MAX5544ESA Equivalent & Substitute Parts

Part Overview

The MAX5544ESA is a 14-bit Digital to Analog Converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring single-channel voltage output conversion. This component features an 8-SOIC surface mount package and operates with 5V analog and digital supply voltages. The part is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new designs requiring this specification class.

Substiute Parts

MAX5544ESA

Analog Devices Inc./Maxim IntegratedIn Stock: 1225MAX5544ESA Datasheet

Current PartRFQ

MAX5544ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1141MAX5544ESA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX5544ESA is determined by strict equivalence across the following critical parameters:

• Resolution: 14-bit conversion capability
• Channel Configuration: Single D/A converter
• Output Specification: Voltage-mode, unbuffered output
• Interface Protocol: SPI digital communication
• Supply Voltage Requirements: 5V analog and digital supplies
• Accuracy Metrics: INL/DNL specifications of ±4 and ±0.5 LSB
• Conversion Architecture: R-2R resistor ladder topology
• Package Compatibility: 8-SOIC surface mount form factor
• Temperature Range: -40°C to 85°C operating window

The MAX5544ESA+ qualifies as a direct substitute based on identical electrical specifications, package geometry, and functional performance across all defined parameters.

Parameter Comparison

Engineering Selection Recommendations

The MAX5544ESA+ is the appropriate selection for new designs and ongoing production requiring 14-bit DAC functionality in the MAX5544 family. This part maintains complete electrical and mechanical compatibility with the obsolete MAX5544ESA while offering the advantage of active product status and ROHS3 compliance. The transition from the non-compliant MAX5544ESA to the MAX5544ESA+ eliminates regulatory and supply chain risks associated with obsolete components while preserving all functional performance characteristics required for data acquisition applications.

Frequently Asked Questions (FAQ)

Q: Can MAX5544ESA+ be used as a direct replacement for MAX5544ESA in existing designs?

A: Yes. The MAX5544ESA+ provides complete functional equivalence across all electrical parameters, settling time, accuracy specifications, and package geometry. No circuit modifications are required for substitution.

Q: What is the primary difference between MAX5544ESA and MAX5544ESA+?

A: The MAX5544ESA+ is the active production variant with ROHS3 compliance, while the MAX5544ESA is classified as obsolete and RoHS non-compliant. Both parts deliver identical electrical performance and are housed in the same 8-SOIC package.

Q: Are there any package or pinout differences between these parts?

A: No. Both the MAX5544ESA and MAX5544ESA+ use the 8-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout and mechanical dimensions.

Q: What supply voltages are required for operation?

A: Both parts require 5V for analog supply and 5V for digital supply. External reference voltage is required for DAC operation.

Q: Is the SPI interface identical between both parts?

A: Yes. Both parts implement the same SPI digital communication protocol with identical timing and control specifications.