TLC7524IPWG4 Equivalent & Substitute Parts

Part Overview

The TLC7524IPWG4 is an 8-bit digital-to-analog converter (DAC) manufactured by Texas Instruments, designed for data acquisition applications requiring current output in a 16-TSSOP surface mount package. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The TLC7524IPWG4 delivers unbuffered current output with external reference capability and R-2R architecture, suitable for precision analog signal generation in industrial and instrumentation systems.

Substiute Parts

TLC7524IPWG4

Texas InstrumentsIn Stock: 935TLC7524IPWG4 Datasheet

Current PartRFQ

TLC7524IPW

Texas InstrumentsIn Stock: 879TLC7524IPW Datasheet

MFR RecommendedRFQ

AD5424YRUZ

Analog Devices Inc.In Stock: 1871AD5424YRUZ Datasheet

MFR RecommendedRFQ

AD5424YRUZ-REEL

Analog Devices Inc.In Stock: 3301AD5424YRUZ-REEL Datasheet

MFR RecommendedRFQ

AD5424YRUZ-REEL7

Analog Devices Inc.In Stock: 3775AD5424YRUZ-REEL7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TLC7524IPWG4 is determined by strict equivalence in the following critical parameters: 8-bit resolution, single D/A converter, current output (unbuffered), differential output capability, parallel data interface, external reference requirement, R-2R architecture, and 16-TSSOP package footprint. All substitute parts maintain identical package geometry and mounting type, ensuring direct PCB compatibility without layout modifications.

The substitute parts are grouped into two categories based on manufacturer and product status:

Texas Instruments TLC7524 Series: The TLC7524IPW maintains full electrical and mechanical equivalence to the TLC7524IPWG4, with identical settling time (100ns), supply voltage ranges (5V, 14.5V ~ 15.5V), and INL/DNL specifications (±0.5 Max, ±2.5 Max). This part is currently active in production.

Analog Devices AD5424 Series: The AD5424YRUZ, AD5424YRUZ-REEL, and AD5424YRUZ-REEL7 provide functional equivalence with enhanced performance characteristics. These parts maintain the same 8-bit resolution, current output, differential output, parallel interface, external reference, R-2R architecture, and 16-TSSOP package. Differences exist in settling time (120ns vs. 100ns), supply voltage range (2.5V ~ 5.5V vs. 5V, 14.5V ~ 15.5V), and INL/DNL specifications (±0.25 Max, ±0.5 Max vs. ±0.5 Max, ±2.5 Max). All AD5424 variants are active products with higher inventory availability.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: The TLC7524IPW is the direct equivalent for the TLC7524IPWG4, maintaining identical electrical specifications and operating parameters. This part is currently active in production and available in tube packaging, making it the preferred choice for applications requiring exact performance matching.

Alternative Substitutes: The AD5424YRUZ, AD5424YRUZ-REEL, and AD5424YRUZ-REEL7 provide functional equivalence with enhanced performance characteristics. These parts offer improved INL/DNL accuracy (±0.25 Max vs. ±0.5 Max), extended operating temperature range (-40°C ~ 125°C vs. -25°C ~ 85°C), and wider supply voltage tolerance (2.5V ~ 5.5V vs. 5V, 14.5V ~ 15.5V). All three AD5424 variants are ROHS3 compliant and MSL 1 rated. Selection among AD5424 variants depends on packaging requirements: AD5424YRUZ for tube packaging, AD5424YRUZ-REEL for tape and reel, and AD5424YRUZ-REEL7 for cut tape with Digi-Reel® option.

Frequently Asked Questions (FAQ)

Q: Can the TLC7524IPW directly replace the TLC7524IPWG4 without circuit modifications?

A: Yes. The TLC7524IPW maintains identical electrical specifications, settling time, supply voltage ranges, INL/DNL performance, and 16-TSSOP package footprint. No circuit modifications are required for direct substitution.

Q: What are the key differences between the TLC7524IPW and AD5424 series?

A: The primary differences are settling time (100ns vs. 120ns), supply voltage range (5V, 14.5V ~ 15.5V vs. 2.5V ~ 5.5V), INL/DNL specifications (±0.5 Max, ±2.5 Max vs. ±0.25 Max, ±0.5 Max), and operating temperature range (-25°C ~ 85°C vs. -40°C ~ 125°C). All other functional parameters remain equivalent.

Q: Are the AD5424 variants electrically identical?

A: Yes. The AD5424YRUZ, AD5424YRUZ-REEL, and AD5424YRUZ-REEL7 are electrically identical. The differences are packaging format only: tube, tape and reel, and cut tape with Digi-Reel® respectively.

Q: Is the 16-TSSOP package footprint identical across all substitute parts?

A: Yes. All substitute parts use the 16-TSSOP package with 0.173" width and 4.40mm dimensions, ensuring direct PCB compatibility without layout changes.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The TLC7524IPW and all AD5424 variants are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: Which substitute should be selected for extended temperature applications?

A: The AD5424 series supports -40°C ~ 125°C operating temperature, compared to -25°C ~ 85°C for the TLC7524 series. Select AD5424 variants for applications requiring extended temperature range.

Q: Can the AD5424 series be used in applications designed for the TLC7524IPWG4?

A: Yes, with consideration of supply voltage requirements. The AD5424 series operates on 2.5V ~ 5.5V supply, which is compatible with 5V systems but offers wider tolerance. The enhanced INL/DNL accuracy and extended temperature range provide performance benefits in most applications.