LMV792MMX Equivalent & Substitute Parts

Part Overview

The LMV792MMX is a general purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in a 10-VSSOP surface mount package. This device delivers rail-to-rail output capability with a 17 MHz gain bandwidth product and operates across a 1.8 V to 5.5 V supply range. The LMV792MMX is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this amplifier topology.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	11.5	V/µs
Gain Bandwidth Product	17	MHz
Current - Input Bias	0.1	pA
Voltage - Input Offset	100	µV
Current - Supply (x2 Channels)	1.3	mA
Current - Output / Channel	60	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Mounting Type	Surface Mount	—
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	—
Supplier Device Package	10-VSSOP	—

Substitute Part Grouping Explanation

Substitution of the LMV792MMX is determined by strict alignment of electrical and mechanical parameters. The following criteria establish valid substitute relationships:

Primary Substitution Criteria:

Dual circuit configuration (2 circuits required)
Rail-to-rail output capability
Surface mount packaging with 10-pin TFSOP/MSOP footprint compatibility
Supply voltage range encompassing 1.8 V to 5.5 V minimum and maximum
Operating temperature range of -40°C to 125°C
Output current per channel minimum 60 mA

Direct Equivalent: LMV792MMX/NOPB is the direct equivalent, differing only in RoHS compliance status (ROHS3 Compliant versus RoHS non-compliant) and product status (Active versus Obsolete). All electrical and mechanical parameters are identical.

Functional Substitutes: STMicroelectronics TSV series amplifiers (TSV623IST, TSV6293AIST, TSV6293IST, TSV633AIST, TSV633IST, TSV6393AIST) meet the core substitution criteria of dual-circuit, rail-to-rail, surface mount configuration with compatible supply and temperature ranges. These devices differ in amplifier type classification, slew rate, gain bandwidth product, input bias current, input offset voltage, and supply current specifications. Selection among these substitutes depends on application-specific performance requirements within the allowed parameter envelope.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Number of Circuits	Output Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Product Status	RoHS Status
LMV792MMX	Texas Instruments	General Purpose	2	Rail-to-Rail	11.5	17	0.1	100	1.3	60	1.8	5.5	-40 to 125	10-VSSOP	Obsolete	RoHS non-compliant
LMV792MMX/NOPB	Texas Instruments	General Purpose	2	Rail-to-Rail	11.5	17	0.1	100	1.3	60	1.8	5.5	-40 to 125	10-VSSOP	Active	ROHS3 Compliant
TSV623IST	STMicroelectronics	CMOS	2	Rail-to-Rail	0.14	0.42	1	4000	0.058	74	1.5	5.5	-40 to 125	10-MiniSO	Active	ROHS3 Compliant
TSV6293AIST	STMicroelectronics	CMOS	2	Rail-to-Rail	0.5	1.3	1	1000	0.058	74	1.5	5.5	-40 to 125	10-MiniSO	Active	ROHS3 Compliant
TSV6293IST	STMicroelectronics	CMOS	2	Rail-to-Rail	0.5	1.3	1	4000	0.010	74	1.5	5.5	-40 to 125	10-MiniSO	Active	ROHS3 Compliant
TSV633AIST	STMicroelectronics	General Purpose	2	Rail-to-Rail	0.34	0.88	1	800	0.100	74	1.5	5.5	-40 to 125	10-MiniSO	Active	ROHS3 Compliant
TSV633IST	STMicroelectronics	General Purpose	2	Rail-to-Rail	0.34	0.88	1	1000	0.100	74	1.5	5.5	-40 to 125	10-MiniSO	Active	ROHS3 Compliant
TSV6393AIST	STMicroelectronics	CMOS	2	Rail-to-Rail	1.1	2.4	1	1000	0.100	72	1.5	5.5	-40 to 125	10-MiniSO	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Replacement (Identical Electrical Performance): LMV792MMX/NOPB is the recommended direct replacement for LMV792MMX. This part maintains all electrical specifications and mechanical compatibility while offering Active product status and ROHS3 compliance. Selection of this part eliminates obsolescence risk and ensures regulatory compliance for new production.

