LMV824ID Equivalent & Substitute Parts

Part Overview

The LMV824ID is a general-purpose operational amplifier manufactured by Texas Instruments, configured as a 4-circuit rail-to-rail amplifier in a 14-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of active equivalent and substitute parts for ongoing design support and procurement.

The LMV824ID operates across a supply voltage range of 2.5 V to 5.5 V with an operating temperature range of -40°C to 125°C. With a slew rate of 1.9 V/µs, gain bandwidth product of 5.5 MHz, and input bias current of 40 nA, this amplifier is suitable for general-purpose signal conditioning and buffering applications. The obsolete status of this part requires engineers to identify functionally compatible alternatives from active product lines.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	1.9	V/µs
Gain Bandwidth Product	5.5	MHz
Current - Input Bias	40	nA
Voltage - Input Offset	1	mV
Current - Supply	1	mA
Current - Output / Channel	45	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the LMV824ID is determined by the following critical parameters:

Primary Substitution Criteria:

Package compatibility: 14-SOIC form factor (0.154", 3.90mm Width)
Circuit configuration: 4-circuit amplifier
Output topology: Rail-to-rail operation
Supply voltage range: Minimum 2.5 V, maximum 5.5 V
Operating temperature range: -40°C to 125°C (preferred for extended industrial applications)
Mounting type: Surface mount

Secondary Performance Parameters:

Slew rate: 1.9 V/µs or higher
Gain bandwidth product: 5.5 MHz or higher
Input bias current: 40 nA or lower
Input offset voltage: 1 mV or lower
Output current per channel: 45 mA or higher
Supply current: 1 mA or lower

Substitute parts are grouped into two categories: direct functional equivalents (same amplifier type and performance class) and enhanced alternatives (superior performance characteristics within the same package and pin configuration).

Parameter Comparison

Part Number	Manufacturer	Product Status	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (nA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Temp Range (°C)	Package
LMV824ID	Texas Instruments	Obsolete	General Purpose	1.9	5.5	40	1	1	45	-40 to 125	14-SOIC
LMV824M/NOPB	Texas Instruments	Active	General Purpose	2	5.6	40	1	1	45	-40 to 85	14-SOIC
LMV824MX/NOPB	National Semiconductor	Active	General Purpose	2	5.6	40	1	1	45	-40 to 85	14-SOIC
AD8604ARZ	Analog Devices Inc.	Active	CMOS	6	8.4	0.0002	0.08	0.75	50	-40 to 125	14-SOIC
LMV824AIDT	STMicroelectronics	Active	General Purpose	1.9	5.5	60	0.8	0.3	70	-40 to 125	14-SOIC
LMV824DR2G	onsemi	Active	General Purpose	2	5.6	119	1	1	45	-40 to 85	14-SOIC
LMV824IDT	STMicroelectronics	Active	General Purpose	1.9	5.5	60	3.5	0.3	70	-40 to 125	14-SOIC
MCP619-I/SL	Microchip Technology	Active	CMOS	0.08	0.19	0.005	0.15	0.019	0.017	-40 to 85	14-SOIC
MCP619T-I/SL	Microchip Technology	Active	CMOS	0.08	0.19	0.005	0.15	0.019	0.017	-40 to 85	14-SOIC
MCP6284-E/SL	Microchip Technology	Active	General Purpose	2.5	5	0.001	3	0.45	25	-40 to 125	14-SOIC
MCP6284T-E/SL	Microchip Technology	Active	General Purpose	2.5	5	0.001	3	0.45	25	-40 to 125	14-SOIC

Engineering Selection Recommendations

Direct Functional Equivalents (Preferred for Drop-In Replacement):

The LMV824AIDT and LMV824IDT from STMicroelectronics provide the closest functional match to the LMV824ID. Both devices maintain identical slew rate (1.9 V/µs) and gain bandwidth product (5.5 MHz) specifications. Both are active products with AEC-Q100 automotive qualification and operate across the full -40°C to 125°C temperature range. The LMV824AIDT offers superior output current capability (70 mA vs. 45 mA) and lower supply current (0.3 mA vs. 1 mA), making it suitable for power-sensitive applications. Both parts are available in 14-SOIC packaging with ROHS3 compliance and unlimited moisture sensitivity rating.

Texas Instruments Active Alternatives:

The LMV824M/NOPB and LMV824MX/NOPB represent active Texas Instruments products within the LMV824 family. These parts offer marginal performance improvements (slew rate 2 V/µs, GBW 5.6 MHz) but operate at a reduced temperature range (-40°C to 85°C). The LMV824M/NOPB is packaged in tube format, while the LMV824MX/NOPB includes automotive-grade qualification (AEC-Q100). Selection between these variants depends on temperature operating requirements and packaging logistics.

