MAX5251BCAP Equivalent & Substitute Parts

Part Overview

The MAX5251BCAP is a 10-bit digital-to-analog converter (DAC) featuring four independent conversion channels with voltage-buffered output. Manufactured by Analog Devices Inc./Maxim Integrated, this component operates with external voltage reference and SPI data interface, designed for applications requiring precision analog signal generation from digital inputs.

The MAX5251BCAP is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for systems currently utilizing this component.

Substiute Parts

MAX5251BCAP

Analog Devices Inc./Maxim IntegratedIn Stock: 986MAX5251BCAP Datasheet

Current PartRFQ

MAX5251BCAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 988MAX5251BCAP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX5251BCAP is determined by strict equivalence across the following critical parameters:

• Resolution and Channel Count: 10-bit resolution with 4 independent D/A converters
• Output Configuration: Voltage-buffered output with external reference
• Interface Protocol: SPI serial data interface
• Electrical Specifications: Matching supply voltage ranges (3V ~ 3.6V analog and digital), settling time (12µs typical), and linearity specifications (INL/DNL ± 1 LSB maximum)
• Package Compatibility: 20-SSOP surface mount package with identical physical dimensions (0.209", 5.30mm width)
• Operating Temperature Range: 0°C ~ 70°C

The MAX5251BCAP+ qualifies as a direct substitute based on complete parameter alignment across all electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

The MAX5251BCAP+ is the direct substitute for MAX5251BCAP. Both components maintain identical electrical and mechanical specifications across all critical parameters including resolution, channel count, output configuration, interface protocol, supply voltage ranges, and package form factor.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The MAX5251BCAP is classified as obsolete, while the MAX5251BCAP+ maintains active product status. Additionally, the MAX5251BCAP+ achieves ROHS3 compliance, whereas the original MAX5251BCAP is RoHS non-compliant.

For new designs or system updates, the MAX5251BCAP+ is the appropriate selection. For existing systems currently utilizing MAX5251BCAP, the MAX5251BCAP+ provides direct functional and mechanical compatibility without design modification.

Frequently Asked Questions (FAQ)

Q: Can MAX5251BCAP+ directly replace MAX5251BCAP in existing designs?

A: Yes. The MAX5251BCAP+ is electrically and mechanically identical to the MAX5251BCAP. No circuit modifications, firmware changes, or PCB layout adjustments are required. Both components feature identical pin configurations, electrical specifications, and 20-SSOP package dimensions.

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

A: The MAX5251BCAP is classified as obsolete, indicating Analog Devices has discontinued active manufacturing and support. The MAX5251BCAP+ maintains active product status, ensuring ongoing availability, technical support, and supply chain reliability. For long-term system support, the MAX5251BCAP+ is the recommended choice.

Q: Does the ROHS3 compliance of MAX5251BCAP+ affect compatibility?

A: No. ROHS3 compliance indicates the MAX5251BCAP+ meets current environmental and hazardous substance restrictions. This represents an improvement over the non-compliant MAX5251BCAP and does not impact electrical or mechanical compatibility. Systems designed for the original part will function identically with the compliant substitute.

Q: Are there any packaging differences between MAX5251BCAP and MAX5251BCAP+?

A: Both components use identical 20-SSOP surface mount packaging with 0.209" width (5.30mm). Physical dimensions, pin spacing, and mounting requirements are equivalent. The only packaging distinction is that MAX5251BCAP+ is supplied in tube packaging, while MAX5251BCAP packaging details were not specified in the original documentation.

Q: What parameters determine substitution eligibility for this DAC?

A: Substitution is based on equivalence across: 10-bit resolution, 4-channel configuration, voltage-buffered output, external reference type, SPI interface, 12µs settling time, 3V ~ 3.6V supply voltage ranges, ± 1 LSB linearity specifications, R-2R architecture, 0°C ~ 70°C operating temperature, and 20-SSOP package form factor.