LMV931IDBVR Equivalent & Substitute Parts

Part Overview

The LMV931IDBVR is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-5 surface mount package. This device features rail-to-rail output capability and operates across a 1.8 V to 5 V supply voltage range, making it suitable for low-power analog signal processing applications. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility while offering continued availability and support.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	0.42	V/µs
Gain Bandwidth Product	1.5	MHz
Current - Input Bias	15	nA
Voltage - Input Offset	1	mV
Current - Supply	116	µA
Current - Output / Channel	100	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5	V
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
Package / Case	SC-74A, SOT-753	—
Supplier Device Package	SOT-23-5	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the LMV931IDBVR is determined by the following critical parameters: amplifier type (general purpose), number of circuits (1), output type (rail-to-rail), supply voltage range compatibility, operating temperature range, and surface mount package format. Substitute parts are grouped into two categories based on package compatibility:

Category 1: SOT-23-5 Package (Direct Pin-Compatible Substitutes) Parts maintaining the SOT-23-5 package format provide direct mechanical and electrical compatibility without PCB layout modifications. These include LMV931MF/NOPB, LMV931MFX/NOPB (Texas Instruments), AZV831KTR-G1 (Diodes Incorporated), and MCP6L01T-E/OT and MCP6L01UT-E/OT (Microchip Technology).

Category 2: SC-70-5 Package (Alternative Package Format) Parts using the SC-70-5 package (LMV931MG/NOPB and LMV931MGX/NOPB) provide functional equivalence but require PCB layout modification due to different pin spacing and footprint geometry.

Substitution eligibility is based on: (1) matching amplifier type and circuit count, (2) rail-to-rail output capability, (3) supply voltage range that encompasses or exceeds the original specification, (4) operating temperature range compatibility, and (5) surface mount mounting type. All substitute parts maintain ROHS3 compliance and MSL Level 1 rating.

Parameter Comparison

Parameter	LMV931IDBVR	LMV931MF/NOPB	LMV931MFX/NOPB	LMV931MG/NOPB	LMV931MGX/NOPB	AZV831KTR-G1	MCP6L01T-E/OT	MCP6L01UT-E/OT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Diodes Incorporated	Microchip Technology	Microchip Technology
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.42	0.42	0.42	0.42	0.42	0.45	0.6	0.6
Gain Bandwidth Product (MHz)	1.5	1.5	1.5	1.5	1.5	1	1	1
Current - Input Bias (nA)	15	14	14	14	14	0.001	0.002	0.002
Voltage - Input Offset (mV)	1	1	1	1	1	0.5	1	1
Current - Supply (µA)	116	116	116	116	116	70	85	85
Current - Output / Channel (mA)	100	100	100	100	100	185	—	—
Voltage - Supply Span Min (V)	1.8	1.8	1.8	1.8	1.8	1.6	1.8	1.8
Voltage - Supply Span Max (V)	5	5.5	5.5	5.5	5.5	5.5	6	6
Operating Temperature (°C)	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 85	-40 to 125	-40 to 125
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	SC-70-5	SC-70-5	SOT-23-5	SOT-23-5	SOT-23-5
RoHS Status	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)

Engineering Selection Recommendations

Primary Substitutes (Texas Instruments LMV931 Series)

The LMV931MF/NOPB, LMV931MFX/NOPB, LMV931MG/NOPB, and LMV931MGX/NOPB represent the manufacturer-recommended direct replacements for the obsolete LMV931IDBVR. All four variants maintain identical electrical specifications and are classified as active products with full manufacturing support. The LMV931MF/NOPB and LMV931MFX/NOPB retain the original SOT-23-5 package format, enabling direct substitution without PCB modification. The LMV931MG/NOPB and LMV931MGX/NOPB offer the same electrical performance in the SC-70-5 package, suitable for applications where package footprint optimization is required. All variants comply with ROHS3 standards and carry MSL Level 1 rating.

Secondary Substitutes (Alternative Manufacturers)

The AZV831KTR-G1 (Diodes Incorporated) and MCP6L01T-E/OT and MCP6L01UT-E/OT (Microchip Technology) provide functional equivalence with modified electrical characteristics. These alternatives maintain rail-to-rail output, general-purpose amplifier classification, and SOT-23-5 package compatibility. The AZV831KTR-G1 operates within a reduced temperature range (-40°C to 85°C) compared to the original specification. The MCP6L01 series offers extended supply voltage range (up to 6 V) and improved slew rate performance (0.6 V/µs). All secondary substitutes are active products with ROHS3 compliance and MSL Level 1 rating.

Selection Criteria

Choose LMV931MF/NOPB or LMV931MFX/NOPB for direct replacement without design modification. Select LMV931MG/NOPB or LMV931MGX/NOPB when SC-70-5 package footprint is preferred. Consider AZV831KTR-G1 only if operating temperature does not exceed 85°C. Evaluate MCP6L01T-E/OT or MCP6L01UT-E/OT when higher slew rate or extended supply voltage range provides system-level benefits.

Frequently Asked Questions (FAQ)

Q: Can LMV931MF/NOPB directly replace LMV931IDBVR without PCB modification?

A: Yes. Both parts use the SOT-23-5 package with identical pin configuration and electrical specifications. No PCB layout changes are required.

Q: What is the difference between LMV931MFX/NOPB and LMV931MF/NOPB?

A: Both parts are electrically identical. The difference lies in packaging format: LMV931MFX/NOPB is supplied in Cut Tape and Digi-Reel format, while LMV931MF/NOPB follows the same packaging specification. Electrical performance and pin compatibility are identical.

Q: Why do LMV931MG/NOPB and LMV931MGX/NOPB use a different package?

A: These variants employ the SC-70-5 package instead of SOT-23-5. While electrically equivalent, the SC-70-5 package has different pin spacing and footprint dimensions, requiring PCB redesign for implementation.

Q: Is AZV831KTR-G1 suitable for all applications using LMV931IDBVR?

A: AZV831KTR-G1 is suitable only for applications operating within -40°C to 85°C temperature range. The original LMV931IDBVR and most recommended substitutes support -40°C to 125°C. Verify application temperature requirements before selection.

Q: What are the advantages of MCP6L01T-E/OT over LMV931MF/NOPB?

A: MCP6L01T-E/OT offers higher slew rate (0.6 V/µs versus 0.42 V/µs) and extended maximum supply voltage (6 V versus 5.5 V). Input bias current is lower (2 pA versus 14 nA). These characteristics may benefit high-speed or wide supply voltage applications. Gain bandwidth product is lower (1 MHz versus 1.5 MHz).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 rating, matching the environmental and regulatory status of the original LMV931IDBVR.

Q: Can I use MCP6L01UT-E/OT and MCP6L01T-E/OT interchangeably?

A: Yes. Both parts are electrically identical and use the same SOT-23-5 package. The difference is in packaging format and supplier designation. Electrical performance and pin compatibility are identical.

Q: What inventory status should I consider when selecting a substitute?

A: All listed substitute parts are classified as active products with current manufacturing support and available inventory. The LMV931IDBVR is obsolete with limited remaining stock (23,921 pcs). For new designs or long-term production, select from active substitute parts to ensure supply chain continuity.

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