LPV358MM Equivalent & Substitute Parts

Part Overview

The LPV358MM is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-VSSOP surface-mount package. This device delivers rail-to-rail output capability with a supply voltage range of 2.7 V to 5 V and operates across the industrial temperature range of -40°C to 85°C. The LPV358MM is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting current RoHS and REACH compliance standards.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	0.1	V/µs
Gain Bandwidth Product	152	kHz
Current - Input Bias	2	nA
Voltage - Input Offset	1.5	mV
Current - Supply	15	µA (x2 Channels)
Current - Output / Channel	16	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5	V
Operating Temperature	-40 to 85	°C
Mounting Type	Surface Mount	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
Product Status	Obsolete	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the LPV358MM is determined by the following critical parameters: dual-circuit configuration, rail-to-rail output capability, 8-pin surface-mount packaging (8-VSSOP or 8-MSOP), and supply voltage compatibility within the 2.7 V to 5 V range. The substitute parts are grouped into two categories based on functional characteristics:

Category 1: Direct Functional Equivalent The LPV358MM/NOPB maintains identical electrical specifications and amplifier type (general-purpose) with the primary distinction being active product status and RoHS3 compliance. This part is the direct replacement for the obsolete LPV358MM.

Category 2: Functional Substitutes with Performance Trade-offs The Rohm Semiconductor parts (BU7266FVM-TR, BU7266SFVM-TR, BU7486FVM-TR) and Microchip Technology MCP617T-I/MS offer alternative implementations with different amplifier types (CMOS) and varying electrical performance characteristics. These substitutes maintain dual-circuit configuration, rail-to-rail output, and compatible packaging but differ in slew rate, gain bandwidth product, supply current, and output current specifications. Selection among these alternatives depends on application-specific performance requirements and temperature operating range constraints.

Parameter Comparison

Parameter	LPV358MM	LPV358MM/NOPB	MCP617T-I/MS	BU7266FVM-TR	BU7266SFVM-TR	BU7486FVM-TR
Manufacturer	Texas Instruments	Texas Instruments	Microchip Technology	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor
Amplifier Type	General Purpose	General Purpose	CMOS	CMOS	CMOS	CMOS
Number of Circuits	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.1	0.1	0.08	0.0024	0.0024	10
Gain Bandwidth Product (kHz)	152	152	190	4	4	10000
Current - Input Bias (nA)	2	2	5	0.001	0.001	0.001
Voltage - Input Offset (mV)	1.5	1.5	0.15	1	1	1
Current - Supply (µA)	15	15	19	0.7	0.7	6000
Current - Output / Channel (mA)	16	16	17	4	4	12
Voltage - Supply Span (Min) (V)	2.7	2.7	2.3	1.8	1.8	3
Voltage - Supply Span (Max) (V)	5	5	5.5	5.5	5.5	5.5
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 105	-40 to 105
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-VSSOP, 8-MSOP	8-VSSOP, 8-MSOP	8-VSSOP, 8-MSOP
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: LPV358MM/NOPB

The LPV358MM/NOPB is the direct replacement for the obsolete LPV358MM. This part maintains identical electrical specifications, amplifier type, and package configuration while providing active product status and ROHS3 compliance. The LPV358MM/NOPB is available in Tape & Reel packaging with 50,000 units in stock, ensuring supply continuity for production environments. This selection eliminates design modifications and circuit re-qualification requirements.

Secondary Recommendations: MCP617T-I/MS

The MCP617T-I/MS from Microchip Technology provides a CMOS-based alternative with comparable gain bandwidth product (190 kHz versus 152 kHz) and slew rate (0.08 V/µs versus 0.1 V/µs). This part maintains the same operating temperature range (-40°C to 85°C) and offers improved input offset voltage (150 µV versus 1.5 mV). The MCP617T-I/MS is suitable for applications where lower input offset voltage is beneficial and where the slightly lower slew rate is acceptable. ROHS3 compliance and active product status are confirmed.

