TLC7524CFN Equivalent & Substitute Parts

Part Overview

The TLC7524CFN is an 8-bit digital-to-analog converter (DAC) manufactured by Texas Instruments, housed in a 20-PLCC surface mount package. This component features current output with unbuffered configuration, external reference capability, and R-2R architecture suitable for data acquisition applications. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity.

Substiute Parts

TLC7524CFN

Texas InstrumentsIn Stock: 2038TLC7524CFN Datasheet

Current PartRFQ

TLC7524IFN

Texas InstrumentsIn Stock: 1189TLC7524IFN Datasheet

UpgradeRFQ

AD7524JPZ

Analog Devices Inc.In Stock: 3384AD7524JPZ Datasheet

MFR RecommendedRFQ

AD7524KPZ

Analog Devices Inc.In Stock: 1994AD7524KPZ Datasheet

MFR RecommendedRFQ

AD7524KPZ-REEL

Analog Devices Inc.In Stock: 2188AD7524KPZ-REEL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TLC7524CFN is determined by the following critical parameters:

• 8-bit resolution with single D/A converter configuration
• Parallel data interface with external reference capability
• 20-PLCC (9x9) surface mount package footprint
• R-2R or Multiplying DAC architecture
• Differential current output capability
• ROHS3 compliance and MSL 1 rating

Substitute parts are grouped into two categories:

Category 1: Direct Upgrade (Texas Instruments) TLC7524IFN maintains identical electrical specifications with extended operating temperature range (-25°C ~ 85°C) and Last Time Buy status, providing direct functional replacement.

Category 2: Cross-Manufacturer Equivalents (Analog Devices Inc.) AD7524JPZ, AD7524KPZ, and AD7524KPZ-REEL offer equivalent 8-bit DAC functionality with active product status. These parts accommodate the same package footprint and parallel interface, with variations in settling time and output buffering that remain within acceptable substitution parameters.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred): TLC7524IFN is the primary substitute for TLC7524CFN. Both components are manufactured by Texas Instruments with identical electrical performance and package specifications. TLC7524IFN offers extended operating temperature range (-25°C ~ 85°C versus 0°C ~ 70°C) and Last Time Buy status, providing superior long-term availability assurance compared to the obsolete TLC7524CFN.

For Cross-Manufacturer Substitution: Analog Devices AD7524 series components (AD7524JPZ, AD7524KPZ, AD7524KPZ-REEL) provide functional equivalence with active product status and extended temperature range (-40°C ~ 85°C). These parts maintain identical package footprint, parallel interface, and differential output capability. Selection between AD7524JPZ and AD7524KPZ variants depends on settling time requirements: AD7524JPZ offers 250ns settling time, while AD7524KPZ provides 500ns with buffered output configuration. AD7524KPZ-REEL is the tape and reel packaging variant of AD7524KPZ, suitable for high-volume automated assembly.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with current manufacturing and environmental standards.

Frequently Asked Questions (FAQ)

Q: Can TLC7524IFN directly replace TLC7524CFN without circuit modification? A: Yes. TLC7524IFN maintains identical electrical specifications and 20-PLCC package footprint. The extended operating temperature range (-25°C ~ 85°C) provides additional margin beyond the original TLC7524CFN specification (0°C ~ 70°C).

Q: What is the primary difference between AD7524JPZ and AD7524KPZ? A: AD7524JPZ features unbuffered current output with 250ns settling time. AD7524KPZ provides buffered current output with 500ns settling time. Both maintain identical 8-bit resolution, parallel interface, and 20-PLCC package configuration. Selection depends on settling time requirements for your application.

Q: Are AD7524KPZ and AD7524KPZ-REEL electrically identical? A: Yes. AD7524KPZ-REEL is the tape and reel packaging variant of AD7524KPZ. Both components have identical electrical specifications and performance characteristics. The packaging difference accommodates different assembly processes: tube packaging for manual handling and tape & reel for automated pick-and-place assembly.

Q: Do all substitute parts support the same supply voltage ranges as TLC7524CFN? A: TLC7524CFN operates on 5V or 14.5V ~ 15.5V supplies. TLC7524IFN maintains identical supply specifications. AD7524JPZ supports 4.5V ~ 5.5V or ±14.6V ~ 16.5V supplies. AD7524KPZ and AD7524KPZ-REEL support 5V ~ 15V supplies. Verify supply voltage compatibility with your circuit design before substitution.

Q: Are all substitute parts ROHS3 compliant? A: Yes. TLC7524IFN, AD7524JPZ, AD7524KPZ, and AD7524KPZ-REEL are all ROHS3 compliant with MSL 1 rating, meeting current environmental and manufacturing standards.