THS5641IDW Equivalent & Substitute Parts

Part Overview

The THS5641IDW is an 8-bit digital-to-analog converter (DAC) manufactured by Texas Instruments, designed for data acquisition applications. This device features a current-unbuffered output architecture with parallel data interface and supports both external and internal reference configurations. The THS5641IDW is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and new design implementations.

Substiute Parts

THS5641IDW

Texas InstrumentsIn Stock: 1213THS5641IDW Datasheet

Current PartRFQ

THS5641AIDW

Texas InstrumentsIn Stock: 1248THS5641AIDW Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the THS5641IDW is determined by strict equivalence across the following critical parameters:

• Resolution: 8-bit conversion capability
• Output Architecture: Current-unbuffered configuration with differential output capability
• Data Interface: Parallel input structure
• Reference Configuration: Support for both external and internal reference types
• Supply Voltage Range: 3V to 5.5V for both analog and digital supplies
• Linearity Specifications: INL/DNL performance of ±0.1 and ±0.05 LSB respectively
• Settling Time: 35ns typical response time
• Package Compatibility: 28-SOIC surface mount form factor
• Operating Temperature Range: -40°C to 85°C

The THS5641AIDW meets all these criteria as a parametric equivalent, maintaining identical electrical specifications and mechanical compatibility while offering improved product status and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The THS5641AIDW is the direct parametric equivalent for the obsolete THS5641IDW. Both devices share identical electrical and mechanical specifications, ensuring pin-for-pin and functional compatibility in existing circuit designs.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The THS5641IDW is classified as obsolete, indicating discontinued manufacturing and limited availability. The THS5641AIDW maintains active production status, ensuring reliable supply chain access and long-term availability.

Additionally, the THS5641AIDW achieves ROHS3 compliance, whereas the THS5641IDW is RoHS non-compliant. For applications subject to environmental or procurement regulations requiring RoHS compliance, the THS5641AIDW is the appropriate selection.

Both devices maintain identical REACH and ECCN classifications, with no additional regulatory considerations affecting substitution decisions.

Frequently Asked Questions (FAQ)

Q: Can the THS5641AIDW directly replace the THS5641IDW in existing designs?

A: Yes. The THS5641AIDW is a parametric equivalent with identical electrical specifications, pin configuration, and 28-SOIC package dimensions. No circuit modifications are required for direct substitution.

Q: What is the primary reason to transition from THS5641IDW to THS5641AIDW?

A: The THS5641IDW is obsolete with limited inventory availability. The THS5641AIDW is in active production, ensuring consistent supply and long-term component availability for ongoing manufacturing and support.

Q: Are there compliance differences between these parts?

A: Yes. The THS5641AIDW is ROHS3 compliant, while the THS5641IDW is RoHS non-compliant. For applications requiring RoHS compliance, the THS5641AIDW is the mandated selection.

Q: Do these parts have identical performance characteristics?

A: Yes. Both devices specify 8-bit resolution, 35ns settling time, ±0.1 and ±0.05 LSB INL/DNL performance, and identical supply voltage ranges of 3V to 5.5V for analog and digital supplies.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 28-SOIC package with 0.295" (7.50mm) width, ensuring mechanical compatibility with existing PCB layouts and assembly processes.

Q: What is the inventory status of each part?

A: The THS5641IDW has 1143 pieces in stock as new original inventory. The THS5641AIDW has 1215 pieces in stock as new original inventory.