LMV774MTX Equivalent & Substitute Parts

Part Overview

The LMV774MTX is a general-purpose operational amplifier manufactured by Texas Instruments, featuring four independent circuits in a 14-TSSOP surface-mount package. This device is designed for rail-to-rail output applications with a supply voltage range of 2.7V to 5.5V and operating temperature range of -40°C to 125°C.

The LMV774MTX is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements. Active alternatives with comparable or enhanced electrical characteristics are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Differential, Rail-to-Rail	—
Slew Rate	1.4	V/µs
Gain Bandwidth Product	3.5	MHz
Current - Input Bias	0.23	pA
Voltage - Input Offset	250	µV
Current - Supply (x4 Channels)	600	µA
Current - Output / Channel	75	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the LMV774MTX are evaluated based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

Number of Circuits: 4 independent amplifier channels
Package / Case: 14-TSSOP form factor (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Output Type: Rail-to-Rail capability
Voltage - Supply Span: Minimum 2.7V to Maximum 5.5V
Operating Temperature Range: -40°C to 125°C (or compatible subset)

Secondary Performance Criteria:

Slew Rate: 1.4V/µs or greater
Gain Bandwidth Product: 3.5 MHz or greater
Current - Output / Channel: 75 mA or greater
Current - Input Bias: Low leakage (pA range preferred)
Voltage - Input Offset: 250 µV or lower

Substitutes are grouped into two categories:

Category 1: Direct Equivalents (Identical Base Product)

LMV774MTX/NOPB: Active product status variant with identical electrical specifications and packaging

Category 2: Functional Alternatives (Enhanced Performance)

ADA4891-4ARUZ series (Analog Devices): CMOS amplifiers with significantly higher slew rate (210V/µs) and gain bandwidth product (105 MHz), maintaining 14-TSSOP package and 2.7V–5.5V supply range
BD12734FVJ-E2 (Rohm Semiconductor): General-purpose amplifier with 14-TSSOP package, reduced slew rate (0.4V/µs) and gain bandwidth product (1 MHz), narrower temperature range (-40°C to 85°C)
BU7487FV-E2 and BU7487SFV-E2 (Rohm Semiconductor): CMOS amplifiers with 10V/µs slew rate and 10 MHz gain bandwidth product, 14-LSSOP package variant
LMR344FVJ-E2 (Rohm Semiconductor): CMOS amplifier with 1V/µs slew rate and 2 MHz gain bandwidth product, 14-TSSOP package
LMR934FVJ-E2 (Rohm Semiconductor): General-purpose amplifier with 0.35V/µs slew rate and 1.4 MHz gain bandwidth product, 14-TSSOP package, narrower temperature range (-40°C to 85°C)
LMV324TSG-13 (Diodes Incorporated): General-purpose amplifier with 1V/µs slew rate and 1 MHz gain bandwidth product, 14-TSSOP package, active product status

Parameter Comparison

Part Number	Manufacturer	Product Status	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Supply Span (V)	Temp Range (°C)	Package	RoHS Status
LMV774MTX	Texas Instruments	Obsolete	General Purpose	1.4	3.5	2.7–5.5	-40 to 125	14-TSSOP	Non-compliant
LMV774MTX/NOPB	Texas Instruments	Active	General Purpose	1.4	3.5	2.7–5.5	-40 to 125	14-TSSOP	ROHS3 Compliant
ADA4891-4ARUZ	Analog Devices Inc.	Active	CMOS	210	105	2.7–5.5	-40 to 125	14-TSSOP	ROHS3 Compliant
ADA4891-4ARUZ-R7	Analog Devices Inc.	Active	CMOS	210	105	2.7–5.5	-40 to 125	14-TSSOP	ROHS3 Compliant
ADA4891-4ARUZ-RL	Analog Devices Inc.	Active	CMOS	210	105	2.7–5.5	-40 to 125	14-TSSOP	ROHS3 Compliant
BD12734FVJ-E2	Rohm Semiconductor	Active	General Purpose	0.4	1	1.8–5	-40 to 85	14-TSSOP	ROHS3 Compliant
BU7487FV-E2	Rohm Semiconductor	Active	CMOS	10	10	3–5.5	-40 to 105	14-LSSOP	ROHS3 Compliant
BU7487SFV-E2	Rohm Semiconductor	Active	CMOS	10	10	3–5.5	-40 to 105	14-LSSOP	ROHS3 Compliant
LMR344FVJ-E2	Rohm Semiconductor	Active	CMOS	1	2	2.7–5.5	-40 to 85	14-TSSOP	ROHS3 Compliant
LMR934FVJ-E2	Rohm Semiconductor	Active	General Purpose	0.35	1.4	1.8–5	-40 to 85	14-TSSOP	ROHS3 Compliant
LMV324TSG-13	Diodes Incorporated	Active	General Purpose	1	1	2.7–5.5	-40 to 125	14-TSSOP	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement with Identical Specifications:

LMV774MTX/NOPB is the recommended primary substitute. This part maintains identical electrical characteristics, package form factor, and operating temperature range as the obsolete LMV774MTX. The key advantage is active product status with ROHS3 compliance, ensuring long-term availability and regulatory alignment. Inventory availability is significantly higher (25,100 pcs) compared to the original part (7,439 pcs).

