MAX509ACWP Equivalent & Substitute Parts

Part Overview

The MAX509ACWP is an 8-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 data interface, external reference capability, and R-2R architecture with 6µs typical settling time. The MAX509ACWP is classified as obsolete product status, making identification of equivalent and substitute parts essential for ongoing system support, design updates, and procurement continuity.

Substiute Parts

MAX509ACWP

Analog Devices Inc./Maxim IntegratedIn Stock: 3277MAX509ACWP Datasheet

Current PartRFQ

MAX509ACWP+

Analog Devices Inc./Maxim IntegratedIn Stock: 972MAX509ACWP+ Datasheet

DirectRFQ

MAX509BCWP+

Analog Devices Inc./Maxim IntegratedIn Stock: 796MAX509BCWP+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MAX509ACWP are identified based on strict electrical and mechanical parameter equivalence. The following criteria determine substitution validity:

Core Electrical Parameters (Must Match):

• 8-bit resolution with 4 independent D/A converters
• Voltage-buffered output type
• SPI serial data interface
• External reference input
• ±5V analog supply and 5V digital supply
• R-2R converter architecture
• ±1 LSB maximum INL/DNL specification

Mechanical Parameters (Must Match):

• 20-SOIC package with 0.295" (7.50mm) width
• Surface mount mounting type

Acceptable Variations:

• Product status (obsolete to active)
• RoHS compliance level (non-compliant to ROHS3 compliant)
• Packaging format (bulk to tube)
• Operating temperature range (identical across all variants)

The MAX509ACWP has two identified substitutes: MAX509ACWP+ and MAX509BCWP+. Both maintain identical electrical specifications and mechanical packaging, with differences limited to product lifecycle status and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

MAX509ACWP+ (Direct Substitute): The MAX509ACWP+ is the primary substitute for the obsolete MAX509ACWP. This part maintains identical electrical and mechanical specifications while offering active product status and ROHS3 compliance. Selection of MAX509ACWP+ is appropriate for new designs, system updates, and procurement where regulatory compliance is required.

MAX509BCWP+ (Parametric Equivalent): The MAX509BCWP+ provides equivalent electrical performance and mechanical compatibility with identical core specifications. This part is active and ROHS3 compliant. Selection between MAX509ACWP+ and MAX509BCWP+ depends on specific design requirements and availability; both parts satisfy the electrical and mechanical requirements of the MAX509ACWP application.

Compliance Considerations: Both substitute parts are ROHS3 compliant, addressing regulatory requirements not met by the obsolete MAX509ACWP. The transition from non-compliant to compliant status reflects current manufacturing standards for data acquisition components.

Frequently Asked Questions (FAQ)

Q: Can MAX509ACWP+ and MAX509BCWP+ be used interchangeably with MAX509ACWP? A: Yes. Both substitute parts maintain identical electrical specifications (8-bit resolution, 4 DAC channels, SPI interface, ±5V/5V supply, 6µs settling time, R-2R architecture) and mechanical packaging (20-SOIC surface mount). Pin-for-pin compatibility is maintained across all three part numbers.

Q: What is the primary reason for substitution? A: The MAX509ACWP is classified as obsolete product status. MAX509ACWP+ and MAX509BCWP+ are active products offering continued availability, ROHS3 compliance, and long-term supply assurance.

Q: Are there differences in performance between MAX509ACWP+ and MAX509BCWP+? A: No. Both parts share identical electrical parameters including resolution, settling time, INL/DNL specification, supply voltage requirements, and operating temperature range. Differences are limited to product lifecycle status and packaging format (both supplied in tube packaging).

Q: Is the 20-SOIC package identical across all three parts? A: Yes. All three parts use the 20-SOIC package with 0.295" (7.50mm) width, ensuring mechanical compatibility in existing PCB layouts and assembly processes.

Q: What compliance certifications apply to the substitute parts? A: Both MAX509ACWP+ and MAX509BCWP+ are ROHS3 compliant and REACH unaffected. The original MAX509ACWP is RoHS non-compliant, making the substitutes necessary for applications requiring regulatory compliance.

Q: Can I use these parts in applications requiring extended temperature range? A: All three parts operate within 0°C to 70°C. Applications requiring extended temperature operation require alternative device selection outside this product family.