TLC7528IDWR Equivalent & Substitute Parts

Part Overview

The TLC7528IDWR is an 8-bit digital-to-analog converter (DAC) manufactured by Texas Instruments, featuring dual D/A conversion channels in a 20-SOIC surface mount package. This component is designed for applications requiring parallel data interface conversion with external voltage reference capability. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for supply chain optimization, or when design specifications allow for compatible alternatives with different performance characteristics within acceptable tolerances.

Substiute Parts

TLC7528IDWR
Texas InstrumentsIn Stock: 10149TLC7528IDWR Datasheet
TLC7528IDWR
Current Part
AD7528JRZ
Analog Devices Inc.In Stock: 2237AD7528JRZ Datasheet
AD7528JRZ
MFR Recommended
AD7528JRZ-REEL
Analog Devices Inc.In Stock: 337412AD7528JRZ-REEL Datasheet
AD7528JRZ-REEL
MFR Recommended
AD7528JRZ-REEL7
Analog Devices Inc.In Stock: 5866AD7528JRZ-REEL7 Datasheet
AD7528JRZ-REEL7
MFR Recommended
AD7528LRZ
Analog Devices Inc.In Stock: 1849AD7528LRZ Datasheet
AD7528LRZ
MFR Recommended

Key Parameters

Parameter Value
Resolution 8 Bit
Number of D/A Converters 2
Output Type Current - Unbuffered
Data Interface Parallel
Reference Type External
Voltage - Supply, Analog 5V ~ 15V
Voltage - Supply, Digital 5V ~ 15V
Architecture R-2R
Package / Case 20-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TLC7528IDWR is determined by the following critical parameters:

  • 8-bit resolution with dual D/A converter architecture
  • Parallel data interface with external reference capability
  • R-2R converter architecture
  • 20-SOIC surface mount package with identical physical dimensions
  • Supply voltage range compatibility (5V ~ 15V for both analog and digital supplies)
  • Current-unbuffered output configuration
  • RoHS3 compliance and unlimited MSL rating

The substitute parts listed below maintain these core functional and physical specifications. Variations in settling time, INL/DNL accuracy, and operating temperature range represent performance differences that do not affect fundamental substitutability within the specified parameter envelope.

Parameter Comparison

Parameter TLC7528IDWR AD7528JRZ AD7528JRZ-REEL AD7528JRZ-REEL7 AD7528LRZ
Manufacturer Texas Instruments Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Number of Bits 8 8 8 8 8
Number of D/A Converters 2 2 2 2 2
Settling Time 100ns 400ns 400ns 400ns 400ns
Output Type Current - Unbuffered Current - Unbuffered Current - Unbuffered Current - Unbuffered Current - Unbuffered
Data Interface Parallel Parallel Parallel Parallel Parallel
Reference Type External External External External External
Voltage - Supply, Analog 5V ~ 15V 5V ~ 15V 5V ~ 15V 5V ~ 15V 5V ~ 15V
Voltage - Supply, Digital 5V ~ 15V 5V ~ 15V 5V ~ 15V 5V ~ 15V 5V ~ 15V
INL/DNL (LSB) ±0.5 / ±0.5 ±1 / ±1 ±1 / ±1 ±1 / ±1 ±0.5 / ±1
Architecture R-2R R-2R R-2R R-2R R-2R
Operating Temperature -25°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Packaging Format Tape & Reel (TR) Tube Cut Tape (CT) & Digi-Reel® Cut Tape (CT) & Digi-Reel® Tube

Engineering Selection Recommendations

All listed substitute parts maintain active product status and full RoHS3 compliance. Selection among the AD7528 variants should be based on packaging requirements and supply chain availability:

  • AD7528JRZ and AD7528LRZ are supplied in tube packaging, suitable for lower-volume applications or manual assembly processes.
  • AD7528JRZ-REEL and AD7528JRZ-REEL7 are supplied in cut tape with Digi-Reel format, optimized for automated pick-and-place assembly and higher-volume production runs.

The AD7528LRZ variant offers improved INL accuracy (±0.5 LSB) matching the TLC7528IDWR specification, while AD7528JRZ variants specify ±1 LSB INL. All Analog Devices variants support extended operating temperature range (-40°C to 85°C) compared to the TLC7528IDWR (-25°C to 85°C).

Frequently Asked Questions (FAQ)

Q: Can AD7528 variants be used as direct replacements for TLC7528IDWR in existing designs?

A: Yes, all listed AD7528 variants are functionally compatible. The 20-SOIC package dimensions are identical, and all electrical specifications fall within acceptable substitution parameters. Settling time differences (100ns vs. 400ns) and INL/DNL variations must be evaluated against specific application timing and accuracy requirements.

Q: What is the difference between AD7528JRZ-REEL and AD7528JRZ-REEL7?

A: Both variants are supplied in cut tape with Digi-Reel packaging. The primary difference is inventory availability and reel configuration. Electrical specifications and performance characteristics are identical.

Q: Does the extended operating temperature range of AD7528 parts affect compatibility?

A: No. The AD7528 extended range (-40°C to 85°C) is a superset of the TLC7528IDWR range (-25°C to 85°C). This represents improved capability rather than a compatibility limitation.

Q: How do packaging format differences impact part selection?

A: Tube packaging (AD7528JRZ, AD7528LRZ) is suitable for manual handling and lower-volume applications. Cut tape with Digi-Reel format (AD7528JRZ-REEL, AD7528JRZ-REEL7) is optimized for automated assembly equipment. Functional performance is identical across all packaging formats.

Q: Are there any compliance or certification differences between the main part and substitutes?

A: All parts maintain ROHS3 compliance, unlimited MSL rating, and identical REACH and ECCN classifications. No compliance barriers exist for substitution.

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