LM35DM/NOPB Temperature Sensor Equivalent & Substitute Parts

Part Overview

The LM35DM/NOPB is an analog temperature sensor manufactured by Texas Instruments, designed for local temperature measurement applications within the 0°C to 100°C range. This component outputs an analog voltage signal with a linear response of 10mV per degree Celsius, making it suitable for direct integration into analog measurement circuits.

The LM35DM/NOPB is classified as obsolete, which necessitates identification of active equivalent parts for new designs and ongoing production requirements. Substitute parts must maintain identical electrical performance characteristics and mechanical compatibility to ensure direct replacement capability without circuit redesign.

Substiute Parts

LM35DM/NOPB

Texas InstrumentsIn Stock: 5266LM35DM/NOPB Datasheet

Current PartRFQ

LM35DMX/NOPB

Texas InstrumentsIn Stock: 89876LM35DMX/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM35DM/NOPB is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Identical sensor type (Analog, Local)
• Identical sensing temperature range (0°C ~ 100°C)
• Identical output type (Analog Voltage)
• Identical resolution (10mV/°C)
• Identical supply voltage range (4V ~ 30V)
• Identical accuracy specification (±1.5°C at 25°C)

Mechanical Equivalence Requirements:

• Identical package type (8-SOIC with 0.154" / 3.90mm width)
• Identical mounting type (Surface Mount)
• Identical pin configuration and footprint

Compliance Equivalence Requirements:

• ROHS3 compliance maintained
• Moisture Sensitivity Level 1 (Unlimited)

Parts meeting all three equivalence categories are classified as direct substitutes. The LM35DMX/NOPB satisfies all substitution criteria and is designated as the manufacturer-recommended equivalent.

Parameter Comparison

Engineering Selection Recommendations

The LM35DMX/NOPB is the direct substitute for the obsolete LM35DM/NOPB. Both parts are manufactured by Texas Instruments and share identical electrical specifications, mechanical packaging, and compliance certifications.

Selection Basis:

The LM35DMX/NOPB is designated as the manufacturer-recommended replacement due to:

1. Product Status: The LM35DMX/NOPB maintains active production status, ensuring long-term availability and supply chain continuity, whereas the LM35DM/NOPB is obsolete.

2. Electrical Equivalence: All electrical parameters are identical, including sensor type, temperature range, output characteristics, resolution, supply voltage requirements, and accuracy specifications.

3. Mechanical Compatibility: The 8-SOIC package footprint, pin configuration, and surface mount characteristics are identical, enabling direct PCB-level substitution without layout modifications.

4. Compliance Alignment: Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, satisfying regulatory and environmental requirements.

5. Packaging Availability: The LM35DMX/NOPB is available in Cut Tape and Digi-Reel packaging formats, supporting both prototype and production volume requirements.

For applications currently using the LM35DM/NOPB, transition to the LM35DMX/NOPB is supported without circuit redesign or performance degradation.

Frequently Asked Questions (FAQ)

Q: Can the LM35DMX/NOPB be used as a direct replacement for the LM35DM/NOPB?

A: Yes. The LM35DMX/NOPB is electrically and mechanically equivalent to the LM35DM/NOPB. All electrical parameters, package specifications, and compliance certifications are identical. Direct substitution is supported at the component level without circuit modifications.

Q: What is the difference between the LM35DM/NOPB and LM35DMX/NOPB?

A: The primary difference is product status. The LM35DM/NOPB is obsolete, while the LM35DMX/NOPB is active production. The electrical specifications, accuracy, temperature range, output characteristics, and physical packaging are identical between both parts.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 8-SOIC package with a width of 0.154 inches (3.90mm). The pin configuration and footprint are identical, supporting direct PCB-level substitution.

Q: What packaging formats are available for the LM35DMX/NOPB?

A: The LM35DMX/NOPB is available in Cut Tape (CT) and Digi-Reel packaging formats, supporting both prototype development and production volume applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the LM35DM/NOPB and LM35DMX/NOPB are ROHS3 compliant and carry identical moisture sensitivity ratings of Level 1 (Unlimited).

Q: What is the temperature measurement range for these sensors?

A: Both sensors measure local temperature within the range of 0°C to 100°C with a linear output of 10mV per degree Celsius and an accuracy of ±1.5°C at 25°C.

Q: What supply voltage range is required?

A: Both sensors operate with a supply voltage range of 4V to 30V, providing flexibility for integration into various circuit topologies.