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DAC8831IDR Equivalent & Substitute Parts
Part Overview
The DAC8831IDR is a 16-bit digital-to-analog converter manufactured by Texas Instruments, housed in a 14-SOIC surface mount package. This device converts digital signals to analog voltage outputs using an R-2R architecture with 1µs typical settling time. The part is actively produced and ROHS3 compliant, making it suitable for data acquisition applications requiring precision voltage output generation. Substitute parts are identified based on matching electrical specifications, package compatibility, and functional equivalence to support design flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resolution | 16 Bit |
| Number of D/A Converters | 1 |
| Output Type | Voltage - Unbuffered |
| Data Interface | SPI |
| Reference Type | External |
| Settling Time | 1µs (Typ) |
| INL/DNL | ±0.5 LSB / ±0.5 LSB |
| Architecture | R-2R |
| Voltage Supply - Analog | 2.7V ~ 5.5V |
| Voltage Supply - Digital | 2.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 2 (1 Year) |
Substitute Part Grouping Explanation
Substitute parts for the DAC8831IDR are grouped based on strict electrical and mechanical compatibility. The primary substitution criteria are:
Core Electrical Parameters: 16-bit resolution, single D/A converter, voltage-unbuffered output, R-2R architecture, 1µs settling time, ±0.5 LSB INL/DNL specification, and external reference requirement.
Supply Voltage Compatibility: Parts must support the 2.7V to 5.5V analog and digital supply range, or operate within a subset of this range that includes the application's operating voltage.
Package and Mounting: All substitutes use 14-SOIC surface mount packaging with identical 0.154" (3.90mm) width, ensuring PCB footprint compatibility.
Data Interface: Primary substitutes support SPI interface. Some Analog Devices AD5542 variants support both SPI and DSP interfaces, providing functional equivalence with extended capability.
Temperature Range: Substitutes are grouped by operating temperature: industrial grade (-40°C to 85°C) and commercial grade (0°C to 70°C). Selection depends on application requirements.
Compliance: All listed substitutes maintain ROHS3 compliance and EAR99 export classification, matching the original part's regulatory status.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resolution (Bit) | Data Interface | Supply Voltage - Analog | Supply Voltage - Digital | Operating Temperature | Packaging | MSL Rating |
|---|---|---|---|---|---|---|---|---|
| DAC8831IDR | Texas Instruments | 16 | SPI | 2.7V ~ 5.5V | 2.7V ~ 5.5V | -40°C ~ 85°C | Tape & Reel (TR) | 2 (1 Year) |
| AD5542ARZ | Analog Devices Inc. | 16 | SPI, DSP | 2.7V ~ 5.5V | 2.7V ~ 5.5V | -40°C ~ 85°C | Tube | 1 (Unlimited) |
| AD5542ARZ-REEL7 | Analog Devices Inc. | 16 | SPI, DSP | 2.7V ~ 5.5V | 2.7V ~ 5.5V | -40°C ~ 85°C | Tape & Reel (TR) | 1 (Unlimited) |
| AD5542BRZ | Analog Devices Inc. | 16 | SPI, DSP | 2.7V ~ 5.5V | 2.7V ~ 5.5V | -40°C ~ 85°C | Tube | 1 (Unlimited) |
| AD5542CRZ | Analog Devices Inc. | 16 | SPI, DSP | 2.7V ~ 5.5V | 2.7V ~ 5.5V | -40°C ~ 85°C | Tube | 1 (Unlimited) |
| AD5542JRZ | Analog Devices Inc. | 16 | SPI, DSP | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 0°C ~ 70°C | Tube | 1 (Unlimited) |
| AD5542LRZ | Analog Devices Inc. | 16 | SPI, DSP | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 0°C ~ 70°C | Tube | 1 (Unlimited) |
| MAX542ACSD+ | Analog Devices Inc./Maxim Integrated | 16 | SPI | 5V | 5V | 0°C ~ 70°C | Tube | 1 (Unlimited) |
| MAX542AESD+ | Analog Devices Inc./Maxim Integrated | 16 | SPI | 5V | 5V | -40°C ~ 85°C | Tube | 1 (Unlimited) |
| MAX542BCSD+ | Analog Devices Inc./Maxim Integrated | 16 | SPI | 5V | 5V | 0°C ~ 70°C | Tube | 1 (Unlimited) |
| MAX542BESD+ | Analog Devices Inc./Maxim Integrated | 16 | SPI | 5V | 5V | -40°C ~ 85°C | Tube | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Substitutes (Full Compatibility): AD5542ARZ, AD5542ARZ-REEL7, AD5542BRZ, and AD5542CRZ from Analog Devices provide direct functional equivalence with identical supply voltage ranges (2.7V to 5.5V) and industrial temperature operation (-40°C to 85°C). These parts support extended data interfaces (SPI and DSP) and feature improved moisture sensitivity ratings (MSL 1, Unlimited). AD5542ARZ-REEL7 matches the original Tape & Reel packaging format.
