LMV118MF Equivalent & Substitute Parts

Part Overview

The LMV118MF is a voltage feedback operational amplifier manufactured by Texas Instruments, housed in a SOT-23-6 surface mount package. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and production continuity. The LMV118MF delivers rail-to-rail output capability with a 45 MHz bandwidth and is suitable for low-voltage, general-purpose amplification applications requiring compact packaging.

Key Parameters

Parameter	Value
Amplifier Type	Voltage Feedback
Number of Circuits	1
Output Type	Push-Pull, Rail-to-Rail
Package / Case	SOT-23-6
Slew Rate	35 V/µs
-3dB Bandwidth	45 MHz
Current - Input Bias	400 nA
Voltage - Input Offset	1 mV
Current - Supply	600 µA
Current - Output / Channel	20 mA
Voltage - Supply Span (Min)	2.5 V
Voltage - Supply Span (Max)	12 V
Operating Temperature	-40°C to 85°C
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the LMV118MF is determined by the following critical parameters:

Package Compatibility: All substitute parts must use SOT-23-6 surface mount packaging to ensure mechanical and electrical compatibility with existing PCB layouts.

Circuit Configuration: The substitute must provide a single operational amplifier circuit with rail-to-rail output capability.

Electrical Performance Envelope: Substitute parts must operate within the supply voltage range of 2.5 V to 12 V and maintain functional performance across the operating temperature range of -40°C to 85°C.

Functional Classification: Substitutes are grouped into two categories:

Direct Functional Equivalents – Parts maintaining voltage feedback amplifier topology with comparable performance specifications
Performance-Enhanced Alternatives – Parts offering superior electrical characteristics while maintaining backward compatibility with the original application envelope

The substitute parts identified are LMV118MF/NOPB, AD8027ARTZ-R2, AD8027ARTZ-REEL7, ADA4805-1ARJZ-R2, and ADA4805-1ARJZ-R7.

Parameter Comparison

Parameter	LMV118MF	LMV118MF/NOPB	AD8027ARTZ-R2	AD8027ARTZ-REEL7	ADA4805-1ARJZ-R2	ADA4805-1ARJZ-R7
Manufacturer	Texas Instruments	National Semiconductor	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Product Status	Obsolete	Active	Active	Active	Active	Active
Amplifier Type	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1	1
Output Type	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6
Slew Rate (V/µs)	35	35	100	100	160	160
-3dB Bandwidth (MHz)	45	45	190	190	105	105
Current - Input Bias (nA)	400	400	4000	4000	470	470
Voltage - Input Offset (mV)	1	1	0.2	0.2	0.009	0.009
Current - Supply (µA)	600	600	6500	6500	500	500
Current - Output / Channel (mA)	20	20	120	120	73	73
Voltage - Supply Span (Min)	2.5 V	2.5 V	2.7 V	2.7 V	3 V	3 V
Voltage - Supply Span (Max)	12 V	12 V	12 V	12 V	10 V	10 V
Operating Temperature	-40°C to 85°C	-40°C to 85°C	-40°C to 125°C	-40°C to 125°C	-40°C to 125°C	-40°C to 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

LMV118MF/NOPB is the primary direct substitute for the obsolete LMV118MF. This part maintains identical electrical specifications and packaging, providing seamless replacement capability. The LMV118MF/NOPB is currently in active production status with substantial inventory availability (12,088 units), ensuring supply continuity. This substitute is recommended for applications requiring exact performance matching with the original design.

AD8027ARTZ-R2 and AD8027ARTZ-REEL7 are performance-enhanced alternatives from Analog Devices Inc. Both variants are ROHS3 compliant and offer superior electrical characteristics including higher slew rate (100 V/µs versus 35 V/µs), extended bandwidth (190 MHz versus 45 MHz), and improved output current capability (120 mA versus 20 mA). These parts extend the operating temperature range to 125°C and maintain compatibility with the 2.5 V to 12 V supply envelope. The AD8027 series is suitable for applications requiring higher performance margins or extended temperature operation. The primary difference between AD8027ARTZ-R2 and AD8027ARTZ-REEL7 is packaging format (Cut Tape versus Digi-Reel), with no electrical distinction.

ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 are general-purpose amplifier alternatives offering the highest performance specifications among available substitutes. These parts deliver 160 V/µs slew rate, 105 MHz bandwidth, and 73 mA output current. The ADA4805 series exhibits superior input offset voltage (9 µV) and maintains ROHS3 compliance with extended temperature operation to 125°C. Supply voltage range is 3 V to 10 V, which is compatible with the original 2.5 V to 12 V envelope for applications operating above 3 V. The ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 differ only in packaging format.

For new designs or production transitions, selection between these substitutes depends on application-specific performance requirements and supply voltage constraints. All identified substitutes maintain SOT-23-6 packaging compatibility and single-circuit configuration.

Frequently Asked Questions (FAQ)

Q: Can LMV118MF/NOPB be used as a direct replacement for LMV118MF?

A: Yes. The LMV118MF/NOPB maintains identical electrical specifications, package type (SOT-23-6), and functional characteristics. This part is the recommended substitute for direct replacement applications.

Q: What are the key differences between the AD8027 and ADA4805 substitute options?

A: The AD8027 series maintains voltage feedback amplifier topology matching the original LMV118MF classification. The ADA4805 series is classified as general-purpose amplifier topology. The AD8027 offers 190 MHz bandwidth; the ADA4805 offers 105 MHz bandwidth. The ADA4805 provides superior input offset voltage (9 µV versus 200 µV) and higher slew rate (160 V/µs versus 100 V/µs). Both series are ROHS3 compliant and support extended temperature operation to 125°C.

Q: Are there supply voltage compatibility concerns when substituting with AD8027 or ADA4805 parts?

A: The AD8027 series supports 2.7 V to 12 V supply range, which is compatible with the original 2.5 V to 12 V specification. The ADA4805 series supports 3 V to 10 V supply range. Applications requiring operation below 3 V must use LMV118MF/NOPB or AD8027 variants. Applications operating between 3 V and 10 V can use any substitute.

Q: What is the difference between AD8027ARTZ-R2 and AD8027ARTZ-REEL7?

A: Both parts are electrically identical. The primary difference is packaging format: AD8027ARTZ-R2 is supplied in Cut Tape (CT) & Digi-Reel format; AD8027ARTZ-REEL7 is supplied in Cut Tape (CT) & Digi-Reel format. Selection depends on procurement and assembly process requirements.

Q: Is the LMV118MF/NOPB RoHS compliant?

A: RoHS compliance status for LMV118MF/NOPB is not specified in available documentation. The AD8027 and ADA4805 series are ROHS3 compliant. For applications requiring RoHS certification, AD8027 or ADA4805 variants are recommended.

Q: Can the higher performance AD8027 or ADA4805 parts be used in existing LMV118MF circuit designs without modification?

A: The AD8027 and ADA4805 parts are pin-compatible in SOT-23-6 packaging and maintain rail-to-rail output capability. However, superior electrical characteristics (higher bandwidth, slew rate, and output current) may require circuit validation to confirm performance margins and stability in the specific application context. No PCB layout modifications are required due to identical package geometry.

Q: What inventory status should be considered when selecting a substitute?

A: LMV118MF/NOPB has 12,088 units in stock. AD8027ARTZ-R2 has 107,473 units in stock. AD8027ARTZ-REEL7 has 20,465 units in stock. ADA4805-1ARJZ-R2 has 2,100 units in stock. ADA4805-1ARJZ-R7 has 1,402 units in stock. Inventory levels should be evaluated against production volume and lead time requirements.

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