LMV792MM Equivalent & Substitute Parts

Part Overview

The LMV792MM 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 LMV792MM is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and production continuity. Substitute parts must maintain compatibility with the dual-circuit configuration, rail-to-rail output architecture, and 10-pin surface-mount package footprint while meeting the electrical performance requirements of the original application.

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	1.3 (x2 Channels)	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	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the LMV792MM is determined by the following critical parameters: dual-circuit configuration, rail-to-rail output capability, 10-pin surface-mount package compatibility, supply voltage range (1.8 V to 5.5 V), and operating temperature range (-40°C to 125°C). Substitute parts are grouped into two categories based on amplifier type and performance characteristics:

Category 1: Direct Functional Equivalents (General Purpose Amplifiers) Parts maintaining the general-purpose amplifier classification with comparable slew rate and gain bandwidth product specifications. These include LMV792MM/NOPB, TSV633AIST, and TSV633IST.

Category 2: Performance-Optimized Alternatives (CMOS Amplifiers) Parts utilizing CMOS architecture with enhanced power efficiency and lower supply current, including TSV623IST, TSV6293AIST, TSV6293IST, and TSV6393AIST. These devices maintain dual-circuit, rail-to-rail output configuration and compatible package footprints but exhibit different slew rate and gain bandwidth product characteristics.

All substitute parts operate within the specified temperature range and supply voltage envelope. Package compatibility is maintained across all alternatives through 10-pin surface-mount configurations (10-MiniSO or 10-VSSOP).

Parameter Comparison

Parameter	LMV792MM	LMV792MM/NOPB	TSV623IST	TSV6293AIST	TSV6293IST	TSV633AIST	TSV633IST	TSV6393AIST
Manufacturer	Texas Instruments	National Semiconductor	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Amplifier Type	General Purpose	General Purpose	CMOS	CMOS	CMOS	General Purpose	General Purpose	CMOS
Number of Circuits	2	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	Rail-to-Rail
Slew Rate (V/µs)	11.5	11.5	0.14	0.5	0.5	0.34	0.34	1.1
Gain Bandwidth Product (MHz)	17	17	0.42	1.3	1.3	0.88	0.88	2.4
Current - Input Bias (pA)	0.1	0.1	1	1	1	1	1	1
Voltage - Input Offset (µV)	100	100	4000	1000	4000	800	1000	1000
Current - Supply (mA)	1.3 (x2)	1.3 (x2)	0.029	0.029	0.005	0.050 (x2)	0.050 (x2)	0.050
Current - Output / Channel (mA)	60	60	74	74	74	74	74	72
Voltage - Supply Span (Min)	1.8 V	1.8 V	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V	1.5 V
Voltage - Supply Span (Max)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Operating Temperature	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP	10-TFSOP, 10-MSOP
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

LMV792MM/NOPB is the primary direct substitute, maintaining identical electrical specifications and general-purpose amplifier classification. This part is manufactured by National Semiconductor and carries active product status, ensuring long-term availability. The LMV792MM/NOPB is recommended for applications requiring exact performance matching to the original LMV792MM design.

TSV633AIST and TSV633IST are general-purpose amplifier alternatives manufactured by STMicroelectronics. Both parts maintain dual-circuit, rail-to-rail output configuration with compatible package footprints. The TSV633AIST carries automotive-grade qualification (AEC-Q100), making it suitable for automotive and industrial applications requiring enhanced reliability. The TSV633IST provides equivalent functionality without automotive qualification. Both parts exhibit reduced slew rate (0.34 V/µs) and lower gain bandwidth product (880 kHz) compared to the original LMV792MM, requiring application-level assessment for bandwidth-sensitive circuits.

TSV6293AIST and TSV6293IST are CMOS amplifier alternatives offering improved power efficiency with significantly reduced supply current (29 µA and 5 µA respectively, compared to 1.3 mA for the original). These parts deliver 1.3 MHz gain bandwidth product and 0.5 V/µs slew rate, suitable for low-power applications where bandwidth requirements are moderate. The TSV6293IST offers the lowest supply current specification (5 µA) and is recommended for battery-powered and energy-constrained applications.

TSV623IST is a CMOS amplifier with the lowest gain bandwidth product (420 kHz) and slew rate (0.14 V/µs) among all alternatives. This part is suitable only for applications with minimal bandwidth requirements and is not recommended for high-frequency signal processing.

