LPV358IDGKR Equivalent & Substitute Parts

Part Overview

The LPV358IDGKR is a general purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-VSSOP surface mount package. This device provides rail-to-rail output capability with low power consumption, designed for applications requiring compact form factors and extended temperature operation from -40°C to 125°C. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	LPV358IDGKR	—
Manufacturer	Texas Instruments	—
Category	Linear, Amplifiers	—
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
Supplier Device Package	8-VSSOP	—
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5	V
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—
Part Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the LPV358IDGKR is determined by strict alignment of the following critical parameters:

Mechanical Compatibility:

Package type: 8-VSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting type: Surface Mount
Pin count and footprint equivalence

Electrical Compatibility:

Dual circuit configuration (2 circuits minimum)
Rail-to-rail output capability
Supply voltage range: minimum 2.7V, maximum 5V or higher
Operating temperature range: minimum -40°C, maximum 125°C or higher

Regulatory & Compliance:

RoHS3 compliance
REACH unaffected status
Moisture sensitivity level acceptable for application

Substitute parts are grouped into two categories: direct replacements maintaining identical electrical performance characteristics, and functional alternatives offering enhanced performance specifications while maintaining package and supply voltage compatibility.

Parameter Comparison

Parameter	LPV358IDGKR	LPV358MM/NOPB	LPV358MMX/NOPB	LMV358MM/NOPB	LMV358MMX/NOPB	MAX4077EUA+T
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc./Maxim Integrated
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	0.1	1	1	0.09
Gain Bandwidth Product (kHz)	237	152	152	1000	1000	230
Current - Input Bias (nA)	2	2	2	15	15	1 (pA)
Voltage - Input Offset (mV)	1.5	1.5	1.5	1.7	1.7	1.2
Current - Supply (µA, x2 Channels)	15	15	15	210	210	45
Current - Output / Channel (mA)	72	16	16	160	160	20
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.5 V
Voltage - Supply Span (Max)	5 V	5 V	5 V	5.5 V	5.5 V	5.5 V
Operating Temperature (°C)	-40 to 125	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 70
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP
Mounting Type	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
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Replacement (Identical Performance):

LPV358MM/NOPB and LPV358MMX/NOPB maintain the same electrical performance as the LPV358IDGKR with identical slew rate (0.1V/µs), gain bandwidth product (152 kHz for MM/NOPB variants), input bias current (2 nA), and supply voltage range (2.7V to 5V). Both parts are active products with ROHS3 compliance and MSL 1 rating. The primary difference is operating temperature range: LPV358MM/NOPB and LPV358MMX/NOPB operate to 85°C maximum, compared to 125°C for the obsolete LPV358IDGKR. Selection of these parts is appropriate for applications where the reduced upper temperature limit is acceptable.

Enhanced Performance Alternatives:

LMV358MM/NOPB and LMV358MMX/NOPB provide improved performance with 10x higher gain bandwidth product (1 MHz vs. 237 kHz), 10x faster slew rate (1V/µs vs. 0.1V/µs), and higher output current capability (160 mA vs. 72 mA). These parts maintain the same package, mounting type, and minimum supply voltage (2.7V), with extended maximum supply voltage to 5.5V. Operating temperature extends to 125°C, matching the original part. MSL rating is 2 (1 Year), requiring controlled storage conditions. These parts are suitable for applications requiring higher bandwidth and faster transient response.

Alternative Manufacturer Option:

MAX4077EUA+T from Analog Devices Inc./Maxim Integrated provides comparable performance with slew rate of 0.09V/µs and gain bandwidth product of 230 kHz, closely matching the LPV358IDGKR specifications. This part offers superior input bias current (1 pA vs. 2 nA) and extended supply voltage range to 5.5V. Operating temperature is limited to -40°C to 70°C. This part is suitable for applications where lower input bias current is beneficial and the reduced temperature range is acceptable.