Tertiary Recommendations: Rohm Semiconductor Parts (BU7266FVM-TR, BU7266SFVM-TR, BU7486FVM-TR)

The Rohm Semiconductor CMOS amplifiers offer ultra-low supply current characteristics (0.7 mA for BU7266 variants, 6 mA for BU7486FVM-TR) suitable for battery-powered or low-power applications. The BU7266SFVM-TR and BU7486FVM-TR extend the operating temperature range to 105°C, accommodating high-temperature industrial environments. The BU7486FVM-TR provides significantly higher slew rate (10 V/µs) and gain bandwidth product (10 MHz), enabling applications requiring faster signal processing. All Rohm parts maintain ROHS3 compliance and active product status. Selection among these variants depends on specific power consumption and performance requirements.

Frequently Asked Questions (FAQ)

Q: Can the LPV358MM/NOPB be used as a direct drop-in replacement for the LPV358MM?

A: Yes. The LPV358MM/NOPB maintains identical electrical specifications, amplifier type (general-purpose), dual-circuit configuration, and 8-pin surface-mount packaging. The primary differences are active product status and ROHS3 compliance. No circuit modifications are required.

Q: What are the key differences between the LPV358MM and the Rohm Semiconductor BU7266 variants?

A: The BU7266FVM-TR and BU7266SFVM-TR are CMOS amplifiers with significantly lower supply current (0.7 µA versus 15 µA) and lower output current per channel (4 mA versus 16 mA). The slew rate and gain bandwidth product are substantially reduced (0.0024 V/µs and 4 kHz respectively). These parts are suitable for ultra-low-power applications but not for circuits requiring higher output drive capability or faster signal response.

Q: Which substitute part offers the highest performance in terms of speed?

A: The BU7486FVM-TR provides the highest slew rate (10 V/µs) and gain bandwidth product (10 MHz) among all substitute options. This part is suitable for high-speed signal processing applications but operates at higher supply current (6 mA) compared to the original LPV358MM (15 µA total).

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (LPV358MM/NOPB, MCP617T-I/MS, BU7266FVM-TR, BU7266SFVM-TR, and BU7486FVM-TR) are ROHS3 compliant. The original LPV358MM is RoHS non-compliant.

Q: What is the temperature operating range difference between substitute parts?

A: The LPV358MM, LPV358MM/NOPB, MCP617T-I/MS, and BU7266FVM-TR operate from -40°C to 85°C. The BU7266SFVM-TR and BU7486FVM-TR extend the upper temperature limit to 105°C, suitable for high-temperature industrial applications.

Q: Can the MCP617T-I/MS be used in applications requiring the original LPV358MM specifications?

A: The MCP617T-I/MS is compatible with most LPV358MM applications. The slew rate (0.08 V/µs) and gain bandwidth product (190 kHz) are comparable. However, the input bias current is higher (5 nA versus 2 nA), and the supply current is slightly elevated (19 µA versus 15 µA). Verify application-specific requirements before substitution.

Q: What packaging options are available for substitute parts?

A: The LPV358MM/NOPB is supplied in Tape & Reel (TR) packaging. The MCP617T-I/MS is supplied in Tape & Reel (TR) packaging. The Rohm Semiconductor parts (BU7266FVM-TR, BU7266SFVM-TR, BU7486FVM-TR) are supplied in Cut Tape (CT) & Digi-Reel® packaging. All parts maintain 8-pin surface-mount configuration (8-VSSOP or 8-MSOP).

Q: Is the supply voltage range compatible across all substitute parts?

A: The LPV358MM operates from 2.7 V to 5 V. The LPV358MM/NOPB and MCP617T-I/MS maintain this range. The BU7266 variants operate from 1.8 V to 5.5 V, providing wider low-voltage capability. The BU7486FVM-TR operates from 3 V to 5.5 V, requiring a minimum supply voltage of 3 V.

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