MAX509BEAP+ Equivalent & Substitute Parts

Part Overview

The MAX509BEAP+ is an 8-bit digital-to-analog converter (DAC) with four independent channels, manufactured by Analog Devices Inc./Maxim Integrated. This component features buffered voltage output, SPI data interface, and R-2R architecture, operating from ±5V analog and 5V digital supply rails. The device is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Alternative equivalent parts are necessary when primary inventory is unavailable or when design flexibility across qualified variants is required.

Substiute Parts

MAX509BEAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 907MAX509BEAP+ Datasheet

Current PartRFQ

MAX509AEAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 935MAX509AEAP+ Datasheet

Parametric EquivalentRFQ

MAX509BEAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 907MAX509BEAP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX509BEAP+ is determined by strict equivalence across the following critical parameters: 8-bit resolution, 4-channel DAC configuration, buffered voltage output topology, SPI serial interface, R-2R resistor ladder architecture, 6µs typical settling time, ±5V analog and 5V digital supply requirements, ±1 LSB maximum INL/DNL specification, -40°C to 85°C operating temperature range, and 20-SSOP surface-mount package format.

The MAX509AEAP+ meets all these criteria and qualifies as a parametric equivalent. Both variants share identical electrical performance specifications, package geometry, and compliance certifications. The substitution is valid for applications requiring direct pin-compatible replacement without circuit modification.

Parameter Comparison

Engineering Selection Recommendations

Both MAX509BEAP+ and MAX509AEAP+ are Active product status components with identical electrical and mechanical specifications. Selection between these variants should be based on inventory availability and supply chain considerations. Both parts maintain full ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial applications. The 20-SSOP surface-mount package ensures compatibility with standard PCB assembly processes. No performance differentiation exists between the two variants for applications within the specified operating temperature range of -40°C to 85°C.

Frequently Asked Questions (FAQ)

Q: Can MAX509AEAP+ replace MAX509BEAP+ in existing designs? A: Yes. Both parts are parametric equivalents with identical electrical specifications, pin configuration, and package dimensions. Direct substitution is valid without circuit modification.

Q: Are there any supply voltage differences between these variants? A: No. Both require ±5V analog supply and 5V digital supply. Power distribution and decoupling networks designed for MAX509BEAP+ are directly applicable to MAX509AEAP+.

Q: Do these parts have different temperature operating ranges? A: No. Both variants operate across -40°C to 85°C. Thermal management and derating calculations remain identical.

Q: Is the 20-SSOP package identical for both parts? A: Yes. Both use 20-SSOP (0.209", 5.30mm width) surface-mount packaging. PCB footprints, solder reflow profiles, and assembly procedures are interchangeable.

Q: What is the significance of the settling time specification? A: The 6µs typical settling time defines the maximum delay from digital input change to stable analog output. This specification is identical for both variants and determines maximum sampling rates in data acquisition applications.

Q: Are compliance certifications identical? A: Yes. Both parts carry ROHS3 compliance, REACH unaffected status, and Moisture Sensitivity Level 1 (unlimited). Regulatory documentation is equivalent.