CMOS Alternatives (Rohm Semiconductor):

BU7266FVM-TR and BU7266SFVM-TR offer ultra-low power consumption (700 nA) with extended supply voltage range (1.8V to 5.5V). These CMOS amplifiers provide minimal input bias current (1 pA) but operate at significantly lower bandwidth (4 kHz) and slew rate (0.0024V/µs). Selection is appropriate only for low-frequency, ultra-low-power applications. BU7486FVM-TR provides higher performance (10 MHz bandwidth, 10V/µs slew rate) suitable for higher-frequency applications, though with increased power consumption (6 mA).

Selection Criteria Summary:

For direct replacement with identical performance and extended temperature range: LPV358MM/NOPB or LPV358MMX/NOPB
For enhanced bandwidth and slew rate with 125°C operation: LMV358MM/NOPB or LMV358MMX/NOPB
For alternative manufacturer with comparable performance: MAX4077EUA+T (note reduced temperature range)
For ultra-low-power applications: BU7266FVM-TR or BU7266SFVM-TR
For higher-frequency applications: BU7486FVM-TR

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can LPV358MM/NOPB directly replace LPV358IDGKR in all applications?

A: LPV358MM/NOPB is mechanically and electrically compatible with identical performance specifications. The primary limitation is operating temperature range: LPV358MM/NOPB operates to 85°C maximum, while LPV358IDGKR operates to 125°C. Direct replacement is suitable for applications where the maximum operating temperature does not exceed 85°C.

Q: What is the difference between LPV358MM/NOPB and LMV358MM/NOPB?

A: Both parts share identical package, mounting type, and supply voltage range (2.7V to 5V). LMV358MM/NOPB provides 10x higher gain bandwidth product (1 MHz vs. 152 kHz), 10x faster slew rate (1V/µs vs. 0.1V/µs), and higher output current (160 mA vs. 16 mA). LMV358MM/NOPB is suitable for applications requiring higher bandwidth and faster transient response. Both parts operate to 125°C.

Q: Are the 8-VSSOP and 8-MSOP packages interchangeable?

A: The LPV358IDGKR is supplied in 8-VSSOP package. Substitute parts listed are available in 8-TSSOP and 8-MSOP packages with identical 0.118" (3.00mm) width. These packages are mechanically compatible with identical pin assignments and PCB footprints. Verification of specific package availability from supplier is required.

Q: What is the significance of MSL rating differences?

A: LPV358IDGKR, LPV358MM/NOPB, and LPV358MMX/NOPB have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. LMV358MM/NOPB and LMV358MMX/NOPB have MSL 2 (1 Year), requiring storage in controlled humidity conditions and baking before reflow soldering if storage exceeds one year. Selection depends on manufacturing process and storage capabilities.

Q: Can MAX4077EUA+T replace LPV358IDGKR?

A: MAX4077EUA+T provides comparable electrical performance with similar slew rate (0.09V/µs) and gain bandwidth product (230 kHz). Package and mounting type are identical. The primary limitation is operating temperature range: MAX4077EUA+T operates to 70°C maximum, compared to 125°C for LPV358IDGKR. Replacement is suitable only for applications where maximum operating temperature does not exceed 70°C.

Q: When should CMOS alternatives (BU7266 or BU7486) be considered?

A: CMOS alternatives from Rohm Semiconductor are selected for applications requiring ultra-low power consumption or extended supply voltage range below 2.7V. BU7266FVM-TR operates at 700 nA supply current with 4 kHz bandwidth, suitable for low-frequency, battery-powered applications. BU7486FVM-TR provides higher performance (10 MHz, 10V/µs) with increased power consumption (6 mA). These parts are not direct replacements for general-purpose applications requiring the performance of LPV358IDGKR.

Q: What compliance certifications are maintained across all substitute parts?

A: All recommended substitute parts maintain ROHS3 compliance and REACH unaffected status, identical to the original LPV358IDGKR. ECCN classification (EAR99) and HTSUS code (8542.33.0001) are consistent across all parts.

Q: Is inventory availability a consideration in part selection?

A: Inventory levels vary significantly among substitute parts. LPV358MM/NOPB has 50,000 units in stock, LPV358MMX/NOPB has 23,100 units, and LMV358MM/NOPB has 45,400 units. Availability should be confirmed with supplier for production requirements. The obsolete LPV358IDGKR has 1,485 units remaining in stock.

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