LMP7718MA/NOPB Equivalent & Substitute Parts

Part Overview

The LMP7718MA/NOPB is a general purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface mount package. This device operates across a 2V to 5.5V supply range with rail-to-rail output capability, making it suitable for low-voltage analog signal processing applications. The part is currently in active production status with 974 units in stock. Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter tolerances while maintaining package compatibility and compliance certifications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Slew Rate	11.5	V/µs
Gain Bandwidth Product	88	MHz
Current - Input Bias	0.1	pA
Voltage - Input Offset	10	µV
Current - Supply	1.3 (x2 Channels)	mA
Current - Output / Channel	60	mA
Voltage - Supply Span (Min)	2	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the LMP7718MA/NOPB is determined by the following critical parameters:

Package Compatibility: All substitute parts must use 8-SOIC or equivalent 8-pin surface mount packaging with 0.154" (3.90mm) width to ensure PCB footprint compatibility.

Electrical Performance Envelope: Substitute parts must operate within the supply voltage range of 2V to 5.5V and maintain rail-to-rail output capability. The slew rate (11.5V/µs) and gain bandwidth product (88MHz) establish the performance tier; substitutes with lower specifications are acceptable for applications not requiring maximum speed.

Circuit Configuration: All candidates must feature dual-circuit (2-channel) amplifier architecture in a single package.

Compliance Requirements: All substitute parts must maintain ROHS3 compliance and active product status to ensure long-term availability and regulatory alignment.

Substitute parts are grouped into two categories based on performance characteristics:

Category A - High-Performance Substitutes (OPA2337UA, OPA2337UA/2K5, OPA2338UA, OPA2338UA/2K5): Texas Instruments MicroAmplifier™ series devices with CMOS architecture. These parts operate within the supply range and provide rail-to-rail output. Performance specifications differ from the main part but remain within acceptable substitution parameters for general purpose applications.

Category B - Alternative Manufacturer Substitutes (BU7266F-E2, BU7266SF-E2, BU7486F-E2, LMR932F-GE2, LMV358DR2G, LMV358SG-13): Rohm Semiconductor, onsemi, and Diodes Incorporated alternatives offering equivalent dual-circuit configurations in 8-pin surface mount packages with rail-to-rail output and ROHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Inventory
LMP7718MA/NOPB	Texas Instruments	General Purpose	11.5	88	2	5.5	-40 to 125	8-SOIC	974
OPA2337UA	Texas Instruments	CMOS	1.2	3	2.7	5.5	-40 to 85	8-SOIC	2127
OPA2337UA/2K5	Texas Instruments	CMOS	1.2	3	2.7	5.5	-40 to 85	8-SOIC	2700
OPA2338UA	Texas Instruments	CMOS	4.6	12.5	2.7	5.5	-40 to 85	8-SOIC	2300
OPA2338UA/2K5	Texas Instruments	CMOS	4.6	12.5	2.7	5.5	-40 to 85	8-SOIC	6672
BU7266F-E2	Rohm Semiconductor	CMOS	0.0024	0.004	1.8	5.5	-40 to 85	8-SOP	1012
BU7266SF-E2	Rohm Semiconductor	CMOS	0.0024	0.004	1.8	5.5	-40 to 105	8-SOP	3153
BU7486F-E2	Rohm Semiconductor	CMOS	10	10	3	5.5	-40 to 105	8-SOP	4302
LMR932F-GE2	Rohm Semiconductor	General Purpose	0.35	1.4	1.8	5	-40 to 85	8-SOP	3669
LMV358DR2G	onsemi	Voltage Feedback	1	1	2.7	5.5	-40 to 85	8-SOIC	4400
LMV358SG-13	Diodes Incorporated	General Purpose	1	1	2.7	5.5	-40 to 125	8-SOIC	7994

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

OPA2337UA/2K5 and OPA2338UA/2K5 are Texas Instruments products with identical package geometry (8-SOIC, 0.154" width) and supply voltage range (2.7V to 5.5V). Both maintain ROHS3 compliance and active product status. OPA2338UA/2K5 offers superior performance with 4.6V/µs slew rate and 12.5MHz gain bandwidth product compared to OPA2337UA/2K5 (1.2V/µs, 3MHz). Selection between these depends on application bandwidth requirements.

