LMV7275MF Equivalent & Substitute Parts

Part Overview

The LMV7275MF is a general-purpose CMOS comparator with open-drain, rail-to-rail output in SOT-23-5 surface mount packaging. Manufactured by Texas Instruments, this device operates across a wide supply voltage range of 1.8V to 5.5V (single supply) or ±0.9V to 2.75V (dual supply). The part is currently in Last Time Buy status, making identification of active equivalent and substitute components essential for design continuity and procurement planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	LMV7275MF
Manufacturer	Texas Instruments
Category	Linear
Type	General Purpose Comparator
Output Type	CMOS, Open-Drain, Rail-to-Rail
Supply Voltage (Single/Dual)	1.8V ~ 5.5V / ±0.9V ~ 2.75V
Input Offset Voltage (Max)	4mV @ 5V
Input Bias Current (Max)	0.01µA @ 5V
Quiescent Current (Max)	14µA
CMRR / PSRR (Typ)	78dB / 80dB
Propagation Delay (Max)	2.1µs
Operating Temperature	-40°C ~ 85°C
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Mounting Type	Surface Mount
Product Status	Last Time Buy
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the LMV7275MF is determined by the following critical parameters:

Electrical Compatibility Requirements:

Supply voltage range must encompass or match the 1.8V ~ 5.5V single supply specification
Output type must be CMOS, open-drain, or rail-to-rail compatible
Input offset voltage, input bias current, and quiescent current must be within acceptable design tolerances
CMRR and PSRR performance must support the application's noise rejection requirements
Propagation delay must not exceed system timing constraints

Physical Compatibility Requirements:

Package must be SOT-23-5 (SC-74A, SOT-753) for direct PCB footprint compatibility
Surface mount mounting type required
MSL rating of 1 or equivalent moisture sensitivity level

Regulatory & Compliance Requirements:

RoHS3 compliance mandatory
REACH unaffected status required
Identical ECCN and HTSUS classifications preferred

Substitute parts are grouped into two categories: parametric equivalents (identical electrical and physical specifications with different packaging or manufacturer variants) and manufacturer-recommended alternatives (functionally equivalent with minor parameter variations acceptable for general-purpose applications).

Parameter Comparison

Part Number	Manufacturer	Supply Voltage	Input Offset (Max)	Input Bias (Max)	Quiescent Current (Max)	Propagation Delay (Max)	Package	Product Status	Inventory
LMV7275MF	Texas Instruments	1.8V ~ 5.5V	4mV @ 5V	0.01µA @ 5V	14µA	2.1µs	SOT-23-5	Last Time Buy	35200 Pcs
LMV7275MF/NOPB	Texas Instruments	1.8V ~ 5.5V	4mV @ 5V	0.01µA @ 5V	14µA	2.1µs	SOT-23-5	Active	6948 Pcs
LMV7275MFX/NOPB	National Semiconductor	1.8V ~ 5.5V	4mV @ 5V	0.01µA @ 5V	14µA	2.1µs	SOT-23-5	Active	2078 Pcs
MAX988EUK+T	Analog Devices Inc./Maxim Integrated	2.5V ~ 5.5V	5mV @ 5.5V	1pA @ 5.5V	96µA	210ns	SOT-23-5	Active	1490 Pcs
MCP6566UT-E/OT	Microchip Technology	1.8V ~ 5.5V	10mV @ 5.5V	1pA @ 5.5V	130µA	80ns	SOT-23-5	Active	2980 Pcs
MCP65R46T-1202E/CHY	Microchip Technology	1.8V ~ 5.5V	10mV @ 5.5V	1pA @ 5.5V	4µA	8µs	SOT-23-6	Active	3325 Pcs
TS331ILT	STMicroelectronics	1.6V ~ 5V	5mV @ 5V	0.04µA @ 5V	26µA	720ns	SOT-23-5	Active	4255 Pcs
TS331IYLT	STMicroelectronics	1.6V ~ 5V	5mV @ 5V	0.04µA @ 5V	26µA	720ns	SOT-23-5	Active	3400 Pcs

Engineering Selection Recommendations

Parametric Equivalents (Direct Substitutes):

LMV7275MF/NOPB and LMV7275MFX/NOPB are parametric equivalents with identical electrical specifications. Both are Active status products suitable for immediate replacement. LMV7275MF/NOPB is the preferred choice due to higher inventory availability (6948 Pcs) and continued Texas Instruments support. LMV7275MFX/NOPB offers an alternative from National Semiconductor with lower inventory (2078 Pcs).

