MAX5430CEKA+T

Overview

The MAX5430CEKA+T is a digitally programmable precision resistor array designed for programmable-gain amplifier (PGA) applications. It operates from single +12V to +15V or dual ±12V to ±15V supplies with a typical supply current of 35µA. The device features four noninverting gain configurations (AV = 1, 2, 4, and 8) controlled via a CMOS/TTL compatible 2-wire parallel interface. It provides a divider ratio accuracy of 0.5% and an end-to-end resistance between H and L terminals of 57kΩ. The component is housed in an 8-pin SOT-23 package and specified over the extended temperature range of -40°C to +85°C.

Feature Summary

• Four Noninverting PGA Gain Configurations: AV = 1, 2, 4, and 8
• Precision 0.5% Divider Ratio Accuracy
• Low 35µA Supply Current
• CMOS/TTL Logic Compatible 2-Wire Parallel Interface

Applications

• General-Purpose Programmable Noninverting Amplifier
• Programmable Instrumentation Amplifier

Procurement Notes

Verify the specific suffix 'EKA' corresponds to the 8-pin SOT-23 package and the 'C' grade indicating 0.5% accuracy. Confirm RoHS compliance status through official manufacturer documentation before procurement.

Selection Notes

Select this part when a fixed 57kΩ resistive divider with digital gain control is required. Ensure the application supports the specified voltage ranges (+12V to +15V single or ±12V to ±15V dual). Note that this variant lacks the on-chip matching resistor found in the MAX5431 series.

Part Context

This component belongs to the MAX5430/MAX5431 family of digitally programmable high-precision resistor arrays. The MAX5430 variant specifically omits the matching resistor present in the MAX5431, making it suitable for use with ultra-low input bias current operational amplifiers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.