LMV712MMX Equivalent & Substitute Parts

Part Overview

The LMV712MMX is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in a 10-VSSOP surface-mount package. This device is classified as obsolete, which necessitates identification of active equivalent and substitute components for new designs and production continuity. The LMV712MMX operates across a 2.7V to 5.5V supply range with rail-to-rail output capability, making it suitable for low-voltage analog signal processing applications. Substitute parts must maintain functional compatibility while meeting current manufacturing and compliance standards.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	5	V/µs
Gain Bandwidth Product	5	MHz
Current - Input Bias	5.5	pA
Voltage - Input Offset	400	µV
Current - Supply (x2 Channels)	1.22	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 85	°C
Mounting Type	Surface Mount	—
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	—
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the LMV712MMX is determined by strict equivalence across the following critical parameters: dual-circuit general-purpose amplifier topology, rail-to-rail output configuration, 2.7V to 5.5V supply voltage range, and surface-mount packaging compatible with 10-pin TFSOP/MSOP footprints. Substitute parts must maintain these core electrical and mechanical specifications to ensure functional interchangeability in existing circuit designs.

The substitute parts are grouped into two categories:

Direct Packaging Equivalent: LMV712MMX/NOPB maintains identical electrical specifications and 10-VSSOP packaging, differing only in product status (Active vs. Obsolete) and RoHS compliance.

Functional Equivalents with Enhanced Performance: AD8647ARMZ, AD8647ARMZ-REEL, LMV823IST, MAX4338EUB+, and MAX4338EUB+T provide dual-circuit general-purpose amplification with rail-to-rail output and compatible supply voltage ranges. These parts operate within the same package family (10-MSOP, 10-MiniSO, 10-uMAX/uSOP) and maintain surface-mount compatibility. Performance enhancements in slew rate, gain-bandwidth product, and output current are provided by certain substitutes, while others prioritize lower supply current or automotive qualification.

Parameter Comparison

Parameter	LMV712MMX	LMV712MMX/NOPB	AD8647ARMZ	AD8647ARMZ-REEL	LMV823IST	MAX4338EUB+	MAX4338EUB+T
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	STMicroelectronics	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	2	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	Rail-to-Rail
Slew Rate (V/µs)	5	5	11	11	1.9	1.8	1.8
Gain Bandwidth Product (MHz)	5	5	24	24	5.5	5	5
Current - Input Bias (pA)	5.5	5.5	0.3	0.3	60 nA	100 nA	100 nA
Voltage - Input Offset (µV)	400	400	600	600	3.5 mV	600	600
Current - Supply (mA, x2 Channels)	1.22	1.22	1.5	1.5	0.3	1.3	1.3
Current - Output / Channel (mA)	50	50	120	120	70	110	110
Voltage - Supply Span (Min, V)	2.7	2.7	2.7	2.7	2.5	2.7	2.7
Voltage - Supply Span (Max, V)	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 125	-40 to 85	-40 to 85
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	10-VSSOP	10-VSSOP	10-MSOP	10-MSOP	10-MiniSO	10-uMAX/uSOP	10-uMAX/uSOP
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	—	Cut Tape (CT) & Digi-Reel®	Tube	Tape & Reel (TR)	Tape & Reel (TR)	Tube	Tape & Reel (TR)

Engineering Selection Recommendations

LMV712MMX/NOPB is the primary direct substitute for the obsolete LMV712MMX. This part maintains identical electrical specifications and package footprint while offering Active product status and ROHS3 compliance. Selection of this part eliminates obsolescence risk and satisfies modern regulatory requirements without circuit redesign.

AD8647ARMZ and AD8647ARMZ-REEL provide enhanced performance characteristics, including 11V/µs slew rate (versus 5V/µs), 24MHz gain-bandwidth product (versus 5MHz), and 120mA output current per channel (versus 50mA). These parts extend operating temperature to -40°C to 125°C and maintain ROHS3 compliance. The AD8647ARMZ-REEL variant offers Tape & Reel packaging for high-volume production. Selection is appropriate for applications requiring higher bandwidth or output drive capability.

