MAX174CEWI

Analog To Digital Converters (ADC) Overview

The MAX174CEWI+ is a complete 12-bit analog-to-digital converter (ADC) utilizing successive approximation architecture. It integrates an internal buried zener voltage reference and clock circuitry, requiring only decoupling capacitors for operation. The device supports unipolar input ranges of 0 to +10V or 0 to +20V, and bipolar ranges of ±5V or ±10V via pin strapping. It features a parallel three-state data interface compatible with 8-, 12-, and 16-bit microprocessor buses. Electrical specifications include a maximum conversion time of 8µs, 150ns maximum data access time, and 150mW power dissipation. The component operates within a commercial temperature range of 0°C to +70°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates high-speed SAR ADC with on-chip clock and precision low-drift voltage reference
• Supports versatile analog input configurations including unipolar and bipolar ranges selectable by pin strapping
• Features standard parallel interface with three-state outputs for direct connection to 8-, 12-, and 16-bit buses
• Utilizes monolithic BiCMOS construction for reduced power consumption and no missing codes over temperature

Analog To Digital Converters (ADC) Applications

• Digital signal processing systems
• High-accuracy process control instrumentation
• High-speed data acquisition networks
• Electro-mechanical system monitoring

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'C' corresponds to the commercial temperature grade (0°C to +70°C) rather than extended or military grades. Confirm the 'WI' package designation matches the required SOIC-28 footprint. Ensure the '+' suffix indicates RoHS compliance status as per current manufacturer documentation before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a complete 12-bit ADC solution with integrated reference and clock is required to minimize external passive components. Choose the MAX174 variant specifically for applications demanding the fastest 8µs conversion time compared to slower MX-series alternatives. Ensure the design accommodates the necessary ±12V or ±15V analog supply rails alongside the +5V digital logic supply.

Analog To Digital Converters (ADC) Part Context

This part belongs to the MAX174/MX574A/MX674A family of industry-standard 12-bit ADCs. While sharing core architecture, the MAX174 offers the highest speed among the group. The 'C' suffix denotes the commercial temperature rating, distinguishing it from 'E' (extended) or 'M' (military) variants. The 'WI' suffix identifies the wide SOIC surface-mount package configuration.

Analog To Digital Converters (ADC) Replacement Considerations

MX574AKEWI+