MAX1242ACSA+T

Analog To Digital Converters (ADC) Overview

The MAX1242ACSA+T is a low-power, 10-bit successive-approximation analog-to-digital converter (ADC) housed in an 8-pin SO package. It operates on a single +2.7V to +5.25V supply and features an internal 2.5V reference. The device supports a maximum sampling rate of 73ksps with a throughput determined by a 3-wire serial interface compatible with SPI, QSPI, and Microwire protocols. Power consumption reaches 3.7mW at full speed, while a shutdown mode reduces current significantly. The component functions within a temperature range of 0°C to +70°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates an internal 2.5V voltage reference for simplified system design
• Features a fast track/hold circuit with a 1.5µs acquisition time
• Supports standard microcontroller interfaces via a 3-wire serial port
• Includes a dedicated shutdown pin to minimize power consumption

Analog To Digital Converters (ADC) Applications

• Portable data logging systems
• Process control monitoring
• Temperature measurement circuits
• Isolated data acquisition modules

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'A' indicates the commercial temperature grade (0°C to +70°C). Confirm the 'S' denotes the SO-8 package type. Ensure the '+' suffix confirms lead-free and RoHS compliance status as per manufacturer specifications. Cross-reference the datasheet revision to ensure compatibility with current design requirements.

Analog To Digital Converters (ADC) Selection Notes

Select this model when an integrated reference is required to reduce external component count. Choose the MAX1242 variant over the MAX1243 if an external reference source is unavailable. Consider the 10-bit resolution and 73ksps speed for applications requiring moderate precision without high-speed demands. Verify that the input signal range aligns with the internal 2.5V reference capabilities.

Analog To Digital Converters (ADC) Part Context

This component belongs to the MAX1242/MAX1243 family of low-power serial ADCs. It serves as a cost-effective solution for battery-powered devices where space and energy efficiency are critical constraints. The series offers pin-compatible upgrades to 12-bit resolutions, allowing for future scalability in sensor interface designs.

Analog To Digital Converters (ADC) Replacement Considerations

The MAX1242C may be ordered in place of the MAX1242A according to manufacturer notes. The MAX1242D may be ordered in place of the MAX1242B. Verify thermal and electrical specifications match before substituting.