MAX522ESA Equivalent & Substitute Parts

Part Overview

The MAX522ESA 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 MAX522ESA is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

MAX522ESA

Analog Devices Inc./Maxim IntegratedIn Stock: 3893MAX522ESA Datasheet

Current PartRFQ

MAX522ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1195MAX522ESA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX522ESA is determined by strict equivalence across the following critical parameters:

• Resolution and Channel Count: 8-bit resolution with dual D/A converters
• Output Configuration: Buffered voltage output with no differential output capability
• Interface Protocol: SPI digital interface
• Reference Architecture: External reference requirement
• Electrical Performance: Settling time of 70µs (Typ), INL/DNL specifications of ±1.5 LSB and ±1 LSB
• Supply Voltage Compatibility: Dual supply range of 2.7V ~ 5.5V for both analog and digital domains
• Package Compatibility: 8-SOIC surface mount package with 0.154" width (3.90mm)
• Temperature Rating: -40°C ~ 85°C operating range

Substitute parts must match all parameters listed above to ensure functional and mechanical compatibility without design modification.

Parameter Comparison

Engineering Selection Recommendations

The MAX522ESA+ serves as the direct functional equivalent to the MAX522ESA with identical electrical and mechanical specifications. The primary distinction between these parts is product lifecycle status and regulatory compliance. The MAX522ESA is classified as obsolete, while the MAX522ESA+ maintains active production status, ensuring long-term availability and supply chain continuity.

The MAX522ESA+ achieves ROHS3 compliance, whereas the original MAX522ESA is RoHS non-compliant. For applications subject to environmental regulations or requiring compliance documentation, the MAX522ESA+ is the appropriate selection. Both parts share identical core functionality, performance characteristics, and package specifications, enabling direct substitution without circuit redesign or PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can MAX522ESA+ replace MAX522ESA in existing designs?

A: Yes. The MAX522ESA+ is electrically and mechanically identical to the MAX522ESA. All electrical parameters, package dimensions, pin configurations, and performance specifications are equivalent. Direct substitution is possible without design modification.

Q: What is the primary difference between MAX522ESA and MAX522ESA+?

A: The MAX522ESA+ is the active production variant with ROHS3 compliance and tube packaging. The MAX522ESA is obsolete. Both parts are functionally identical with matching electrical specifications and 8-SOIC package format.

Q: Are there any pin compatibility concerns?

A: No. Both parts use the identical 8-SOIC package with 0.154" width (3.90mm). Pin count, pin order, and electrical pin assignments are identical. PCB footprints and connector interfaces require no modification.

Q: Does the MAX522ESA+ support the same supply voltage range?

A: Yes. Both analog and digital supply voltages operate within the 2.7V ~ 5.5V range for both parts. Power supply design and decoupling requirements remain unchanged.

Q: Is the SPI interface protocol identical between these parts?

A: Yes. Both parts implement identical SPI digital interface protocols. Microcontroller firmware, timing parameters, and command sequences require no modification.

Q: What is the significance of ROHS3 compliance on the MAX522ESA+?

A: ROHS3 compliance indicates adherence to current environmental and hazardous substance restrictions. For applications in regulated industries or regions with environmental mandates, the MAX522ESA+ is the compliant selection.