MAX5251ACAP Equivalent & Substitute Parts

Part Overview

The MAX5251ACAP is a 10-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring four independent voltage output channels. The device features SPI interface control, external reference capability, and R-2R architecture for precision analog signal generation.

The MAX5251ACAP is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this component.

Substiute Parts

MAX5251ACAP

Analog Devices Inc./Maxim IntegratedIn Stock: 944MAX5251ACAP Datasheet

Current PartRFQ

MAX5251ACAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1024MAX5251ACAP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX5251ACAP is determined by strict equivalence across the following critical parameters:

• Resolution and Channel Count: 10-bit resolution with 4 independent D/A converters
• Interface Protocol: SPI digital control interface
• Output Characteristics: Voltage-buffered output with external reference capability
• Electrical Performance: Settling time of 12µs (typical), INL/DNL specifications of ±0.25 and ±1 LSB (maximum)
• Supply Voltage Range: Analog and digital supply voltages both 3V ~ 3.6V
• Package Compatibility: 20-SSOP surface mount package with 0.209" width (5.30mm)
• Architecture: R-2R resistor ladder topology

The MAX5251ACAP+ qualifies as a direct substitute based on identical electrical specifications, functional performance, and package configuration. The primary distinction is product status and compliance certification.

Parameter Comparison

Engineering Selection Recommendations

The MAX5251ACAP+ is the direct functional equivalent of the MAX5251ACAP. Both devices share identical electrical specifications, performance characteristics, and physical packaging. The MAX5251ACAP+ is classified as active product status, ensuring ongoing manufacturer support and availability.

For new designs and production continuity, the MAX5251ACAP+ is the appropriate selection. This part maintains full electrical and mechanical compatibility while offering ROHS3 compliance certification, addressing regulatory requirements for modern manufacturing environments. The MAX5251ACAP+ is available in tube packaging, suitable for automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can MAX5251ACAP+ be used as a direct replacement for MAX5251ACAP in existing designs?

A: Yes. The MAX5251ACAP+ provides identical electrical performance, settling time, resolution, channel count, and package configuration. No circuit modifications are required for substitution.

Q: What is the significance of the product status difference between these parts?

A: The MAX5251ACAP is classified as obsolete, indicating discontinued manufacturing and limited availability. The MAX5251ACAP+ maintains active status with ongoing production and manufacturer support, ensuring long-term supply chain reliability.

Q: Are there compliance differences between MAX5251ACAP and MAX5251ACAP+?

A: Yes. The MAX5251ACAP is RoHS non-compliant, while MAX5251ACAP+ is ROHS3 compliant. Both maintain REACH unaffected status and EAR99 export classification. For applications requiring RoHS compliance, MAX5251ACAP+ is the appropriate selection.

Q: Do both parts use the same package and mounting method?

A: Yes. Both devices utilize 20-SSOP surface mount packaging with identical 0.209" width (5.30mm). PCB layout and assembly processes remain unchanged during substitution.

Q: What is the significance of the packaging difference (unspecified versus tube)?

A: The MAX5251ACAP+ is supplied in tube packaging, which is standard for automated pick-and-place assembly. This packaging format supports high-volume production environments and is compatible with standard component handling equipment.