LMV393MMX Equivalent & Substitute Parts

Part Overview

The LMV393MMX is a dual general-purpose comparator manufactured by Texas Instruments, housed in an 8-VSSOP surface-mount package. This device operates across a 2.7V to 5.5V supply range and features CMOS, open-collector, and TTL output configurations suitable for analog signal comparison applications. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for existing applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	LMV393MMX
Manufacturer	Texas Instruments
Category	Linear
Description	IC COMPARATOR 2 GEN PUR 8VSSOP
Type	General Purpose
Number of Elements	2
Output Type	CMOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±)	2.7V ~ 5.5V
Voltage - Input Offset (Max)	7mV @ 5V
Current - Input Bias (Max)	0.25µA @ 5V
Current - Output (Typ)	84mA @ 5V
Current - Quiescent (Max)	300µA
Propagation Delay (Max)	600ns
Operating Temperature	-40°C ~ 85°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
Supplier Device Package	8-VSSOP
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Not For New Designs

Substitute Part Grouping Explanation

Substitution of the LMV393MMX is determined by strict alignment of the following electrical and mechanical parameters:

Critical Substitution Parameters:

Number of Elements: 2 (dual comparator configuration)
Output Type: Open-Collector capability (required for direct pin compatibility)
Voltage - Supply Range: Minimum 2.7V support; maximum 5.5V or higher
Voltage - Input Offset (Max): 7mV @ 5V or lower
Current - Input Bias (Max): 0.25µA @ 5V or lower
Current - Output (Typ): 84mA @ 5V or equivalent
Current - Quiescent (Max): 300µA or lower
Propagation Delay (Max): 600ns or lower
Operating Temperature: -40°C minimum; 85°C or higher maximum
Package / Case: 8-pin surface-mount configurations (8-VSSOP, 8-MSOP, 8-TSSOP, 8-SOIC)
Mounting Type: Surface Mount

Substitute parts are grouped into three categories based on their relationship to the main part:

Parametric Equivalents: Parts with identical or superior electrical specifications and compatible packaging, maintaining full functional interchangeability.

Upgrade Parts: Parts with enhanced specifications (extended temperature range, improved quiescent current) or alternative packaging that maintain electrical compatibility.

Manufacturer-Recommended Alternatives: Parts from alternative manufacturers that meet or exceed the electrical requirements while offering improved product status or compliance certifications.

Parameter Comparison

Part Number	Manufacturer	Output Type	Supply Voltage	Input Offset (Max)	Input Bias (Max)	Output Current (Typ)	Quiescent Current (Max)	Propagation Delay (Max)	Temp Range	Package	Product Status	RoHS Status
LMV393MMX	Texas Instruments	CMOS, Open-Collector, TTL	2.7V ~ 5.5V	7mV @ 5V	0.25µA @ 5V	84mA @ 5V	300µA	600ns	-40°C ~ 85°C	8-VSSOP	Not For New Designs	RoHS non-compliant
LMV393MM/NOPB	Texas Instruments	CMOS, Open-Collector, TTL	2.7V ~ 5.5V	7mV @ 5V	0.25µA @ 5V	84mA @ 5V	300µA	600ns	-40°C ~ 85°C	8-VSSOP	Active	ROHS3 Compliant
LMV393MMX/NOPB	Texas Instruments	CMOS, Open-Collector, TTL	2.7V ~ 5.5V	7mV @ 5V	0.25µA @ 5V	84mA @ 5V	300µA	600ns	-40°C ~ 85°C	8-VSSOP	Active	ROHS3 Compliant
LMV393M8-13	Diodes Incorporated	Open-Collector	2.7V ~ 5.5V	7mV @ 5V	0.25µA @ 5V	84mA	200µA	600ns	-40°C ~ 125°C	8-MSOP	Active	ROHS3 Compliant
AS393GTR-E1	Diodes Incorporated	Open-Collector	2V ~ 36V, ±1V ~ 18V	5mV @ 5V	0.25µA @ 5V	16mA @ 5V	1mA	—	-40°C ~ 85°C	8-TSSOP	Active	ROHS3 Compliant
AS393MTR-E1	Diodes Incorporated	Open-Collector	2V ~ 36V, ±1V ~ 18V	5mV @ 5V	0.25µA @ 5V	16mA @ 5V	1mA	—	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
AZV393MTR-G1	Diodes Incorporated	Open-Collector	2.5V ~ 5.5V	7mV @ 5V	0.25µA @ 5V	84mA	200µA	—	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
BA10393F-E2	Rohm Semiconductor	Open-Collector	2V ~ 36V, ±1V ~ 18V	5mV @ 5V	0.25µA @ 5V	16mA @ 5V	1mA	—	-40°C ~ 85°C	8-SOIC	Active	ROHS3 Compliant
BA2903F-E2	Rohm Semiconductor	Open-Collector	2V ~ 36V, ±1V ~ 18V	7mV @ 5V	0.25µA @ 5V	16mA @ 5V	1mA	—	-40°C ~ 125°C	8-SOIC	Active	ROHS3 Compliant
BA2903WF-E2	ROHM Semiconductor	Open-Collector	2V ~ 36V, ±1V ~ 18V	5mV @ 5V	0.25µA @ 5V	16mA @ 5V	1mA	400ns (Typ)	-40°C ~ 125°C	8-SOIC	Not For New Designs	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications and Compliance):

LMV393MM/NOPB and LMV393MMX/NOPB are the primary direct replacements for LMV393MMX. Both are manufactured by Texas Instruments with identical electrical specifications, the same 8-VSSOP package, and active product status. These parts are ROHS3 compliant, addressing the RoHS non-compliance limitation of the original part. Inventory availability is substantial for both alternatives.

