TLC7524CFNR Equivalent & Substitute Parts

Part Overview

The TLC7524CFNR is an 8-bit digital-to-analog converter manufactured by Texas Instruments, housed in a 20-PLCC package with current output capability. This component is classified as Last Time Buy, indicating discontinued production. Identifying equivalent and substitute parts is essential for design continuity, inventory management, and long-term product support.

Substiute Parts

TLC7524CFNR

Texas InstrumentsIn Stock: 1100TLC7524CFNR Datasheet

Current PartRFQ

DAC0802LCMX/NOPB

Texas InstrumentsIn Stock: 1351DAC0802LCMX/NOPB Datasheet

MFR RecommendedRFQ

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 of the TLC7524CFNR is determined by the following critical parameters:

Primary Compatibility Criteria:

• 8-bit resolution with single D/A converter
• Parallel data interface with external reference
• Differential current output capability
• Surface mount package compatibility
• Operating temperature range alignment
• RoHS3 compliance and regulatory status

Substitution Groups:

Group 1: Direct Package Equivalents (20-PLCC) Parts maintaining identical 20-PLCC packaging with matching electrical specifications enable direct board-level substitution without layout modification.

Group 2: Alternative Package Solutions (16-SOIC) Parts with different package geometry require PCB redesign but maintain core 8-bit DAC functionality with parallel interface.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No PCB Modification): AD7524JPZ and AD7524KPZ series parts are preferred substitutes. Both maintain the 20-PLCC package footprint, enabling direct board-level replacement. AD7524JPZ provides unbuffered current output matching the original TLC7524CFNR architecture. AD7524KPZ offers buffered output with extended operating temperature range (-40°C to 85°C) compared to the original 0°C to 70°C specification. All Analog Devices parts carry Active product status with ROHS3 compliance and unlimited moisture sensitivity rating.

For Alternative Package Solutions: DAC0802LCMX/NOPB provides 8-bit DAC functionality in a 16-SOIC package. This substitution requires PCB redesign due to different package geometry. The DAC0802 series uses Multiplying DAC architecture and supports wider analog supply voltage range (±4.5V ~ 18V). This part maintains Active product status and ROHS3 compliance.

Compliance Considerations: All substitute parts listed maintain ROHS3 compliance, REACH Unaffected status, and EAR99 export classification matching the original component. Moisture sensitivity level remains at MSL 1 (Unlimited) across all alternatives.

Frequently Asked Questions (FAQ)

Q: Can AD7524JPZ directly replace TLC7524CFNR without circuit modification? A: Yes. Both parts share identical 20-PLCC package geometry, 8-bit resolution, parallel interface, and external reference configuration. AD7524JPZ provides unbuffered current output matching the original specification. Verify supply voltage compatibility in your application, as AD7524JPZ supports 4.5V ~ 5.5V and ±14.6V ~ 16.5V ranges.

Q: What is the difference between AD7524JPZ and AD7524KPZ? A: The primary difference is output buffering. AD7524JPZ provides unbuffered current output, while AD7524KPZ includes buffered output with 500ns settling time. AD7524KPZ also supports 5V ~ 15V supply voltage range. Both maintain identical 20-PLCC packaging and 8-bit resolution.

Q: Why would I choose DAC0802LCMX/NOPB over the AD7524 series? A: DAC0802LCMX/NOPB is selected when 16-SOIC package compatibility is required or when wider analog supply voltage range (±4.5V ~ 18V) is necessary. This substitution requires PCB redesign due to different package footprint and pin configuration.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the original TLC7524CFNR regulatory status.

Q: What is the temperature range difference between TLC7524CFNR and substitute parts? A: TLC7524CFNR operates 0°C ~ 70°C. AD7524JPZ, AD7524KPZ, and AD7524KPZ-REEL extend this to -40°C ~ 85°C. DAC0802LCMX/NOPB maintains 0°C ~ 70°C matching the original.

Q: Can I use AD7524KPZ-REEL as a substitute? A: Yes. AD7524KPZ-REEL is electrically identical to AD7524KPZ, differing only in packaging format (Tape & Reel versus Tube). Both provide buffered output, identical electrical specifications, and 20-PLCC package compatibility.