAM. It accepts external clock signals up to 5MHz and provides a bidirectional parallel interface for data access and configuration.

Analog To Digital Converters (ADC) Feature Summary

• Eight simultaneously sampling track-and-hold inputs eliminate timing differences between channel samples
• Integrated 2.5V voltage reference reduces component count
• Internal 8x8 RAM stores conversion results for sequential readout
• Flexible interface supports both hard-wired and programmable multiplexer configurations

Analog To Digital Converters (ADC) Applications

• Phase-sensitive data acquisition systems
• Vibration and waveform analysis equipment
• DSP analog input interfaces
• AC power meters
• Portable data loggers

Analog To Digital Converters (ADC) Procurement Notes

Verify the suffix 'E' indicates the extended temperature range of -40°C to +85°C. Confirm the 'WI' designation corresponds to the 28-pin wide SOIC package. Ensure the '+T' suffix matches the required reel packaging format for surface-mount assembly processes.

Analog To Digital Converters (ADC) Selection Notes

Select this component when simultaneous multi-channel sampling is required without external multiplexers. The 8-bit resolution suits applications where speed outweighs precision requirements. Verify that the 2.5V internal reference meets system accuracy needs or consider using the REFIN pin for external references if higher stability is necessary.

Analog To Digital Converters (ADC) Part Context

This part belongs to the MAX155/MAX156 family of high-speed ADCs. The MAX155 variant specifically provides eight analog input channels, whereas the MAX156 offers four channels. Both share identical core architectures, conversion speeds, and interface protocols within the same product line.

Analog To Digital Converters (ADC) Replacement Considerations

MAX155AEWI+T: Higher accuracy grade with improved linearity specifications while maintaining identical pinouts and functionality.