MAX522EPA Equivalent & Substitute Parts

Part Overview

The MAX522EPA is an 8-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring dual voltage output channels. This component features SPI interface compatibility, external reference capability, and buffered voltage outputs suitable for industrial and embedded systems. The MAX522EPA is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

MAX522EPA

Analog Devices Inc./Maxim IntegratedIn Stock: 1016MAX522EPA Datasheet

Current PartRFQ

MAX522EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 722MAX522EPA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX522EPA is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications in the following areas:

• Resolution and converter count (8-bit, dual DAC)
• Output configuration (voltage-buffered, non-differential)
• Interface protocol (SPI)
• Reference architecture (external)
• Supply voltage ranges (2.7V ~ 5.5V for both analog and digital)
• Linearity performance (INL/DNL specifications)
• Settling time characteristics
• Temperature operating range (-40°C ~ 85°C)
• Physical package (8-DIP through-hole)

The MAX522EPA+ qualifies as a direct substitute based on complete parameter alignment across all electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

The MAX522EPA+ serves as the direct functional equivalent to the MAX522EPA, with identical electrical performance and physical form factor. The primary distinction between these parts is product lifecycle status and regulatory compliance. The MAX522EPA is classified as obsolete, while the MAX522EPA+ maintains active production status, ensuring long-term availability and supply chain continuity.

For new designs and ongoing system support, the MAX522EPA+ is the appropriate selection. This part maintains full electrical and mechanical compatibility while providing ROHS3 compliance, addressing modern regulatory requirements that the original MAX522EPA does not satisfy. Both parts are manufactured by the same supplier and share the same base product number (MAX522), confirming their interchangeability at the functional level.

Frequently Asked Questions (FAQ)

Q: Can MAX522EPA+ directly replace MAX522EPA in existing designs?

A: Yes. The MAX522EPA+ is electrically and mechanically identical to the MAX522EPA. Pin configuration, signal timing, supply requirements, and output characteristics are equivalent. Direct substitution is possible without circuit modification.

Q: What is the significance of the "+" designation in MAX522EPA+?

A: The "+" suffix indicates an updated product variant, typically reflecting improved compliance status or manufacturing process updates. In this case, MAX522EPA+ achieves ROHS3 compliance while maintaining identical electrical specifications.

Q: Are there packaging differences between MAX522EPA and MAX522EPA+?

A: Both parts use 8-DIP through-hole packaging with identical physical dimensions (0.300", 7.62mm). The primary packaging difference is the supplier device package designation: MAX522EPA uses standard packaging, while MAX522EPA+ is supplied in tube packaging. This does not affect electrical performance or board-level compatibility.

Q: Why is the MAX522EPA classified as obsolete?

A: Product obsolescence reflects the end of manufacturing and support lifecycle. The MAX522EPA+ provides continued access to this functional capability with active production status and modern compliance certifications.

Q: What compliance certifications apply to each part?

A: MAX522EPA carries RoHS non-compliant status and is REACH unaffected. MAX522EPA+ achieves ROHS3 compliance while maintaining REACH unaffected status. Both parts carry EAR99 export classification.