MAX518BCSA-T Equivalent & Substitute Parts

Part Overview

The MAX518BCSA-T 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 I2C interface compatibility, external reference capability, and buffered voltage outputs suitable for 5V supply systems.

The MAX518BCSA-T is classified as obsolete. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Substiute Parts

MAX518BCSA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 1075MAX518BCSA-T Datasheet

Current PartRFQ

MAX518BCSA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 6543MAX518BCSA+T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX518BCSA-T is determined by strict equivalence across the following critical parameters:

• Resolution: 8-bit digital input
• Channel Count: Dual D/A converters (2 channels)
• Output Configuration: Buffered voltage output
• Communication Protocol: I2C interface
• Supply Voltage Requirements: 5V analog and digital supplies
• Accuracy Specifications: INL/DNL within ±1.5 LSB (Max) and ±1 LSB (Max)
• Conversion Architecture: R-2R ladder network
• Package Footprint: 8-SOIC form factor with 0.154" (3.90mm) width
• Temperature Operating Range: 0°C to 70°C

The substitute part MAX518BCSA+T maintains identical electrical and mechanical specifications while differing only in packaging format and product lifecycle status.

Parameter Comparison

Engineering Selection Recommendations

The MAX518BCSA+T is the direct functional equivalent of the MAX518BCSA-T. Both parts share identical electrical specifications, pin configurations, and mechanical dimensions. The primary distinctions are product lifecycle status and regulatory compliance.

The MAX518BCSA-T is classified as obsolete, indicating discontinued manufacturing and limited availability. The MAX518BCSA+T maintains active production status, ensuring reliable supply chain access and long-term component availability.

The MAX518BCSA+T achieves ROHS3 compliance, meeting current environmental and hazardous substance restrictions. The original MAX518BCSA-T does not meet this compliance standard. For applications subject to RoHS requirements or future regulatory mandates, the MAX518BCSA+T is the appropriate selection.

Both parts are functionally interchangeable at the circuit level. Selection between them should be based on supply availability, compliance requirements, and packaging format preferences (tube versus tape & reel).

Frequently Asked Questions (FAQ)

Q: Are the MAX518BCSA-T and MAX518BCSA+T pin-compatible?

A: Yes. Both parts use the 8-SOIC package with identical pin assignments, electrical characteristics, and functional behavior. No circuit modifications are required for substitution.

Q: What is the difference between the tube and tape & reel packaging formats?

A: Tube packaging (MAX518BCSA-T) is suitable for manual assembly and small-volume applications. Tape & reel packaging (MAX518BCSA+T) is optimized for automated pick-and-place assembly processes and high-volume production. Both formats contain the same component.

Q: Why is the MAX518BCSA-T classified as obsolete?

A: Obsolete status indicates that the manufacturer has discontinued production of this specific part number. The MAX518BCSA+T represents the active production equivalent with identical specifications.

Q: Can I use the MAX518BCSA+T as a direct replacement in existing designs?

A: Yes. The MAX518BCSA+T is electrically and mechanically equivalent to the MAX518BCSA-T. No design changes, PCB modifications, or firmware updates are necessary.

Q: What are the RoHS compliance implications?

A: The MAX518BCSA-T is RoHS non-compliant, while the MAX518BCSA+T is ROHS3 compliant. For applications requiring RoHS certification or operating in regulated markets, the MAX518BCSA+T is the required selection.

Q: Are there any performance differences between these parts?

A: No. Both parts deliver identical performance across all electrical parameters, including resolution, settling time, accuracy specifications, and operating temperature range.