LMC7215IMX Equivalent & Substitute Parts

Part Overview

The LMC7215IMX is a general-purpose comparator IC manufactured by Texas Instruments, housed in an 8-SOIC package. This part is classified as obsolete, which necessitates identification of active alternative components that maintain functional and electrical compatibility for new designs or production transitions. The LMC7215IMX delivers push-pull output configuration with single/dual supply voltage operation across 2V to 8V or ±1V to 4V ranges, making it suitable for precision signal comparison applications.

Substiute Parts

LMC7215IMX

Texas InstrumentsIn Stock: 3887LMC7215IMX Datasheet

Current PartRFQ

LMC7215IMX/NOPB

Texas InstrumentsIn Stock: 3308LMC7215IMX/NOPB Datasheet

DirectRFQ

MAX40004ANS02+

Analog Devices Inc./Maxim IntegratedIn Stock: 980MAX40004ANS02+ Datasheet

MFR RecommendedRFQ

MAX40005ANS02+T

Analog Devices Inc./Maxim IntegratedIn Stock: 726MAX40005ANS02+T Datasheet

MFR RecommendedRFQ

MAX9646EBS+TG45

Analog Devices Inc./Maxim IntegratedIn Stock: 2310MAX9646EBS+TG45 Datasheet

MFR RecommendedRFQ

TC75S70L6X,LF

Toshiba Semiconductor and StorageIn Stock: 5958TC75S70L6X,LF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LMC7215IMX is determined by the following critical parameters:

• Output Type: Push-Pull configuration required
• Number of Elements: Single comparator
• Supply Voltage Range: Compatibility with 2V ~ 8V or ±1V ~ 5.5V operation
• Input Offset Voltage: Maximum 10mV acceptable
• Quiescent Current: Maximum 1.3µA acceptable
• Propagation Delay: Maximum 25µs acceptable
• Operating Temperature: Minimum -40°C ~ 85°C required
• Mounting Type: Surface Mount

The substitute parts identified maintain these core electrical characteristics while offering improvements in product status (active vs. obsolete), RoHS compliance, and in some cases, enhanced performance metrics. Package form factors differ across substitutes, requiring PCB layout evaluation during design transition.

Parameter Comparison

Engineering Selection Recommendations

LMC7215IMX/NOPB is the direct functional equivalent with identical electrical specifications and 8-SOIC package compatibility. This part transitions from obsolete to active product status and achieves ROHS3 compliance, making it the preferred choice for designs requiring minimal PCB modification. Packaging format remains unchanged (Tape & Reel), supporting production continuity.

MAX40004ANS02+ and MAX40005ANS02+T offer extended operating temperature range (-40°C ~ 125°C) and improved RoHS3 compliance. MAX40005ANS02+T includes integrated voltage reference functionality. Both require PCB redesign due to 4-WLP package transition from 8-SOIC. MAX40005ANS02+T delivers faster propagation delay (9µs typical) and lower quiescent current (1.1µA), beneficial for power-sensitive applications.

MAX9646EBS+TG45 provides the widest supply voltage range (1V ~ 5.5V) and fastest propagation delay (15µs) among compact packages. The 4-UCSP form factor (1.05x1.05) requires significant PCB layout revision but enables space-constrained designs.

TC75S70L6X,LF delivers the fastest propagation delay (800ns) and lowest input bias current (1pA @ 3V), suitable for high-speed comparison requirements. The 6-MP6C package (1.45x1.0) represents a middle ground between 8-SOIC and ultra-compact options. Quiescent current is elevated at 35µA, requiring evaluation for battery-powered applications.

Frequently Asked Questions (FAQ)

Q: Can LMC7215IMX/NOPB be used as a direct replacement without PCB modification?

A: Yes. LMC7215IMX/NOPB maintains identical electrical specifications, output type (push-pull), package format (8-SOIC), and pin configuration. The transition from obsolete to active product status and ROHS3 compliance make this the zero-risk substitution path.

Q: What are the key differences between MAX40004ANS02+ and MAX40005ANS02+T?

A: MAX40005ANS02+T integrates an internal voltage reference and delivers faster propagation delay (9µs typical vs. 25µs maximum for MAX40004ANS02+). Both share identical supply voltage range (1.7V ~ 5.5V), package format (4-WLP), and extended temperature range (-40°C ~ 125°C). Selection depends on whether integrated reference functionality is required.

Q: Why does TC75S70L6X,LF have significantly higher quiescent current (35µA) compared to other substitutes?

A: The TC75S70L6X,LF achieves exceptional propagation delay performance (800ns) through different circuit topology, resulting in elevated quiescent current consumption. This trade-off is acceptable for applications prioritizing speed over power efficiency.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts (LMC7215IMX/NOPB, MAX40004ANS02+, MAX40005ANS02+T, MAX9646EBS+TG45, and TC75S70L6X,LF) achieve ROHS3 compliance, whereas the original LMC7215IMX is RoHS non-compliant.

Q: Which substitute requires the least PCB redesign effort?

A: LMC7215IMX/NOPB requires zero PCB modification, maintaining the 8-SOIC package and identical pinout. All other substitutes require package redesign and potential layout changes due to different form factors and pin configurations.

Q: What is the operating temperature advantage of MAX40004ANS02+ and MAX40005ANS02+T?

A: Both parts support extended operating temperature range of -40°C ~ 125°C compared to -40°C ~ 85°C for the original LMC7215IMX and most other substitutes. This extended range is beneficial for industrial and automotive applications.