LMV7239M5 Equivalent & Substitute Parts

Part Overview

The LMV7239M5 is a general-purpose comparator IC manufactured by Texas Instruments, housed in a SOT-23-5 surface mount package. This single-element push-pull comparator operates across a 2.7V to 5.5V supply voltage range and is designed for applications requiring low-power comparison functionality. The part is currently in Last Time Buy status, making identification of equivalent and substitute components essential for design continuity and procurement planning.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	LMV7239M5
Category	Linear - Comparator
Type	General Purpose
Output Type	Push-Pull
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Voltage - Supply, Single/Dual (±)	2.7V ~ 5.5V
Voltage - Input Offset (Max)	6mV @ 5V
Current - Input Bias (Max)	0.4µA @ 5V
Current - Quiescent (Max)	95µA
CMRR, PSRR (Typ)	67dB CMRR, 85dB PSRR
Propagation Delay (Max)	62ns
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution of the LMV7239M5 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Supply voltage range must encompass or match 2.7V ~ 5.5V
Output type must be Push-Pull configuration
Input offset voltage, input bias current, and quiescent current must be within acceptable design margins
Propagation delay characteristics must support application timing requirements

Physical Compatibility Requirements:

Package must be SOT-23-5 (SC-74A, SOT-753) for direct PCB footprint compatibility
Surface mount mounting type required
Pin configuration must match SOT-23-5 standard

Regulatory & Compliance Requirements:

RoHS3 compliance mandatory
MSL rating of 1 (Unlimited) preferred for handling flexibility

Substitute parts are grouped into two categories: parametric equivalents (identical electrical and physical specifications with different packaging options) and manufacturer-recommended alternatives (functionally equivalent with acceptable parameter variations).

Parameter Comparison

Parameter	LMV7239M5	LMV7239M5/NOPB	LMV7239M5X/NOPB	BU7251G-TR	MAX40009ANT+	MCP6561T-E/OT	TS3011ILT	TS3011IYLT	TS3021HIYLT	TS3021ICT	TS3021ILT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Rohm Semiconductor	Analog Devices Inc./Maxim Integrated	Microchip Technology	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Output Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	CMOS, Push-Pull, Rail-to-Rail, TTL	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull	Push-Pull	Push-Pull
Voltage - Supply (V)	2.7 ~ 5.5	2.7 ~ 5.5	2.7 ~ 5.5	1.8 ~ 5.5, ±0.9 ~ 2.75	1.7 ~ 5.5	1.8 ~ 5.5	2.2 ~ 5	2.2 ~ 5	1.8 ~ 5	1.8 ~ 5	1.8 ~ 5
Voltage - Input Offset Max (mV)	6 @ 5V	6 @ 5V	6 @ 5V	11 @ 3V	5	10 @ 5.5V	—	—	7 @ 5V	6 @ 5V	6 @ 5V
Current - Input Bias Max (µA)	0.4 @ 5V	0.4 @ 5V	0.4 @ 5V	0.001 @ 3V	0.14	0.000001 @ 5.5V	—	—	0.3	0.16 @ 5V	0.16 @ 5V
Current - Quiescent Max (µA)	95	95	95	35	17	130	1100	1100	125	90	90
CMRR Typ (dB)	67	67	67	80	—	66	—	—	67	79	79
PSRR Typ (dB)	85	85	85	80	—	70	—	—	—	—	—
Propagation Delay Max (ns)	62	62	62	550	850	80	—	—	140	105	105
Operating Temperature (°C)	-40 ~ 85	-40 ~ 85	-40 ~ 85	-40 ~ 85	-40 ~ 125	-40 ~ 125	—	—	-40 ~ 150	-40 ~ 125	-40 ~ 125
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	6-XFBGA, WLPBGA	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	5-TSSOP, SC-70-5, SOT-353	SC-74A, SOT-753
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	5-SSOP	6-WLP (1.08x0.73)	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SC-70-5	SOT-23-5
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Last Time Buy	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacements):

LMV7239M5/NOPB and LMV7239M5X/NOPB are parametric equivalents of the LMV7239M5, offering identical electrical specifications and SOT-23-5 packaging. Both parts are in Active product status with higher inventory availability (8717 and 65100 units respectively). These parts differ only in packaging format (Tape & Reel versus Cut Tape & Digi-Reel) and REACH status classification. Selection between these variants depends on procurement volume and supply chain requirements.

