DAC811JP Equivalent & Substitute Parts

Part Overview

The DAC811JP is a 12-bit digital-to-analog converter manufactured by Texas Instruments, designed for data acquisition applications requiring voltage output conversion. This component features an internal reference, parallel data interface, and R-2R architecture with ±0.25/±0.5 LSB INL/DNL specifications. The DAC811JP is classified as obsolete, making identification of compatible substitutes essential for ongoing system support and new design implementations. The primary substitute maintains identical electrical performance while offering improved product availability and modern packaging options.

Substiute Parts

DAC811JP

Texas InstrumentsIn Stock: 1417DAC811JP Datasheet

Current PartRFQ

DAC811JU

Texas InstrumentsIn Stock: 2617DAC811JU Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The DAC811JU qualifies as a direct substitute for the DAC811JP based on the following criteria:

Electrical Parameter Equivalence:

• Identical 12-bit resolution and single D/A converter configuration
• Matching 4µs settling time and voltage-buffered output type
• Identical parallel data interface and internal reference architecture
• Matching R-2R topology with ±0.25/±0.5 LSB INL/DNL specifications
• Identical analog supply voltage range (±11.4V ~ 16.5V) and digital supply voltage (5V)
• Matching operating temperature range (0°C ~ 70°C)

Compliance Equivalence:

• Both parts maintain ROHS3 compliance and REACH unaffected status
• Identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications

Functional Difference:

• Package format differs: DAC811JP uses 28-DIP through-hole mounting; DAC811JU uses 28-SOIC surface-mount packaging
• Moisture sensitivity level differs: DAC811JP rated MSL 1 (Unlimited); DAC811JU rated MSL 3 (168 Hours)

Parameter Comparison

Engineering Selection Recommendations

The DAC811JU is the manufacturer-recommended substitute for the obsolete DAC811JP. Both components maintain identical electrical specifications, ensuring functional equivalence in data acquisition applications. The DAC811JU offers the advantage of active product status, providing assured long-term availability and supply chain continuity.

Selection between these parts depends on application requirements:

Choose DAC811JP when:

• Existing through-hole PCB designs require direct pin-compatible replacement without layout modification
• Unlimited moisture exposure tolerance is required (MSL 1 rating)

Choose DAC811JU when:

• New designs prioritize surface-mount technology for improved manufacturing efficiency
• Active product status and ongoing manufacturer support are required
• Standard moisture handling procedures (168-hour MSL 3 rating) are acceptable for the application environment

Both parts maintain identical compliance certifications (ROHS3, REACH unaffected, EAR99 ECCN classification), ensuring regulatory equivalence across applications.

Frequently Asked Questions (FAQ)

Q: Are the DAC811JP and DAC811JU electrically identical?

A: Yes. Both components share identical 12-bit resolution, 4µs settling time, R-2R architecture, ±0.25/±0.5 LSB INL/DNL specifications, and matching supply voltage requirements (±11.4V ~ 16.5V analog, 5V digital). Electrical performance is equivalent across all specified parameters.

Q: What is the primary difference between these parts?

A: The DAC811JP uses 28-DIP through-hole packaging, while the DAC811JU uses 28-SOIC surface-mount packaging. This packaging difference requires PCB layout modification when substituting between these parts. Additionally, moisture sensitivity levels differ: DAC811JP is MSL 1 (unlimited), while DAC811JU is MSL 3 (168 hours).

Q: Can I use the DAC811JU as a direct replacement in existing DAC811JP designs?

A: Electrical substitution is valid, but physical PCB layout modification is required due to different package formats. Through-hole DIP footprints cannot accommodate surface-mount SOIC packages without redesign. Consult PCB layout guidelines for proper SOIC footprint implementation.

Q: Why is the DAC811JP classified as obsolete?

A: The DAC811JP has reached end-of-life status. The DAC811JU represents the active product continuation, offering identical functionality with modern surface-mount packaging and ongoing manufacturer support.

Q: Are there compliance differences between these parts?

A: No. Both parts maintain ROHS3 compliance, REACH unaffected status, and identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. Regulatory equivalence is confirmed across all certifications.

Q: What does MSL 3 (168 Hours) mean for the DAC811JU?

A: Moisture Sensitivity Level 3 indicates the component can tolerate 168 hours of exposure to 85% relative humidity at 85°C before requiring baking. Standard moisture handling procedures during assembly and storage are required. MSL 1 (unlimited) for the DAC811JP indicates no moisture sensitivity restrictions.