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MAX504CSD Equivalent & Substitute Parts
Part Overview
The MAX504CSD is a 10-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 a single DAC channel with SPI interface, R-2R architecture, and support for both external and internal voltage references. The MAX504CSD is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resolution | 10 Bits |
| Number of D/A Converters | 1 |
| Output Type | Voltage - Buffered |
| Data Interface | SPI |
| Reference Type | External, Internal |
| Analog Supply Voltage | ±5V |
| Digital Supply Voltage | 5V |
| Settling Time | 25µs (Typ) |
| INL/DNL | ±0.5 LSB (Max) / ±1 LSB (Max) |
| Architecture | R-2R |
| Operating Temperature Range | 0°C to 70°C |
| Package | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution of the MAX504CSD is determined by strict equivalence across the following critical parameters:
- Resolution and Channel Count: 10-bit resolution with single DAC channel
- Output Configuration: Voltage-buffered output with no differential output capability
- Interface Protocol: SPI digital interface
- Reference Architecture: Support for both external and internal voltage references
- Supply Voltage Requirements: ±5V analog supply and 5V digital supply
- Accuracy Specifications: INL/DNL performance of ±0.5 LSB (Max) and ±1 LSB (Max)
- Settling Time: 25µs typical settling time
- Package Compatibility: 14-SOIC surface mount package with identical physical dimensions
- Temperature Range: 0°C to 70°C operating specification
The MAX504CSD+ meets all these criteria and qualifies as a direct substitute based on identical electrical and mechanical parameters.
Parameter Comparison
| Parameter | MAX504CSD | MAX504CSD+ |
|---|---|---|
| Resolution | 10 Bits | 10 Bits |
| Number of D/A Converters | 1 | 1 |
| Output Type | Voltage - Buffered | Voltage - Buffered |
| Data Interface | SPI | SPI |
| Reference Type | External, Internal | External, Internal |
| Voltage - Supply, Analog | ±5V | ±5V |
| Voltage - Supply, Digital | 5V | 5V |
| Settling Time | 25µs (Typ) | 25µs (Typ) |
| INL/DNL (LSB) | ±0.5 (Max), ±1 (Max) | ±0.5 (Max), ±1 (Max) |
| Architecture | R-2R | R-2R |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX504CSD+ is the direct functional equivalent of the MAX504CSD, with identical electrical performance and mechanical compatibility. The primary distinction between these components is product lifecycle status and regulatory compliance:
The MAX504CSD is classified as obsolete, presenting supply chain risk for new procurements and long-term system support. The MAX504CSD+ maintains active product status with established manufacturing continuity and availability.
From a regulatory perspective, the MAX504CSD+ achieves ROHS3 compliance, whereas the original MAX504CSD is non-compliant. For applications subject to RoHS directives or customer requirements mandating RoHS compliance, the MAX504CSD+ is the appropriate selection.
Both components share identical electrical specifications, package geometry, and functional characteristics. No circuit redesign or board layout modification is required when transitioning from MAX504CSD to MAX504CSD+.
Frequently Asked Questions (FAQ)
Q: Can MAX504CSD+ directly replace MAX504CSD in existing designs?
A: Yes. The MAX504CSD+ is electrically and mechanically identical to the MAX504CSD. No circuit modifications, firmware changes, or PCB redesign are necessary. The 14-SOIC package dimensions and pinout are identical, enabling direct substitution in existing assemblies.
Q: What is the primary reason to use MAX504CSD+ instead of MAX504CSD?
A: The MAX504CSD is obsolete, creating supply availability constraints. The MAX504CSD+ is an active product with established supply chain continuity. Additionally, the MAX504CSD+ meets ROHS3 compliance requirements, whereas the original part does not.
Q: Are there any performance differences between MAX504CSD and MAX504CSD+?
A: No. Both components deliver identical settling time (25µs typical), resolution (10-bit), accuracy (±0.5 LSB INL, ±1 LSB DNL), and operating temperature range (0°C to 70°C). The R-2R architecture, SPI interface, and voltage reference options are functionally equivalent.
Q: What packaging options are available for these parts?
A: Both MAX504CSD and MAX504CSD+ are supplied in 14-SOIC surface mount packages with 0.154-inch (3.90mm) width. The MAX504CSD+ is available in tube packaging, while the original MAX504CSD packaging specification is not detailed in the provided data.
Q: Are there any supply voltage compatibility concerns?
A: No. Both components require identical supply voltages: ±5V for analog supply and 5V for digital supply. Existing power distribution designs require no modification.
Q: What is the moisture sensitivity level for these components?
A: Both MAX504CSD and MAX504CSD+ are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
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