DAC813JP Equivalent & Substitute Parts

Part Overview

The DAC813JP is a 12-bit digital-to-analog converter manufactured by Texas Instruments, designed for data acquisition applications requiring voltage output conversion. This device features an R-2R architecture with external and internal reference capability, operating across a wide supply voltage range of ±11.4V to 16.5V. The DAC813JP is classified as obsolete, making equivalent substitute parts necessary for ongoing system support and new design implementations. The primary substitute maintains functional equivalence while offering improved product status and alternative packaging options.

Substiute Parts

DAC813JP

Texas InstrumentsIn Stock: 1810DAC813JP Datasheet

Current PartRFQ

DAC813JU

Texas InstrumentsIn Stock: 2046DAC813JU Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The DAC813JU qualifies as a direct functional substitute for the DAC813JP based on the following criteria:

Electrical Equivalence: Both devices share identical core specifications including 12-bit resolution, 6µs settling time, buffered voltage output, parallel data interface, dual reference capability (external and internal), matching supply voltage ranges (±11.4V ~ 16.5V analog, 11.4V ~ 16.5V digital), and identical INL/DNL performance (±0.25, ±0.5 LSB). Both employ R-2R architecture and operate across the same temperature range (-40°C ~ 85°C).

Compliance Equivalence: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility in equivalent applications.

Packaging Difference: The primary distinction is packaging format. The DAC813JP uses 28-DIP (0.300", 7.62mm) through-hole mounting, while the DAC813JU uses 28-SOIC (0.295", 7.50mm width) surface-mount packaging. This difference affects board layout and assembly methodology but does not alter electrical functionality.

Product Status Advantage: The DAC813JU maintains active product status, whereas the DAC813JP is obsolete, making the DAC813JU the preferred selection for new designs and long-term availability assurance.

Parameter Comparison

Engineering Selection Recommendations

For Obsolete Part Replacement: The DAC813JU is the recommended substitute for DAC813JP applications. Both devices maintain identical electrical specifications and regulatory compliance (ROHS3, REACH unaffected), ensuring functional equivalence in data acquisition circuits.

For New Designs: The DAC813JU should be selected due to its active product status, ensuring long-term availability and supply chain stability. The surface-mount 28-SOIC package aligns with modern PCB assembly practices.

For Legacy Through-Hole Systems: If board redesign is not feasible and through-hole mounting is mandatory, the DAC813JP may be retained if inventory is available. However, supply constraints due to obsolete status should be anticipated.

Moisture Handling Consideration: The DAC813JU has MSL rating of 3 (168 hours), compared to the DAC813JP's MSL rating of 1 (unlimited). This requires adherence to moisture control procedures during storage and handling for the substitute part.

Frequently Asked Questions (FAQ)

Q: Are the DAC813JP and DAC813JU electrically interchangeable?

A: Yes. Both devices share identical 12-bit resolution, 6µs settling time, buffered voltage output, parallel interface, dual reference capability, supply voltage ranges (±11.4V ~ 16.5V analog, 11.4V ~ 16.5V digital), and INL/DNL specifications (±0.25, ±0.5 LSB). Electrical functionality is equivalent.

Q: What is the primary difference between these parts?

A: The DAC813JP uses 28-DIP through-hole packaging (0.300", 7.62mm), while the DAC813JU uses 28-SOIC surface-mount packaging (0.295", 7.50mm width). Additionally, the DAC813JU maintains active product status, whereas the DAC813JP is obsolete.

Q: Can I use the DAC813JU as a direct replacement on a through-hole PCB?

A: No. The DAC813JU requires surface-mount assembly. PCB redesign or use of an adapter carrier would be necessary for through-hole board integration.

Q: What does the obsolete status of the DAC813JP mean?

A: Obsolete status indicates the manufacturer has discontinued production. Existing inventory may be available from distributors, but long-term supply cannot be assured. The DAC813JU, with active status, provides reliable availability for current and future applications.

Q: Are there any compliance differences between the two parts?

A: No. Both the DAC813JP and DAC813JU maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory equivalence.

Q: What is the moisture sensitivity difference, and does it affect substitution?

A: The DAC813JP has MSL 1 (unlimited moisture exposure tolerance), while the DAC813JU has MSL 3 (168-hour moisture exposure limit). The DAC813JU requires standard moisture control procedures during storage and handling. This does not prevent substitution but requires adherence to proper handling protocols.

Q: Can I use the DAC813JU in a legacy system designed for the DAC813JP?

A: Electrical substitution is valid. However, packaging differences require either PCB redesign for surface-mount integration or use of an appropriate carrier adapter for through-hole compatibility.