Enhanced Performance Alternatives:

The AD8604ARZ from Analog Devices Inc. provides superior performance characteristics: slew rate of 6 V/µs, gain bandwidth product of 8.4 MHz, and exceptionally low input bias current (0.2 pA). This CMOS amplifier operates across the full -40°C to 125°C temperature range and maintains 14-SOIC packaging compatibility. The trade-off is reduced output current per channel (50 mA vs. 45 mA baseline) and lower supply current (0.75 mA). This part is suitable for applications requiring higher bandwidth and lower input bias current.

The MCP6284-E/SL and MCP6284T-E/SL from Microchip Technology offer slew rate of 2.5 V/µs and operate across -40°C to 125°C. These parts feature extremely low input bias current (1 pA) and are available in both tube and tape & reel packaging. However, output current per channel is reduced to 25 mA, limiting applications requiring higher drive capability.

Not Recommended for Direct Substitution:

The MCP619-I/SL and MCP619T-I/SL are low-bandwidth CMOS amplifiers (190 kHz GBW, 0.08 V/µs slew rate) designed for ultra-low power applications. These parts are unsuitable for general-purpose signal conditioning applications requiring the 5.5 MHz bandwidth of the LMV824ID.

The LMV824DR2G from onsemi exhibits elevated input bias current (119 nA) and operates at a reduced temperature range (-40°C to 85°C), making it a secondary choice when primary alternatives are unavailable.

Frequently Asked Questions (FAQ)

Q: Can the LMV824ID be directly replaced with LMV824M/NOPB?

A: The LMV824M/NOPB is functionally compatible for most applications. Both devices share identical slew rate (1.9 V/µs), gain bandwidth product (5.5 MHz), input bias current (40 nA), and input offset voltage (1 mV). The primary difference is the operating temperature range: LMV824M/NOPB operates -40°C to 85°C versus -40°C to 125°C for the LMV824ID. If your application requires operation above 85°C, select the STMicroelectronics LMV824AIDT or LMV824IDT instead.

Q: What is the difference between LMV824AIDT and LMV824IDT?

A: Both parts are manufactured by STMicroelectronics and share identical electrical specifications. The LMV824AIDT is designated as the automotive-qualified variant with AEC-Q100 certification. Both operate -40°C to 125°C and are available in 14-SOIC packaging. Selection depends on whether automotive qualification is required for your application.

Q: Why does AD8604ARZ have lower output current than LMV824ID?

A: The AD8604ARZ is a CMOS amplifier architecture, while the LMV824ID is a bipolar general-purpose amplifier. CMOS designs typically exhibit lower output current capability but offer superior input bias current characteristics (0.2 pA vs. 40 nA). The AD8604ARZ is suitable for applications where input bias current is critical and output current requirements do not exceed 50 mA per channel.

Q: Can MCP6284 series replace LMV824ID in high-speed applications?

A: The MCP6284-E/SL and MCP6284T-E/SL offer higher slew rate (2.5 V/µs) and lower input bias current (1 pA) than the LMV824ID. However, output current per channel is reduced to 25 mA. These parts are suitable for applications requiring lower input bias current and higher slew rate, provided output current requirements do not exceed 25 mA per channel. Both operate across -40°C to 125°C.

Q: What packaging options are available for LMV824 substitutes?

A: All substitute parts listed maintain 14-SOIC (0.154", 3.90mm Width) surface mount packaging. Packaging format variations include tube (standard reel packaging), cut tape with digi-reel, and tape & reel formats. Verify packaging compatibility with your procurement and assembly processes before final part selection.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed in this reference are RoHS3 compliant. Moisture sensitivity level (MSL) is rated as 1 (Unlimited) for most parts, with the exception of LMV824DR2G (MSL 3, 168 Hours). Verify MSL requirements for your specific assembly and storage conditions.

Q: Which substitute offers the best low-power performance?

A: The MCP619-I/SL and MCP619T-I/SL offer the lowest supply current (19 µA per 4 channels) but are limited to 190 kHz bandwidth. For applications requiring both low power and moderate bandwidth (5+ MHz), the AD8604ARZ (750 µA supply current) or MCP6284 series (450 µA supply current) are more appropriate selections.

Q: Is automotive qualification available for LMV824 substitutes?

A: Yes. The LMV824MX/NOPB (National Semiconductor), LMV824AIDT, and LMV824IDT (STMicroelectronics) all carry AEC-Q100 automotive qualification. These parts are suitable for automotive and industrial applications requiring formal qualification documentation.

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