Manufacturer-Recommended Alternatives:

MAX988EUK+T (Analog Devices Inc./Maxim Integrated) provides faster propagation delay (210ns vs. 2.1µs) with lower input bias current (1pA vs. 0.01µA). Supply voltage minimum is higher at 2.5V, limiting use in applications requiring 1.8V operation. Quiescent current is significantly higher at 96µA.

MCP6566UT-E/OT (Microchip Technology) maintains the 1.8V ~ 5.5V supply range with faster propagation delay (80ns). Input offset voltage is higher at 10mV, and quiescent current is elevated at 130µA. Operating temperature extends to 125°C.

MCP65R46T-1202E/CHY (Microchip Technology) differs in package format (SOT-23-6 vs. SOT-23-5), requiring PCB layout modification. Quiescent current is significantly lower at 4µA. Propagation delay is slower at 8µs. Operating temperature extends to 125°C.

TS331ILT and TS331IYLT (STMicroelectronics) both maintain SOT-23-5 packaging with supply voltage range of 1.6V ~ 5V. Propagation delay is moderate at 720ns. TS331IYLT includes automotive-grade qualification (AEC-Q100) and is suitable for automotive applications. Both offer extended operating temperature to 125°C.

Selection Criteria:

For direct replacement without design modification, select LMV7275MF/NOPB. For applications requiring extended temperature operation (-40°C to 125°C), select TS331ILT or TS331IYLT. For automotive applications, TS331IYLT is mandatory. For applications requiring faster response time, select MCP6566UT-E/OT or MAX988EUK+T, with consideration for increased quiescent current and supply voltage constraints.

Frequently Asked Questions (FAQ)

Q: Can LMV7275MF/NOPB be used as a direct replacement for LMV7275MF?

A: Yes. LMV7275MF/NOPB is a parametric equivalent with identical electrical specifications. The primary difference is packaging format (Tape & Reel vs. Cut Tape) and Active product status versus Last Time Buy. No design changes are required.

Q: What is the key difference between LMV7275MFX/NOPB and LMV7275MF/NOPB?

A: Both are parametric equivalents with identical electrical and physical specifications. LMV7275MFX/NOPB is manufactured by National Semiconductor, while LMV7275MF/NOPB is manufactured by Texas Instruments. Inventory availability differs (2078 Pcs vs. 6948 Pcs).

Q: Can MAX988EUK+T replace LMV7275MF in all applications?

A: MAX988EUK+T is functionally equivalent but with important differences. Supply voltage minimum is 2.5V (vs. 1.8V), making it unsuitable for low-voltage applications. Propagation delay is significantly faster (210ns vs. 2.1µs), and quiescent current is higher (96µA vs. 14µA). Verify application requirements before substitution.

Q: Why does MCP65R46T-1202E/CHY require PCB modification?

A: MCP65R46T-1202E/CHY uses SOT-23-6 packaging instead of SOT-23-5. The additional pin requires different PCB footprint and layout. Direct socket substitution is not possible without PCB redesign.

Q: Which substitute part is suitable for automotive applications?

A: TS331IYLT is qualified to AEC-Q100 automotive standard and is the only substitute part with automotive-grade qualification. It maintains SOT-23-5 packaging and 1.6V ~ 5V supply range with extended operating temperature to 125°C.

Q: What is the impact of selecting TS331ILT or TS331IYLT on system timing?

A: Propagation delay increases from 2.1µs (LMV7275MF) to 720ns (TS331 series). This represents faster response time and may improve system performance in timing-critical applications. Verify that faster propagation delay does not introduce timing conflicts in the application circuit.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance and REACH unaffected status, matching the regulatory requirements of the original LMV7275MF.

Q: What is the recommended substitute if extended operating temperature is required?

A: MCP6566UT-E/OT, MCP65R46T-1202E/CHY, TS331ILT, and TS331IYLT all support operating temperature to 125°C (vs. 85°C for LMV7275MF). Select based on packaging requirements and propagation delay specifications.

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