Manufacturer-Recommended Alternatives:

For applications where the LMV7239M5 is unavailable, the following active alternatives are recommended based on compliance and product status:

TS3021ILT (STMicroelectronics) provides the closest electrical match with identical SOT-23-5 packaging, matching input offset voltage (6mV @ 5V), input bias current (0.16µA @ 5V), and quiescent current (90µA). Operating temperature range extends to -40°C ~ 125°C. This part is in Active status with 35302 units in stock.

MCP6561T-E/OT (Microchip Technology) offers enhanced performance with lower input bias current (1pA @ 5.5V) and faster propagation delay (80ns). It maintains SOT-23-5 packaging and extends operating temperature to -40°C ~ 125°C. This part is in Active status with 18000 units available.

TS3021HIYLT (STMicroelectronics) is qualified to AEC-Q100 automotive standards with extended operating temperature range (-40°C ~ 150°C). It maintains SOT-23-5 packaging with comparable electrical specifications. This part is in Active status with 3445 units in stock.

Package-Specific Alternatives:

TS3021ICT (STMicroelectronics) provides equivalent electrical performance in SC-70-5 package format. This alternative is suitable only for designs where SC-70-5 footprint compatibility exists. Operating temperature range extends to -40°C ~ 125°C.

Not Recommended for Direct Substitution:

BU7251G-TR exhibits significantly higher propagation delay (550ns versus 62ns), making it unsuitable for timing-critical applications. MAX40009ANT+ uses 6-WLP package format incompatible with SOT-23-5 footprints and exhibits substantially higher propagation delay (850ns). TS3011ILT and TS3011IYLT show elevated quiescent current (1.1mA versus 95µA), unsuitable for low-power applications.

Frequently Asked Questions (FAQ)

Q: Can I use TS3021ILT as a direct replacement for LMV7239M5?

A: Yes. TS3021ILT maintains identical SOT-23-5 packaging and comparable electrical specifications including input offset voltage (6mV @ 5V), input bias current (0.16µA @ 5V), and quiescent current (90µA). Operating temperature range extends from -40°C to 125°C. The part is in Active status with substantial inventory availability.

Q: What is the difference between LMV7239M5/NOPB and LMV7239M5X/NOPB?

A: Both parts are parametric equivalents with identical electrical specifications and SOT-23-5 packaging. The primary differences are packaging format (Tape & Reel) and REACH status classification. LMV7239M5X/NOPB offers higher inventory (65100 units) compared to LMV7239M5/NOPB (8717 units).

Q: Why is BU7251G-TR not recommended as a substitute?

A: BU7251G-TR exhibits propagation delay of 550ns compared to the LMV7239M5 specification of 62ns. This 8.8x increase in propagation delay makes it unsuitable for applications requiring fast comparison response. Additionally, it uses 5-SSOP package format rather than SOT-23-5.

Q: Can I use MAX40009ANT+ in place of LMV7239M5?

A: No. MAX40009ANT+ uses 6-WLP package format, which is physically incompatible with SOT-23-5 PCB footprints. Additionally, propagation delay is 850ns, significantly exceeding the LMV7239M5 specification of 62ns.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: supply voltage range encompassing 2.7V ~ 5.5V, push-pull output configuration, input offset voltage within design tolerance, input bias current specifications, quiescent current requirements, propagation delay performance, SOT-23-5 package format, and RoHS3 compliance.

Q: Is TS3021HIYLT suitable for automotive applications?

A: Yes. TS3021HIYLT is qualified to AEC-Q100 automotive standards and maintains SOT-23-5 packaging with comparable electrical specifications to the LMV7239M5. Extended operating temperature range (-40°C ~ 150°C) supports demanding automotive environments.

Q: What is the inventory status of recommended substitutes?

A: LMV7239M5X/NOPB offers the highest availability (65100 units), followed by TS3011ILT (55200 units), TS3021ILT (35302 units), MCP6561T-E/OT (18000 units), and TS3021HIYLT (3445 units). All recommended alternatives are in Active product status.

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