Temperature-Constrained Substitutes: AD5542JRZ and AD5542LRZ operate within the commercial temperature range (0°C to 70°C). These are suitable only for applications not requiring the full industrial temperature specification of the DAC8831IDR.
Supply Voltage-Constrained Substitutes: MAX542 series parts (ACSD+, AESD+, BCSD+, BESD+) operate exclusively at 5V supply voltage and are not compatible with the DAC8831IDR's 2.7V to 5.5V range. These substitutes are applicable only when the application design uses fixed 5V supplies and does not require lower voltage operation.
Compliance and Regulatory: All substitute parts maintain ROHS3 compliance, REACH Unaffected status, and EAR99 export classification, matching the regulatory profile of the DAC8831IDR.
Frequently Asked Questions (FAQ)
Q: Can AD5542ARZ-REEL7 replace DAC8831IDR in production assembly?
A: Yes. AD5542ARZ-REEL7 provides full electrical equivalence and uses Tape & Reel packaging matching the original part's format. Both operate across 2.7V to 5.5V supply range and -40°C to 85°C temperature range. The AD5542 supports both SPI and DSP interfaces, providing functional compatibility with SPI-only designs.
Q: What is the difference between AD5542ARZ and AD5542ARZ-REEL7?
A: Both parts are electrically identical 16-bit DACs from Analog Devices with matching specifications. The difference is packaging: AD5542ARZ ships in Tube format, while AD5542ARZ-REEL7 ships in Tape & Reel format. For high-volume production, Tape & Reel packaging is standard.
Q: Are MAX542 series parts suitable replacements for DAC8831IDR?
A: MAX542 series parts are not suitable direct replacements due to supply voltage constraints. MAX542 devices operate exclusively at 5V, while DAC8831IDR supports 2.7V to 5.5V operation. Use MAX542 parts only in designs with fixed 5V supplies where lower voltage operation is not required.
Q: What is the significance of MSL rating differences?
A: DAC8831IDR has MSL 2 (1 Year), while most AD5542 and MAX542 substitutes have MSL 1 (Unlimited). Lower MSL ratings indicate better moisture resistance and longer shelf life. Substitutes with MSL 1 provide superior moisture handling characteristics for storage and logistics.
Q: Can I use AD5542JRZ or AD5542LRZ in an industrial application requiring -40°C operation?
A: No. AD5542JRZ and AD5542LRZ operate only within 0°C to 70°C range and are not rated for -40°C operation. For industrial temperature requirements, use AD5542ARZ, AD5542BRZ, AD5542CRZ, or MAX542AESD+/MAX542BESD+ (5V only).
Q: Are there package footprint differences between DAC8831IDR and substitute parts?
A: No. All listed substitutes use 14-SOIC surface mount packaging with identical 0.154" (3.90mm) width. PCB footprints are mechanically compatible across all parts.
Q: What data interfaces do substitute parts support?
A: AD5542 series parts support both SPI and DSP interfaces, providing extended capability beyond the DAC8831IDR's SPI-only interface. MAX542 series parts support SPI interface only. Both are compatible with SPI-based designs.
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