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MAX542ACPD 16-Bit Digital to Analog Converter Equivalent & Substitute Parts
Part Overview
The MAX542ACPD is a 16-bit digital to analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring serial voltage output. This component features an R-2R architecture with external reference capability and SPI data interface compatibility.
The MAX542ACPD is classified as obsolete. Identifying equivalent and substitute parts is necessary to support legacy system maintenance, design updates, and procurement continuity where original inventory becomes unavailable.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resolution | 16 Bits |
| Number of D/A Converters | 1 |
| Output Type | Voltage - Unbuffered |
| Data Interface | SPI |
| Reference Type | External |
| Analog Supply Voltage | 5V |
| Digital Supply Voltage | 5V |
| Settling Time | 1µs (Typ) |
| INL/DNL | ±0.5 LSB / ±0.5 LSB |
| Architecture | R-2R |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | 14-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
Substitute Part Grouping Explanation
Substitute parts for the MAX542ACPD are determined by equivalence across the following critical parameters:
- 16-bit resolution with single D/A converter configuration
- SPI serial data interface
- External voltage reference architecture
- 5V analog and digital supply voltage requirements
- R-2R converter architecture
- 1µs typical settling time
- ±0.5 LSB INL/DNL specifications
- 14-DIP through-hole package format
- 0°C to 70°C operating temperature range
Parts meeting all these parameters are functionally equivalent and may be substituted in applications designed for the MAX542ACPD.
Parameter Comparison
| Parameter | MAX542ACPD | MAX542ACPD+ | MAX542BCPD+ |
|---|---|---|---|
| Resolution (Bits) | 16 | 16 | 16 |
| Number of D/A Converters | 1 | 1 | 1 |
| Output Type | Voltage - Unbuffered | Voltage - Unbuffered | Voltage - Unbuffered |
| Data Interface | SPI | SPI | SPI |
| Reference Type | External | External | External |
| Voltage - Supply, Analog | 5V | 5V | 5V |
| Voltage - Supply, Digital | 5V | 5V | 5V |
| Settling Time | 1µs (Typ) | 1µs (Typ) | 1µs (Typ) |
| INL/DNL (LSB) | ±0.5, ±0.5 | ±0.5, ±0.5 | ±0.5, ±0.5 |
| Architecture | R-2R | R-2R | R-2R |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Package / Case | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Product Status | Obsolete | Active | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX542ACPD is obsolete and no longer in active production. Both MAX542ACPD+ and MAX542BCPD+ are active production parts that maintain full electrical and mechanical compatibility with the original MAX542ACPD.
MAX542ACPD+ is the direct successor, offering identical electrical specifications with ROHS3 compliance and Tube packaging. This part is the primary choice for new designs and legacy system updates.
MAX542BCPD+ provides parametric equivalence with ROHS3 compliance and Tube packaging. This part is suitable where MAX542ACPD+ availability is constrained.
Both substitute parts eliminate the RoHS non-compliance status of the original MAX542ACPD, supporting modern procurement and environmental compliance requirements.
Frequently Asked Questions (FAQ)
Q: Can MAX542ACPD+ and MAX542BCPD+ be used interchangeably with MAX542ACPD?
A: Yes. All three parts share identical electrical parameters, including 16-bit resolution, SPI interface, 5V supply requirements, settling time, and accuracy specifications. The 14-DIP through-hole package is identical across all variants. Pin-for-pin compatibility is maintained.
Q: What is the difference between MAX542ACPD+ and MAX542BCPD+?
A: Both parts are electrically equivalent and share identical specifications across all provided parameters. The primary distinction is product designation within the MAX542 family. Both are active production parts with ROHS3 compliance.
Q: Why is the original MAX542ACPD obsolete?
A: The MAX542ACPD has been superseded by active production variants. The MAX542ACPD+ and MAX542BCPD+ represent current manufacturing offerings with improved compliance status.
Q: Are there packaging differences between these parts?
A: The original MAX542ACPD packaging is not specified in available data. Both MAX542ACPD+ and MAX542BCPD+ are supplied in Tube packaging. The physical 14-DIP package format remains consistent across all variants.
Q: What compliance advantages do the substitute parts offer?
A: MAX542ACPD+ and MAX542BCPD+ are ROHS3 compliant, whereas the original MAX542ACPD is RoHS non-compliant. Both substitute parts maintain REACH Unaffected status. This compliance improvement supports modern supply chain requirements and environmental regulations.
Q: Can I use these parts in new designs?
A: Yes. MAX542ACPD+ and MAX542BCPD+ are active production parts suitable for new designs. The MAX542ACPD, being obsolete, should not be specified for new applications.
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