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MAX501AENG Equivalent & Substitute Parts
Part Overview
The MAX501AENG is a 12-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 external reference capability and R-2R architecture, housed in a 24-pin DIP package for through-hole mounting.
The MAX501AENG is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support legacy system maintenance or redesign initiatives.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resolution | 12 Bits |
| Number of D/A Converters | 1 |
| Output Type | Voltage - Buffered |
| Settling Time | 5µs |
| Data Interface | Parallel |
| Reference Type | External |
| Analog Supply Voltage | ±11.4V ~ 15.75V |
| INL/DNL | ±0.75 LSB (Max) / ±1 LSB (Max) |
| Architecture | R-2R |
| Operating Temperature Range | -40°C ~ 85°C |
| Package | 24-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
Substitute Part Grouping Explanation
Substitution of the MAX501AENG is determined by strict equivalence across the following critical parameters:
- Resolution & Architecture: 12-bit resolution with R-2R architecture
- Functional Configuration: Single DAC channel with buffered voltage output
- Interface & Reference: Parallel data interface with external reference capability
- Electrical Performance: Settling time of 5µs, INL/DNL specifications of ±0.75 LSB and ±1 LSB maximum
- Supply Requirements: Analog supply voltage range ±11.4V ~ 15.75V
- Operating Conditions: Temperature range -40°C ~ 85°C
- Physical Form Factor: 24-pin DIP package, through-hole mounting
The MAX502AENG+ meets all these criteria and qualifies as a parametric equivalent substitute.
Parameter Comparison
| Parameter | MAX501AENG | MAX502AENG+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Resolution (Bits) | 12 | 12 |
| Number of D/A Converters | 1 | 1 |
| Output Type | Voltage - Buffered | Voltage - Buffered |
| Settling Time | 5µs | 5µs |
| Data Interface | Parallel | Parallel |
| Reference Type | External | External |
| Analog Supply Voltage | ±11.4V ~ 15.75V | ±11.4V ~ 15.75V |
| INL/DNL (LSB) | ±0.75 (Max), ±1 (Max) | ±0.75 (Max), ±1 (Max) |
| Architecture | R-2R | R-2R |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 24-DIP (0.300", 7.62mm) | 24-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole | Through Hole |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The MAX502AENG+ is the direct parametric equivalent for the MAX501AENG across all specified electrical and mechanical parameters. The primary distinction is product lifecycle status: the MAX501AENG is obsolete, while the MAX502AENG+ maintains active production status.
For new designs or system redesigns, the MAX502AENG+ is the appropriate selection. This part offers ROHS3 compliance, whereas the MAX501AENG is RoHS non-compliant. Both parts share identical electrical specifications, package form factor, and mounting requirements, ensuring functional interchangeability in 24-DIP through-hole applications.
Frequently Asked Questions (FAQ)
Q: Can the MAX502AENG+ directly replace the MAX501AENG in existing designs?
A: Yes. The MAX502AENG+ is parametrically equivalent across all specified electrical and mechanical parameters, including resolution, settling time, supply voltage range, temperature operating range, and 24-DIP package configuration. Direct substitution is supported without circuit modification.
Q: What is the primary advantage of selecting the MAX502AENG+ over the MAX501AENG?
A: The MAX502AENG+ is in active production status with ROHS3 compliance certification. The MAX501AENG is obsolete and RoHS non-compliant. For long-term supply chain reliability and regulatory compliance, the MAX502AENG+ is the recommended selection.
Q: Are there any differences in pin configuration or package dimensions?
A: No. Both parts use identical 24-pin DIP packaging with 0.300" (7.62mm) pitch and through-hole mounting. Pin configuration and physical dimensions are equivalent.
Q: What are the critical parameters that define substitution eligibility?
A: Substitution is determined by equivalence in 12-bit resolution, single DAC channel configuration, buffered voltage output, 5µs settling time, parallel data interface, external reference capability, ±11.4V to ±15.75V analog supply range, ±0.75/±1 LSB INL/DNL specifications, R-2R architecture, -40°C to 85°C operating temperature, and 24-DIP package form factor.
Q: Is the MAX502AENG+ available in the same packaging options as the MAX501AENG?
A: The MAX502AENG+ is supplied in tube packaging. Both parts share the same 24-DIP package specification and through-hole mounting configuration.
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