MAX544BCSA 14-Bit Digital to Analog Converter Equivalent & Substitute Parts

Part Overview

The MAX544BCSA is a 14-bit digital to analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring voltage output conversion. This component features an 8-SOIC surface mount package with SPI data interface and external reference capability.

The MAX544BCSA is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for systems utilizing this component.

Substiute Parts

MAX544BCSA

Analog Devices Inc./Maxim IntegratedIn Stock: 1126MAX544BCSA Datasheet

Current PartRFQ

MAX544BCSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 3238MAX544BCSA+ Datasheet

DirectRFQ

MAX544ACSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 3469MAX544ACSA+ Datasheet

Parametric EquivalentRFQ

AD5551BRZ

Analog Devices Inc.In Stock: 1195AD5551BRZ Datasheet

MFR RecommendedRFQ

AD5551BRZ-REEL7

Analog Devices Inc.In Stock: 1502AD5551BRZ-REEL7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MAX544BCSA are classified based on electrical parameter compatibility and product status:

Direct Manufacturer Equivalent (MAX544BCSA+): Identical electrical specifications and package configuration. Differs only in packaging format (Tube) and product status (Active vs. Obsolete). Voltage supply requirements: 5V analog and digital.

Parametric Equivalent (MAX544ACSA+): Shares identical electrical parameters, package, and interface specifications with the main part. Product status is Active. Voltage supply requirements: 5V analog and digital. Temperature range: 0°C ~ 70°C.

Manufacturer Recommended Alternatives (AD5551BRZ, AD5551BRZ-REEL7): These Analog Devices AD5551 series components maintain core electrical specifications (14-bit resolution, 1 µs settling time, ±0.15 LSB INL/DNL, R-2R architecture, SPI interface, external reference). Key differences include expanded voltage supply range (2.7V ~ 5.5V) and extended operating temperature range (-40°C ~ 85°C). Packaging differs: AD5551BRZ uses Tube; AD5551BRZ-REEL7 uses Cut Tape & Digi-Reel format.

Substitution Criteria: All substitute parts maintain identical resolution, settling time, linearity specifications, architecture, data interface, and 8-SOIC package footprint. Substitution is valid when the application tolerates the specified voltage supply and temperature range differences.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Pin-Compatible, Identical Specifications): MAX544BCSA+ and MAX544ACSA+ are suitable for applications requiring exact electrical and thermal performance matching. Both parts are Active status with ROHS3 compliance, addressing obsolescence concerns while maintaining the original 0°C ~ 70°C operating window and 5V supply requirements.

For Extended Operating Range Applications: AD5551BRZ and AD5551BRZ-REEL7 are recommended when designs require expanded voltage supply flexibility (2.7V ~ 5.5V) or extended temperature operation (-40°C ~ 85°C). These parts maintain all core electrical specifications and are Active status with ROHS3 compliance. Selection between AD5551BRZ (Tube) and AD5551BRZ-REEL7 (Cut Tape & Digi-Reel) depends on procurement and assembly requirements.

Compliance Considerations: The original MAX544BCSA is RoHS non-compliant. All substitute parts (MAX544BCSA+, MAX544ACSA+, AD5551BRZ, AD5551BRZ-REEL7) are ROHS3 compliant, supporting regulatory requirements for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Can MAX544BCSA+ be used as a direct replacement for MAX544BCSA? A: Yes. MAX544BCSA+ is electrically and mechanically identical to MAX544BCSA. The primary difference is product status (Active vs. Obsolete) and packaging format (Tube). Both operate at 5V supply and 0°C ~ 70°C temperature range.

Q: What are the key differences between MAX544ACSA+ and AD5551BRZ? A: Both maintain 14-bit resolution, 1 µs settling time, and R-2R architecture. MAX544ACSA+ operates at fixed 5V supply and 0°C ~ 70°C. AD5551BRZ supports 2.7V ~ 5.5V supply and -40°C ~ 85°C operation. Selection depends on application voltage and temperature requirements.

Q: Are all substitute parts pin-compatible with the original MAX544BCSA? A: Yes. All substitute parts use the 8-SOIC package with identical pinout and footprint, enabling direct PCB-level replacement without layout modifications.

Q: What is the difference between AD5551BRZ and AD5551BRZ-REEL7? A: Both parts are electrically identical. AD5551BRZ is supplied in Tube packaging; AD5551BRZ-REEL7 is supplied in Cut Tape & Digi-Reel format. Selection is based on procurement method and assembly line requirements.

Q: Which substitute part should be selected for new designs? A: For applications within 5V supply and 0°C ~ 70°C range, MAX544BCSA+ or MAX544ACSA+ are appropriate. For designs requiring extended voltage or temperature ranges, AD5551BRZ or AD5551BRZ-REEL7 are recommended. All substitute parts are Active status with ROHS3 compliance.

Q: Are the settling time and linearity specifications identical across all parts? A: Yes. All parts maintain 1 µs typical settling time and ±0.15 LSB INL/DNL specifications, ensuring equivalent performance in data acquisition applications.