MAX525BCAP 12-Bit Digital to Analog Converter Equivalent & Substitute Parts

Part Overview

The MAX525BCAP is a 12-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 for precision analog signal generation.

The MAX525BCAP is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support long-term production requirements for systems utilizing this component.

Substiute Parts

MAX525BCAP
Analog Devices Inc./Maxim IntegratedIn Stock: 2273MAX525BCAP Datasheet
MAX525BCAP
Current Part
MAX525BCAP+
Analog Devices Inc./Maxim IntegratedIn Stock: 2777MAX525BCAP+ Datasheet
MAX525BCAP+
Direct

Key Parameters

Parameter Specification
Number of Bits 12
Number of D/A Converters 4
Output Type Voltage - Buffered
Data Interface SPI
Reference Type External
Settling Time 12µs (Typ)
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
INL/DNL (LSB) ± 1 (Max), 1 (Max)
Architecture R-2R
Operating Temperature 0°C ~ 70°C
Package / Case 20-SSOP (0.209", 5.30mm Width)
Mounting Type Surface Mount

Substitute Part Grouping Explanation

Substitution of the MAX525BCAP is determined by strict equivalence across the following critical parameters:

  • Resolution: 12-bit conversion capability
  • Channel Count: Four independent D/A converters
  • Output Configuration: Voltage output with buffering
  • Interface Protocol: SPI serial communication
  • Reference Architecture: External reference input
  • Timing Performance: 12µs typical settling time
  • Supply Voltage Requirements: 5V analog and digital supplies
  • Accuracy Specifications: INL/DNL within ± 1 LSB maximum
  • Converter Architecture: R-2R resistor ladder topology
  • Temperature Range: 0°C to 70°C operation
  • Physical Package: 20-SSOP surface mount form factor

The MAX525BCAP+ qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility across all parameters listed above.

Parameter Comparison

Parameter MAX525BCAP MAX525BCAP+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Number of Bits 12 12
Number of D/A Converters 4 4
Output Type Voltage - Buffered Voltage - Buffered
Data Interface SPI SPI
Reference Type External External
Settling Time 12µs (Typ) 12µs (Typ)
Voltage - Supply, Analog 5V 5V
Voltage - Supply, Digital 5V 5V
INL/DNL (LSB) ± 1 (Max), 1 (Max) ± 1 (Max), 1 (Max)
Architecture R-2R R-2R
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C
Package / Case 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width)
Mounting Type Surface Mount Surface Mount
Product Status Obsolete Active
RoHS Status RoHS non-compliant ROHS3 Compliant
Packaging Not specified Tube

Engineering Selection Recommendations

The MAX525BCAP+ is the direct substitute for the MAX525BCAP. Both parts maintain identical electrical and mechanical specifications across all functional parameters. The primary distinction is product lifecycle status: the MAX525BCAP is obsolete while the MAX525BCAP+ carries active product status.

The MAX525BCAP+ provides additional compliance advantage through ROHS3 certification, whereas the original MAX525BCAP is RoHS non-compliant. For new designs or production requiring regulatory compliance with current environmental standards, the MAX525BCAP+ is the appropriate selection. For legacy system maintenance where RoHS compliance is not a requirement, either part functions identically within the specified electrical and thermal operating envelope.

Frequently Asked Questions (FAQ)

Q: Can MAX525BCAP+ directly replace MAX525BCAP in existing designs?

A: Yes. The MAX525BCAP+ is electrically and mechanically identical to the MAX525BCAP. Pin configuration, signal timing, supply voltage requirements, and output characteristics are equivalent. Direct substitution requires no circuit modifications.

Q: What is the difference between MAX525BCAP and MAX525BCAP+?

A: The parts are functionally identical. The primary differences are product status (obsolete versus active) and RoHS compliance (non-compliant versus ROHS3 compliant). The "+" designation indicates the active production variant.

Q: Are there package differences between these parts?

A: Both parts use the 20-SSOP surface mount package with identical physical dimensions (0.209" width, 5.30mm). The MAX525BCAP+ is supplied in tube packaging, while the original MAX525BCAP packaging specification is not detailed.

Q: What are the critical parameters for substitution compatibility?

A: Substitution compatibility is determined by: 12-bit resolution, four-channel DAC configuration, SPI interface, external reference input, 5V supply requirements, 12µs settling time, R-2R architecture, and 20-SSOP package format. Any deviation in these parameters indicates incompatibility.

Q: Is the MAX525BCAP+ suitable for new production designs?

A: Yes. The MAX525BCAP+ is active product status with ROHS3 compliance, making it appropriate for new designs and ongoing production. The obsolete MAX525BCAP should be replaced with MAX525BCAP+ for new applications.

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