Functional Substitutes (Performance Trade-offs Required): STMicroelectronics TSV series amplifiers provide functional substitution with documented performance differences. TSV633AIST and TSV633IST maintain General Purpose amplifier classification, matching the LMV792MMX functional category. TSV6293AIST, TSV6293IST, TSV623IST, and TSV6393AIST are classified as CMOS amplifiers with different performance envelopes.

All STMicroelectronics substitutes offer:

Active product status ensuring long-term availability
ROHS3 compliance for regulatory alignment
Dual-circuit, rail-to-rail configuration
Compatible supply voltage range (1.5 V to 5.5 V encompasses LMV792MMX range)
Identical operating temperature range (-40°C to 125°C)
Surface mount 10-pin packaging with footprint compatibility

Performance differences in slew rate, gain bandwidth product, input bias current, and input offset voltage must be evaluated against specific application requirements. TSV633AIST and TSV633IST offer the closest performance alignment to LMV792MMX among STMicroelectronics options, with General Purpose classification and moderate slew rate characteristics.

Frequently Asked Questions (FAQ)

Q: Can LMV792MMX/NOPB be used as a direct drop-in replacement for LMV792MMX?

A: Yes. LMV792MMX/NOPB is electrically and mechanically identical to LMV792MMX. The only differences are product status (Active versus Obsolete) and RoHS compliance (ROHS3 Compliant versus RoHS non-compliant). No circuit modifications are required.

Q: What are the key differences between LMV792MMX and STMicroelectronics TSV series substitutes?

A: The primary differences are slew rate, gain bandwidth product, input bias current, and input offset voltage. LMV792MMX delivers 11.5 V/µs slew rate and 17 MHz gain bandwidth product. TSV633 series offers 0.34 V/µs and 0.88 MHz respectively. TSV6293 series provides 0.5 V/µs and 1.3 MHz. TSV6393 series delivers 1.1 V/µs and 2.4 MHz. These differences affect frequency response and signal fidelity in high-speed applications.

Q: Are STMicroelectronics TSV parts pin-compatible with LMV792MMX?

A: All substitute parts maintain 10-pin surface mount packaging with TFSOP/MSOP footprint compatibility. Physical placement on PCB is compatible. Pin function assignment must be verified against specific device datasheets to ensure functional compatibility with circuit design.

Q: What is the supply current difference between LMV792MMX and TSV6293IST?

A: LMV792MMX draws 1.3 mA total supply current (x2 channels). TSV6293IST draws 5 µA total supply current. This represents a significant power consumption reduction, beneficial for battery-powered or low-power applications. Circuit design must account for this performance characteristic.

Q: Can TSV623IST replace LMV792MMX in all applications?

A: TSV623IST meets mechanical and basic electrical compatibility criteria (dual-circuit, rail-to-rail, surface mount, compatible supply and temperature ranges). However, TSV623IST delivers significantly lower slew rate (0.14 V/µs versus 11.5 V/µs) and gain bandwidth product (0.42 MHz versus 17 MHz). Applications requiring high-frequency response or fast signal transitions may not function correctly with this substitute.

Q: What is the significance of AEC-Q100 qualification on TSV633AIST and TSV633IST?

A: AEC-Q100 qualification indicates automotive-grade reliability testing and qualification. This certification is relevant for automotive applications requiring enhanced reliability standards. LMV792MMX does not carry this qualification. Selection of AEC-Q100 qualified parts is necessary for automotive design requirements.

Q: How do input offset voltage differences affect circuit performance?

A: LMV792MMX specifies 100 µV input offset voltage. TSV633AIST specifies 800 µV, and TSV633IST specifies 1 mV. Higher input offset voltage increases DC error in precision analog circuits. Applications with tight DC accuracy requirements may require additional offset trimming or calibration when substituting parts with higher offset specifications.

Q: Is package footprint identical between 10-VSSOP and 10-MiniSO?

A: Both packages are 10-pin surface mount with 0.118" (3.00mm) width. Physical footprint compatibility exists for PCB placement. Pin pitch and lead dimensions must be verified against specific package drawings to ensure solder reflow compatibility and assembly process alignment.

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