LMV823IST is manufactured by STMicroelectronics and includes AEC-Q100 automotive qualification. This part features significantly lower supply current (0.3mA total versus 1.22mA) and extended operating temperature range (-40°C to 125°C). The trade-off includes lower slew rate (1.9V/µs) and higher input offset voltage (3.5mV). Selection is appropriate for automotive applications and battery-powered systems prioritizing low power consumption.

MAX4338EUB+ and MAX4338EUB+T are manufactured by Analog Devices Inc./Maxim Integrated and provide 110mA output current per channel with 1.8V/µs slew rate. These parts maintain the 5MHz gain-bandwidth product and 2.7V to 5.5V supply range. The MAX4338EUB+T variant offers Tape & Reel packaging. Selection is appropriate for applications requiring moderate output drive with standard bandwidth characteristics and ROHS3 compliance.

All substitute parts maintain dual-circuit topology, rail-to-rail output configuration, and surface-mount compatibility. Package footprints differ (10-MSOP, 10-MiniSO, 10-uMAX/uSOP versus 10-VSSOP), requiring PCB layout verification prior to implementation.

Frequently Asked Questions (FAQ)

Q: Can LMV712MMX/NOPB be used as a direct replacement for LMV712MMX?

A: Yes. LMV712MMX/NOPB maintains identical electrical specifications, supply voltage range (2.7V to 5.5V), dual-circuit configuration, rail-to-rail output, and 10-VSSOP package footprint. The primary differences are Active product status and ROHS3 compliance. No circuit modifications are required.

Q: What are the key differences between LMV712MMX and AD8647ARMZ?

A: Both devices provide dual-circuit general-purpose amplification with rail-to-rail output and compatible 2.7V to 5.5V supply ranges. AD8647ARMZ offers enhanced performance: 11V/µs slew rate (versus 5V/µs), 24MHz gain-bandwidth product (versus 5MHz), 120mA output current per channel (versus 50mA), and extended operating temperature to 125°C. Package differs: AD8647ARMZ uses 10-MSOP versus LMV712MMX 10-VSSOP. PCB layout modification is required.

Q: Is LMV823IST suitable for low-power applications?

A: Yes. LMV823IST consumes 0.3mA total supply current (versus 1.22mA for LMV712MMX), making it appropriate for battery-powered and energy-constrained systems. It includes AEC-Q100 automotive qualification and operates across -40°C to 125°C. Trade-offs include lower slew rate (1.9V/µs) and higher input offset voltage (3.5mV). Package is 10-MiniSO, requiring PCB layout verification.

Q: What packaging options are available for high-volume production?

A: AD8647ARMZ-REEL and MAX4338EUB+T are supplied in Tape & Reel (TR) packaging, suitable for automated assembly and high-volume manufacturing. LMV712MMX/NOPB is available in Cut Tape (CT) & Digi-Reel® packaging. AD8647ARMZ and MAX4338EUB+ are supplied in Tube packaging.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed (LMV712MMX/NOPB, AD8647ARMZ, AD8647ARMZ-REEL, LMV823IST, MAX4338EUB+, MAX4338EUB+T) are ROHS3 compliant. The original LMV712MMX is RoHS non-compliant. Compliance verification is required for applications subject to RoHS regulations.

Q: Can substitute parts be used interchangeably in existing designs?

A: LMV712MMX/NOPB provides direct interchangeability without PCB modification. Other substitutes require PCB layout verification due to different package footprints (10-MSOP, 10-MiniSO, 10-uMAX/uSOP versus 10-VSSOP). Electrical parameter differences (slew rate, gain-bandwidth product, output current, supply current) must be evaluated against circuit requirements before implementation.

Q: What is the operating temperature range for each substitute?

A: LMV712MMX/NOPB and MAX4338EUB+/MAX4338EUB+T operate across -40°C to 85°C. AD8647ARMZ, AD8647ARMZ-REEL, and LMV823IST extend to -40°C to 125°C. Selection depends on application temperature requirements.

Q: Which substitute offers the lowest input bias current?

A: AD8647ARMZ and AD8647ARMZ-REEL provide 0.3pA input bias current, significantly lower than LMV712MMX (5.5pA). This characteristic is beneficial for high-impedance signal conditioning applications. LMV823IST provides 60nA, and MAX4338EUB+/MAX4338EUB+T provide 100nA.

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