MAX505BENG+ Equivalent & Substitute Parts

Part Overview

The MAX505BENG+ is an 8-bit digital-to-analog converter (DAC) with four independent conversion channels, designed for parallel data interface applications requiring buffered voltage output. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates with ±5V analog supply and 5V digital supply, utilizing an R-2R architecture for signal conversion.

Substiute Parts

MAX505BENG+

Analog Devices Inc./Maxim IntegratedIn Stock: 3307MAX505BENG+ Datasheet

Current PartRFQ

MAX505BENG+

Analog Devices Inc./Maxim IntegratedIn Stock: 3307MAX505BENG+ Datasheet

DirectRFQ

AD7225KNZ

Analog Devices Inc.In Stock: 1030AD7225KNZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MAX505BENG+ is determined by the following critical parameters: 8-bit resolution, 4-channel DAC configuration, parallel data interface, buffered voltage output, R-2R architecture, and 24-DIP through-hole package. The substitute part AD7225KNZ maintains these core functional and mechanical specifications, ensuring pin-compatible replacement capability.

The primary distinction between the MAX505BENG+ and AD7225KNZ lies in supply voltage requirements and product status. The MAX505BENG+ operates with ±5V analog and 5V digital supplies and is classified as obsolete. The AD7225KNZ requires 11.4V to 16.5V analog supply with -5V auxiliary supply and 14.25V to 15.75V digital supply, while maintaining active product status. Both components share identical settling time performance (4µs to 6µs range), matching INL/DNL specifications (±1 LSB maximum), and identical package geometry.

Parameter Comparison

Engineering Selection Recommendations

The AD7225KNZ serves as the manufacturer-recommended substitute for the MAX505BENG+. Both components maintain ROHS3 compliance and identical moisture sensitivity levels (MSL 1 - Unlimited), ensuring regulatory and environmental compatibility.

Selection between these parts depends on system power supply architecture. The MAX505BENG+ requires ±5V analog and 5V digital supplies, while the AD7225KNZ requires higher voltage supplies (11.4V to 16.5V analog with -5V auxiliary, and 14.25V to 15.75V digital). The AD7225KNZ offers improved settling time performance (4µs versus 6µs typical), providing faster conversion response in time-critical applications.

The AD7225KNZ's active product status ensures continued availability and manufacturing support, whereas the MAX505BENG+ is obsolete. For new designs or system replacements, the AD7225KNZ is the appropriate selection when power supply requirements can be accommodated. For legacy systems with fixed ±5V/5V supply architecture, the MAX505BENG+ remains the direct equivalent if inventory is available.

Frequently Asked Questions (FAQ)

Q: Can AD7225KNZ directly replace MAX505BENG+ without circuit modification?

A: Pin-level compatibility exists due to identical 24-DIP package geometry and matching functional pin assignments. However, power supply voltage requirements differ significantly. The AD7225KNZ requires 11.4V to 16.5V analog supply with -5V auxiliary and 14.25V to 15.75V digital supply, whereas MAX505BENG+ operates on ±5V analog and 5V digital. Circuit redesign of power distribution is necessary for substitution.

Q: What are the key functional differences between these parts?

A: Both components provide 8-bit resolution with 4 independent DAC channels, parallel data interface, buffered voltage output, and R-2R architecture. The AD7225KNZ achieves faster settling time (4µs versus 6µs typical). Linearity specifications (INL/DNL ±1 LSB maximum) are identical. Operating temperature ranges match (-40°C to 85°C).

Q: Are there package or mounting considerations for substitution?

A: Both parts use identical 24-DIP (0.300", 7.62mm) through-hole packages. PCB footprints are mechanically compatible. No package-related modifications are required for physical installation.

Q: What compliance certifications apply to both parts?

A: Both MAX505BENG+ and AD7225KNZ are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is MSL 1 (Unlimited) for both components. ECCN classification is EAR99 for both parts.

Q: Why is MAX505BENG+ classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The AD7225KNZ maintains active product status, ensuring ongoing availability and manufacturing support for new applications and system replacements.