TSV6393AIST is a CMOS amplifier offering intermediate performance characteristics with 2.4 MHz gain bandwidth product and 1.1 V/µs slew rate. This part provides a balance between power efficiency and bandwidth capability, suitable for applications requiring moderate signal processing speed with reduced power consumption.

All STMicroelectronics substitute parts carry ROHS3 compliance and active product status, ensuring regulatory compliance and long-term supply availability. Selection between alternatives depends on specific application requirements for bandwidth, power consumption, and automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can LMV792MM/NOPB be used as a direct replacement for LMV792MM?

A: Yes. The LMV792MM/NOPB maintains identical electrical specifications, dual-circuit configuration, rail-to-rail output capability, and 10-pin surface-mount package compatibility. The primary difference is product status: LMV792MM/NOPB is active, while the original LMV792MM is obsolete. No circuit modifications are required for substitution.

Q: What are the key differences between general-purpose and CMOS amplifier substitutes?

A: General-purpose amplifiers (LMV792MM/NOPB, TSV633AIST, TSV633IST) maintain higher slew rate and gain bandwidth product specifications, making them suitable for higher-frequency applications. CMOS amplifiers (TSV623IST, TSV6293AIST, TSV6293IST, TSV6393AIST) offer significantly lower supply current consumption, making them preferable for power-constrained applications. All maintain dual-circuit, rail-to-rail output configuration and compatible package footprints.

Q: Are all substitute parts compatible with the original 10-VSSOP package footprint?

A: All substitute parts utilize 10-pin surface-mount packages (10-VSSOP or 10-MiniSO) with identical 0.118" (3.00mm) width specifications. Package footprints are mechanically compatible, allowing direct PCB substitution without layout modifications.

Q: Which substitute part is recommended for automotive applications?

A: TSV633AIST carries automotive-grade qualification (AEC-Q100) and is specifically recommended for automotive and industrial applications requiring enhanced reliability and temperature stability. This part maintains general-purpose amplifier classification with 0.34 V/µs slew rate and 880 kHz gain bandwidth product.

Q: What is the impact of reduced slew rate in CMOS alternatives on circuit performance?

A: Slew rate determines the maximum rate of output voltage change. The original LMV792MM delivers 11.5 V/µs, while CMOS alternatives range from 0.14 V/µs to 1.1 V/µs. Applications requiring high-speed signal processing or steep transient response may experience performance degradation with CMOS alternatives. Applications with moderate bandwidth requirements (below 1 MHz) are unaffected by reduced slew rate.

Q: Which substitute part offers the lowest power consumption?

A: TSV6293IST delivers the lowest supply current specification at 5 µA, compared to 1.3 mA for the original LMV792MM. This part is recommended for battery-powered applications and energy-constrained systems where power efficiency is critical.

Q: Are all substitute parts RoHS compliant?

A: All STMicroelectronics substitute parts (TSV623IST, TSV6293AIST, TSV6293IST, TSV633AIST, TSV633IST, TSV6393AIST) carry ROHS3 compliance. The original LMV792MM is RoHS non-compliant. LMV792MM/NOPB compliance status is not specified in the provided data.

Q: What is the difference between TSV6293AIST and TSV6293IST?

A: Both parts are CMOS amplifiers with identical gain bandwidth product (1.3 MHz) and slew rate (0.5 V/µs). The primary difference is supply current: TSV6293AIST draws 29 µA, while TSV6293IST draws 5 µA. Additionally, TSV6293AIST specifies 1 mV input offset voltage, while TSV6293IST specifies 4 mV. TSV6293IST is recommended for ultra-low-power applications.

Q: Can TSV623IST be used in high-frequency signal processing applications?

A: No. TSV623IST delivers only 420 kHz gain bandwidth product and 0.14 V/µs slew rate, making it unsuitable for high-frequency applications. This part is limited to low-bandwidth signal conditioning and filtering applications. For applications requiring bandwidth above 1 MHz, TSV6293AIST, TSV6293IST, or TSV6393AIST are more appropriate alternatives.

Q: What is the significance of input offset voltage differences among substitute parts?

A: Input offset voltage determines DC accuracy in precision applications. The original LMV792MM specifies 100 µV offset. Substitute parts range from 800 µV to 4000 µV. Applications requiring high DC precision (instrumentation, sensor signal conditioning) may require additional calibration or offset trimming when substituting with higher-offset alternatives.

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