LMV358SG-13 (Diodes Incorporated) provides identical package footprint and extends operating temperature to 125°C, matching the main part's thermal range. This device is suitable for applications requiring extended temperature operation.

Secondary Substitutes (Package Consideration):

BU7486F-E2 (Rohm Semiconductor) offers comparable slew rate (10V/µs) and operates to 105°C. The package is 8-SOP with 0.173" (4.40mm) width, requiring PCB layout verification for footprint compatibility.

LMV358DR2G (onsemi) maintains 8-SOIC package compatibility and operates across the full 2.7V to 5.5V range with -40°C to 85°C temperature rating.

Compliance Verification:

All listed substitutes maintain ROHS3 compliance and active product status. Moisture sensitivity levels range from MSL 1 (unlimited) to MSL 3 (168 hours), requiring storage condition assessment based on manufacturing and assembly timelines.

Frequently Asked Questions (FAQ)

Q: Can OPA2337UA replace LMP7718MA/NOPB in all applications?

A: OPA2337UA shares the 8-SOIC package and supply voltage range but operates with reduced slew rate (1.2V/µs vs. 11.5V/µs) and lower gain bandwidth product (3MHz vs. 88MHz). Substitution is valid only for applications where these lower performance specifications are acceptable. The operating temperature range is also reduced to -40°C to 85°C.

Q: What is the difference between OPA2337UA and OPA2337UA/2K5?

A: Both parts are electrically identical. The primary difference is packaging: OPA2337UA is supplied in Tube packaging, while OPA2337UA/2K5 is supplied in Tape & Reel (TR) format. Selection depends on assembly process requirements and inventory management preferences.

Q: Are Rohm Semiconductor BU7266 and BU7486 series compatible with the LMP7718MA/NOPB footprint?

A: BU7266F-E2, BU7266SF-E2, and BU7486F-E2 use 8-SOP packaging with 0.173" (4.40mm) width, compared to the main part's 8-SOIC with 0.154" (3.90mm) width. While both are 8-pin surface mount packages, the physical dimensions differ. PCB layout verification is required before substitution.

Q: Which substitute offers the best thermal performance?

A: LMV358SG-13 (Diodes Incorporated) and BU7266SF-E2 (Rohm Semiconductor) both extend to 105°C or higher. LMV358SG-13 reaches 125°C, matching the main part's upper temperature limit, while maintaining 8-SOIC package compatibility.

Q: What does MSL (Moisture Sensitivity Level) mean for component selection?

A: MSL indicates the maximum time a component can be stored in ambient conditions (typically 30°C, 85% relative humidity) before requiring baking. MSL 1 (unlimited) requires no special storage. MSL 2 (1 year) and MSL 3 (168 hours) require controlled storage and baking procedures before assembly. The main part (MSL 1) and most substitutes have favorable moisture ratings.

Q: Can I use LMV358DR2G as a direct replacement?

A: LMV358DR2G maintains 8-SOIC package compatibility and operates within the 2.7V to 5.5V supply range. However, it is classified as a Voltage Feedback amplifier with significantly lower performance (1V/µs slew rate, 1MHz gain bandwidth product). Substitution is valid only for low-frequency applications where these specifications are sufficient.

Q: Why do some substitutes have lower supply voltage minimums (1.8V vs. 2V)?

A: Devices like BU7266F-E2 and LMR932F-GE2 support operation down to 1.8V, providing broader supply range compatibility. However, if the application requires minimum 2V operation, these parts remain compatible. The lower minimum does not restrict use in 2V to 5.5V applications.

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