For Enhanced Temperature Range Applications:

LMV393M8-13 (Diodes Incorporated) extends the operating temperature range to -40°C ~ 125°C while maintaining identical electrical specifications and the same supply voltage range. This part features improved quiescent current performance (200µA vs. 300µA) and is housed in an 8-MSOP package. Product status is active with ROHS3 compliance.

For Extended Supply Voltage Range:

AS393GTR-E1, AS393MTR-E1, BA10393F-E2, and BA2903F-E2 support wider supply voltage ranges (2V ~ 36V or ±1V ~ 18V) compared to the LMV393MMX (2.7V ~ 5.5V). These parts are suitable for applications requiring broader voltage flexibility. All are active products with ROHS3 compliance. Note that output current specifications differ (16mA vs. 84mA), and quiescent current is significantly lower (1mA vs. 300µA).

For Temperature-Extended Applications with Wider Voltage Range:

BA2903F-E2 combines extended operating temperature (-40°C ~ 125°C) with extended supply voltage range (2V ~ 36V, ±1V ~ 18V). This part is active and ROHS3 compliant, making it suitable for demanding environmental conditions.

Avoid for New Designs:

BA2903WF-E2 carries "Not For New Designs" status despite ROHS3 compliance and extended temperature range. This designation indicates manufacturer discontinuation plans and should not be selected for new applications.

Frequently Asked Questions (FAQ)

Q: Can LMV393MM/NOPB be used as a direct drop-in replacement for LMV393MMX?

A: Yes. LMV393MM/NOPB is electrically and mechanically identical to LMV393MMX, with the same 8-VSSOP package, identical electrical specifications, and the same operating temperature range. The primary difference is product status (active vs. not for new designs) and RoHS compliance (ROHS3 vs. non-compliant). Pin-for-pin compatibility is guaranteed.

Q: What is the difference between LMV393MMX/NOPB and LMV393MM/NOPB?

A: Both parts are identical in electrical specifications and package. The "/NOPB" suffix indicates tape and reel packaging, while the base part number may reference different packaging formats. Both are active products with ROHS3 compliance and are suitable direct replacements.

Q: Can I use AS393MTR-E1 in place of LMV393MMX?

A: AS393MTR-E1 is functionally compatible but not a direct drop-in replacement. While both are dual comparators with open-collector outputs and identical input bias current specifications, AS393MTR-E1 uses an 8-SOIC package instead of 8-VSSOP, requiring PCB layout modification. Additionally, AS393MTR-E1 supports a wider supply voltage range (2V ~ 36V) and has lower output current (16mA vs. 84mA) and quiescent current (1mA vs. 300µA). These differences may affect circuit performance in applications dependent on higher output drive capability.

Q: Why do some substitute parts have lower output current specifications?

A: Parts such as AS393MTR-E1 and BA2903F-E2 are designed for different application classes. The lower output current (16mA vs. 84mA) reflects different output stage design and may limit direct load-driving capability. Circuit redesign may be necessary if the original application relies on the 84mA output current specification.

Q: Is LMV393M8-13 suitable for high-temperature applications?

A: LMV393M8-13 extends the maximum operating temperature to 125°C compared to 85°C for LMV393MMX. This makes it suitable for applications requiring higher temperature operation. However, the package changes from 8-VSSOP to 8-MSOP, requiring PCB layout modification. Electrical specifications remain compatible.

Q: What is the significance of the "Not For New Designs" status?

A: This designation indicates the manufacturer has discontinued or plans to discontinue the part. While existing inventory may be available, the part will not receive design support or long-term availability guarantees. For new applications, selecting an active product status part (such as LMV393MM/NOPB or LMV393MMX/NOPB) is recommended to ensure sustained supply chain support.

Q: Can I use BA2903WF-E2 for new designs?

A: No. BA2903WF-E2 carries "Not For New Designs" status, indicating manufacturer discontinuation. While the part is ROHS3 compliant and offers extended temperature range, it should not be selected for new applications. Active alternatives such as BA2903F-E2 are available.

Q: How do I determine which substitute part is best for my application?

A: Selection depends on three factors: (1) Package compatibility with existing PCB layout; (2) Electrical specification requirements, particularly output current and supply voltage range; (3) Product status and compliance certifications for supply chain continuity. For direct replacement without PCB modification, LMV393MM/NOPB or LMV393MMX/NOPB are optimal. For extended temperature range, LMV393M8-13 is suitable. For wider voltage range applications, AS393MTR-E1 or BA2903F-E2 are appropriate.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message