For Applications Requiring Enhanced Performance:

ADA4891-4ARUZ, ADA4891-4ARUZ-R7, and ADA4891-4ARUZ-RL are suitable when higher slew rate (210V/µs) and gain bandwidth product (105 MHz) are beneficial. These CMOS amplifiers maintain the 2.7V–5.5V supply range and -40°C to 125°C operating temperature. All variants are ROHS3 compliant and active products. Selection among the three variants depends on packaging requirements: standard tube, cut tape with digi-reel, or tape and reel formats.

For Low-Speed, Low-Power Applications:

LMR934FVJ-E2 provides a general-purpose amplifier alternative with reduced slew rate (0.35V/µs) and lower supply current (250µA), suitable for battery-powered or low-frequency signal processing applications. This part is ROHS3 compliant and active. Note the narrower operating temperature range (-40°C to 85°C) and reduced maximum supply voltage (5V).

For Intermediate Performance Requirements:

LMV324TSG-13 offers a general-purpose amplifier with 1V/µs slew rate and 1 MHz gain bandwidth product. This part maintains the full 2.7V–5.5V supply range and -40°C to 125°C operating temperature, with ROHS3 compliance and active product status. Inventory availability is substantial (34,987 pcs).

Compliance Considerations:

All recommended substitutes are ROHS3 compliant, addressing regulatory requirements that the original LMV774MTX does not meet. All parts maintain MSL 1 (Unlimited) moisture sensitivity classification and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can LMV774MTX/NOPB be used as a direct drop-in replacement for LMV774MTX?

A: Yes. LMV774MTX/NOPB is electrically and mechanically identical to LMV774MTX. Both parts feature four general-purpose amplifier circuits in a 14-TSSOP package with identical slew rate (1.4V/µs), gain bandwidth product (3.5 MHz), supply voltage range (2.7V–5.5V), and operating temperature range (-40°C to 125°C). The primary difference is product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant).

Q: What are the key differences between the LMV774MTX and ADA4891-4ARUZ series?

A: Both parts are four-channel amplifiers in 14-TSSOP packages with identical supply voltage ranges (2.7V–5.5V) and operating temperature ranges (-40°C to 125°C). The ADA4891-4ARUZ series uses CMOS technology with significantly higher performance: slew rate of 210V/µs (vs. 1.4V/µs) and gain bandwidth product of 105 MHz (vs. 3.5 MHz). The ADA4891 series is suitable for high-speed signal processing applications, while the LMV774MTX is optimized for general-purpose, lower-frequency applications.

Q: Are there packaging differences between substitute parts?

A: Most substitutes use the 14-TSSOP package, maintaining mechanical compatibility with LMV774MTX. Exceptions include BU7487FV-E2 and BU7487SFV-E2, which use 14-LSSOP (14-SSOP-B) packaging. While both are 14-pin SSOP variants with 0.173" width and 4.40mm body width, PCB layout and footprint verification is required before substitution.

Q: Which substitute parts maintain the full -40°C to 125°C operating temperature range?

A: LMV774MTX/NOPB, ADA4891-4ARUZ, ADA4891-4ARUZ-R7, ADA4891-4ARUZ-RL, and LMV324TSG-13 all support the full -40°C to 125°C operating temperature range. Other alternatives (BD12734FVJ-E2, BU7487FV-E2, BU7487SFV-E2, LMR344FVJ-E2, LMR934FVJ-E2) have reduced maximum operating temperatures (85°C or 105°C).

Q: What is the significance of RoHS compliance in selecting a substitute?

A: The original LMV774MTX is RoHS non-compliant. All recommended substitutes are ROHS3 compliant, meeting current regulatory requirements for electronic components in many jurisdictions. ROHS3 compliance ensures the parts do not contain restricted substances (lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers) and supports long-term design qualification and supply chain sustainability.

Q: How do supply current specifications affect substitute selection?

A: The LMV774MTX draws 600µA across four channels (150µA per channel). Substitutes vary: ADA4891 series draws 4.4mA (1.1mA per channel), BD12734FVJ-E2 draws 1.2mA total, BU7487 variants draw 6mA total, LMR344FVJ-E2 draws 400µA total, LMR934FVJ-E2 draws 250µA total, and LMV324TSG-13 draws 340µA total. For battery-powered or power-constrained applications, LMR934FVJ-E2 or LMR344FVJ-E2 offer lower power consumption.

Q: What packaging options are available for the recommended substitutes?

A: LMV774MTX/NOPB is available in Cut Tape (CT) and Digi-Reel format. ADA4891-4ARUZ is available in Tube packaging. ADA4891-4ARUZ-R7 is available in Cut Tape (CT) and Digi-Reel format. ADA4891-4ARUZ-RL is available in Tape & Reel (TR) format. Rohm and Diodes parts are available in Cut Tape (CT) and Digi-Reel or Tape & Reel formats. Packaging selection depends on production volume and assembly equipment compatibility.

Q: Can lower-performance substitutes (such as BD12734FVJ-E2 or LMR934FVJ-E2) be used in place of LMV774MTX?

A: Lower-performance substitutes are suitable only if the application does not require the LMV774MTX's slew rate (1.4V/µs) or gain bandwidth product (3.5 MHz). BD12734FVJ-E2 offers 0.4V/µs slew rate and 1 MHz GBW, while LMR934FVJ-E2 offers 0.35V/µs slew rate and 1.4 MHz GBW. These parts are appropriate for low-frequency signal conditioning, filtering, or buffering applications where bandwidth is not critical. Circuit simulation or prototype testing is required to confirm functional compatibility.

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