TLV2544CD Equivalent & Substitute Parts

Part Overview

The TLV2544CD is a 12-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for data acquisition applications requiring 4 single-ended inputs with a 200 kSPS sampling rate. The device features a Successive Approximation Register (SAR) architecture with integrated multiplexer and sample-and-hold functionality, housed in a 16-SOIC surface mount package.

The TLV2544CD is designated as Last Time Buy, indicating end-of-life status. Identifying equivalent substitute parts is essential for design continuity, long-term product support, and inventory planning for applications currently utilizing this component.

Substiute Parts

TLV2544CD

Texas InstrumentsIn Stock: 42907TLV2544CD Datasheet

Current PartRFQ

ADC124S021CIMMX/NOPB

Texas InstrumentsIn Stock: 1792ADC124S021CIMMX/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLV2544CD is determined by strict equivalence across the following critical parameters:

• Resolution & Sampling Rate: 12-bit resolution at 200 kSPS minimum
• Channel Configuration: 4 single-ended inputs with integrated multiplexer
• Architecture: SAR-based ADC with sample-and-hold
• Data Interface: SPI and DSP protocol support
• Supply Voltage Compatibility: Overlapping analog and digital supply ranges
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The ADC124S021CIMMX/NOPB meets these core functional requirements while offering extended operating temperature range and active product status. Package differences (16-SOIC vs. 10-VSSOP) represent the primary physical distinction and require PCB layout redesign.

Parameter Comparison

Engineering Selection Recommendations

The ADC124S021CIMMX/NOPB is the designated manufacturer-recommended substitute for the TLV2544CD. Both devices are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for industrial and commercial applications.

The substitute part offers extended operating temperature range (-40°C to 85°C versus 0°C to 70°C), providing broader environmental compatibility. The ADC124S021CIMMX/NOPB maintains active product status, ensuring long-term availability and manufacturing support compared to the Last Time Buy status of the TLV2544CD.

Supply voltage ranges differ slightly: the substitute operates within 2.7V to 5.25V versus the original's 2.7V to 5.5V. Applications requiring operation above 5.25V require design verification. The package transition from 16-SOIC to 10-VSSOP necessitates PCB layout modification and footprint redesign.

Frequently Asked Questions (FAQ)

Q: Can the ADC124S021CIMMX/NOPB directly replace the TLV2544CD without design changes?

A: Functional substitution is possible due to identical resolution, sampling rate, channel configuration, and data interface specifications. However, the package change from 16-SOIC to 10-VSSOP requires PCB footprint redesign and layout modification. Pin-to-pin compatibility does not exist.

Q: What are the key differences between these parts?

A: The primary differences are package type (16-SOIC vs. 10-VSSOP), operating temperature range (-40°C to 85°C vs. 0°C to 70°C), maximum supply voltage (5.25V vs. 5.5V), and product status (Active vs. Last Time Buy). Functional ADC specifications remain identical.

Q: Is the reduced maximum supply voltage of the substitute a concern?

A: Applications operating at or below 5.25V are unaffected. Designs requiring operation above 5.25V must be evaluated for compatibility or alternative solutions identified.

Q: Why is the substitute part in a smaller package?

A: The 10-VSSOP package represents a more compact form factor while maintaining identical functional specifications. This reflects modern component miniaturization trends and improved thermal performance in smaller packages.

Q: Are both parts suitable for industrial temperature applications?

A: The ADC124S021CIMMX/NOPB supports extended temperature range (-40°C to 85°C), making it suitable for industrial applications. The TLV2544CD is limited to 0°C to 70°C, restricting use in extreme temperature environments.