ADS8513IBDWR Equivalent & Substitute Parts

Part Overview

The ADS8513IBDWR is a 16-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for single-ended input data acquisition applications. This Surface Mount Device (SMD) operates with a 40 kHz sampling rate and utilizes a Successive Approximation Register (SAR) architecture with integrated Sample-and-Hold functionality. The part is classified as Active and is ROHS3 compliant.

Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or alternative sourcing is required for supply chain continuity. The ADS8513IBDWR maintains full parametric compatibility with specific alternative models within the Texas Instruments ADC product line.

Substiute Parts

ADS8513IBDWR

Texas InstrumentsIn Stock: 1108ADS8513IBDWR Datasheet

Current PartRFQ

ADS7813U/1K

Texas InstrumentsIn Stock: 809ADS7813U/1K Datasheet

Parametric EquivalentRFQ

ADS8513IDWR

Texas InstrumentsIn Stock: 2198ADS8513IDWR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ADS8513IBDWR is determined by strict parametric matching across all critical electrical and mechanical specifications. The following parameters must remain identical for direct substitution:

• 16-bit resolution
• 40 kHz sampling rate
• Single input channel
• Single-ended input configuration
• SPI serial data interface
• SAR architecture with integrated Sample-and-Hold
• 1:1 Sample-and-Hold to ADC ratio
• External and Internal reference capability
• 5V analog and digital supply voltages
• -40°C to 85°C operating temperature range
• 16-SOIC package with 0.295" (7.50mm) width
• Surface Mount technology

Substitute parts identified for the ADS8513IBDWR maintain full compliance with these parameters. Variations in product status, inventory levels, moisture sensitivity classification, or HTSUS coding do not affect functional substitutability.

Parameter Comparison

Engineering Selection Recommendations

ADS8513IDWR is the primary substitute for ADS8513IBDWR. Both parts share identical Active product status, matching MSL classification (Level 2, 1 Year), and equivalent compliance certifications. The ADS8513IDWR maintains full parametric equivalence and represents the direct alternative within the same product generation. Current inventory availability for ADS8513IDWR is 2160 units.

ADS7813U/1K is a secondary substitute option. This part maintains complete parametric compatibility across all critical electrical and mechanical specifications. However, the ADS7813U/1K carries Last Time Buy status, indicating discontinued production. The MSL classification differs at Level 3 (168 Hours), requiring stricter moisture control during storage and handling. Selection of ADS7813U/1K is appropriate only when ADS8513IDWR is unavailable and supply chain continuity is not a primary concern. Current inventory availability for ADS7813U/1K is 744 units.

Both substitute parts are ROHS3 compliant, REACH unaffected, and classified under EAR99 export control. Selection between substitutes should prioritize part status and long-term availability requirements.

Frequently Asked Questions (FAQ)

Q: Can ADS8513IDWR be used as a direct replacement for ADS8513IBDWR?

A: Yes. The ADS8513IDWR is a direct parametric equivalent. All electrical specifications, package dimensions, pin configurations, and operating characteristics are identical. Both parts are Active status with matching MSL ratings.

Q: What is the difference between ADS8513IBDWR and ADS7813U/1K?

A: Both parts are parametrically equivalent in terms of resolution, sampling rate, input configuration, data interface, and package type. The primary differences are: ADS7813U/1K carries Last Time Buy status (production discontinued), and has MSL Level 3 classification versus Level 2 for ADS8513IBDWR. MSL Level 3 requires more stringent moisture control (168-hour floor life versus 1-year floor life).

Q: Are there any pin-level differences between these substitute parts?

A: No. All three parts utilize the 16-SOIC package with identical 0.295" (7.50mm) width. Pin count, pin assignment, and electrical pin characteristics are identical across all substitutes.

Q: Can I use ADS7813U/1K if ADS8513IDWR is unavailable?

A: Yes, from a functional standpoint. However, the Last Time Buy status of ADS7813U/1K indicates no future production. If long-term supply continuity is required, ADS8513IDWR is the preferred choice. Additionally, the higher MSL classification (Level 3) requires enhanced moisture control during storage and handling.

Q: What does MSL Level 2 versus Level 3 mean for component handling?

A: MSL (Moisture Sensitivity Level) indicates the maximum time a component can remain exposed to ambient conditions before requiring baking. Level 2 allows 1 year of floor life, while Level 3 allows only 168 hours (7 days). Components with higher MSL ratings require more careful moisture management and shorter storage windows after opening sealed packaging.

Q: Are all three parts suitable for new design implementations?

A: ADS8513IBDWR and ADS8513IDWR are both Active parts suitable for new designs. ADS7813U/1K carries Last Time Buy status and is not recommended for new design implementations due to discontinued production.

Q: Do these parts require different PCB layouts or design considerations?

A: No. The identical 16-SOIC package and pin configuration eliminate the need for PCB layout modifications. Schematic connections, reference circuit design, and signal routing remain unchanged across all three parts.