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MAX5253AEAP Equivalent & Substitute Parts
Part Overview
The MAX5253AEAP 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 interface control, external reference capability, and R-2R architecture for precision analog signal generation.
The MAX5253AEAP is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resolution | 12 Bit |
| Number of D/A Converters | 4 |
| Output Type | Voltage - Buffered |
| Data Interface | SPI |
| Reference Type | External |
| Settling Time (Typical) | 16µs |
| Voltage Supply - Analog | 3V ~ 3.6V |
| Voltage Supply - Digital | 3V ~ 3.6V |
| INL/DNL (Max) | ±0.25, ±1 LSB |
| Architecture | R-2R |
| Operating Temperature Range | -40°C ~ 85°C |
| Package | 20-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX5253AEAP is determined by strict equivalence across the following critical parameters:
- 12-bit resolution with 4 independent D/A converters
- Voltage-buffered output configuration
- SPI serial interface protocol
- External reference input requirement
- R-2R resistor ladder architecture
- 16µs typical settling time
- 3V to 3.6V dual supply voltage range (analog and digital)
- ±0.25 LSB INL and ±1 LSB DNL specifications
- 20-SSOP surface mount package with identical physical dimensions
- Operating temperature range of -40°C to 85°C
The MAX5253AEAP+ qualifies as a direct substitute based on complete parameter alignment across all electrical and mechanical specifications.
Parameter Comparison
| Parameter | MAX5253AEAP | MAX5253AEAP+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Resolution (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 (Typ) | 16µs | 16µs |
| Voltage Supply - Analog | 3V ~ 3.6V | 3V ~ 3.6V |
| Voltage Supply - Digital | 3V ~ 3.6V | 3V ~ 3.6V |
| INL/DNL (Max) | ±0.25, ±1 LSB | ±0.25, ±1 LSB |
| Architecture | R-2R | R-2R |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°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 |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The MAX5253AEAP+ is the direct substitute for the MAX5253AEAP. Both parts maintain identical electrical performance and physical package specifications. The primary distinction is product lifecycle status: the MAX5253AEAP is obsolete, while the MAX5253AEAP+ carries active product status with current manufacturing support.
The MAX5253AEAP+ additionally provides ROHS3 compliance, meeting current environmental and regulatory requirements for new designs and production environments. The MSL rating of 1 (Unlimited) applies to both variants, indicating no moisture sensitivity constraints during storage or handling.
Selection of the MAX5253AEAP+ is appropriate for applications requiring long-term component availability, regulatory compliance, and ongoing manufacturer support.
Frequently Asked Questions (FAQ)
Q: Are MAX5253AEAP and MAX5253AEAP+ pin-for-pin compatible?
A: Yes. Both parts use the 20-SSOP package with identical pinout, electrical characteristics, and functional behavior. Direct PCB substitution is supported without circuit modification.
Q: What is the difference between MAX5253AEAP and MAX5253AEAP+?
A: The parts are electrically and functionally equivalent. The MAX5253AEAP+ is the active production variant with ROHS3 compliance. The MAX5253AEAP is classified as obsolete.
Q: Can MAX5253AEAP+ replace MAX5253AEAP in existing designs?
A: Yes. The MAX5253AEAP+ maintains all electrical specifications, performance parameters, and package dimensions. No design changes are required.
Q: What does the "+" designation indicate?
A: The "+" suffix indicates the tube packaging variant. Both MAX5253AEAP and MAX5253AEAP+ share identical die and electrical performance; packaging format is the primary distinction.
Q: Are there RoHS compliance differences?
A: Yes. The MAX5253AEAP is RoHS non-compliant, while MAX5253AEAP+ is ROHS3 compliant. For applications subject to RoHS regulations, the MAX5253AEAP+ is the required selection.
Q: What is the moisture sensitivity level for these parts?
A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling and storage practices apply.
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