LMV118MFX Equivalent & Substitute Parts

Part Overview

The LMV118MFX is a voltage feedback operational amplifier manufactured by Texas Instruments, housed in a SOT-23-6 surface mount package. This single-circuit, rail-to-rail push-pull output amplifier is designed for low-voltage applications requiring compact form factors. The LMV118MFX carries an obsolete product status, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain electrical compatibility across critical parameters including supply voltage range, output characteristics, and thermal operating specifications.

Substiute Parts

LMV118MFX

Texas InstrumentsIn Stock: 6042LMV118MFX Datasheet

Current PartRFQ

LMV118MFX/NOPB

National SemiconductorIn Stock: 2689LMV118MFX/NOPB Datasheet

DirectRFQ

AD8027ARTZ-R2

Analog Devices Inc.In Stock: 107555AD8027ARTZ-R2 Datasheet

MFR RecommendedRFQ

AD8027ARTZ-REEL7

Analog Devices Inc.In Stock: 20491AD8027ARTZ-REEL7 Datasheet

MFR RecommendedRFQ

ADA4805-1ARJZ-R2

Analog Devices Inc.In Stock: 2147ADA4805-1ARJZ-R2 Datasheet

MFR RecommendedRFQ

ADA4805-1ARJZ-R7

Analog Devices Inc.In Stock: 1432ADA4805-1ARJZ-R7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LMV118MFX are classified into two functional categories based on electrical parameter compatibility:

Category 1: Direct Functional Equivalent The LMV118MFX/NOPB (National Semiconductor) maintains identical electrical specifications across all critical parameters: voltage feedback amplifier topology, single circuit configuration, push-pull rail-to-rail output, 35 V/µs slew rate, 45 MHz bandwidth, 400 nA input bias current, 1 mV input offset voltage, 600 µA supply current, 20 mA output current, 2.5–12 V supply range, and -40°C to 85°C operating temperature. This part differs only in product status (Active vs. Obsolete) and packaging designation (Bulk vs. standard).

Category 2: Enhanced Performance Alternatives The AD8027ARTZ-R2 and AD8027ARTZ-REEL7 (Analog Devices Inc.) provide superior electrical performance while maintaining SOT-23-6 package compatibility and rail-to-rail output capability. These parts exceed the LMV118MFX in slew rate (100 V/µs vs. 35 V/µs), bandwidth (190 MHz vs. 45 MHz), output current (120 mA vs. 20 mA), and input offset voltage (200 µV vs. 1 mV). Supply voltage range expands to 2.7–12 V. Operating temperature extends to 125°C. Both variants are RoHS3 compliant and carry Active product status.

Category 3: General Purpose Alternative The ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 (Analog Devices Inc.) represent general purpose amplifier topology with enhanced specifications. These parts deliver 160 V/µs slew rate, 105 MHz bandwidth, 73 mA output current, and 9 µV input offset voltage. Supply range is 3–10 V with -40°C to 125°C operating temperature. RoHS3 compliance and Active status are confirmed.

Substitution eligibility is determined by: (1) identical SOT-23-6 package and surface mount configuration, (2) rail-to-rail output capability, (3) single-circuit configuration, (4) supply voltage range overlap with application requirements, and (5) output current sufficiency for load specifications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance)

The LMV118MFX/NOPB is the primary substitute when electrical specifications must remain unchanged. This part maintains all critical parameters of the obsolete LMV118MFX while offering Active product status, ensuring long-term availability and manufacturing support. Selection of this part is appropriate for designs where slew rate, bandwidth, and output current specifications are fixed requirements and cannot be modified.

For Performance-Enhanced Applications

The AD8027ARTZ-R2 and AD8027ARTZ-REEL7 are suitable when design margins permit higher performance specifications. These parts deliver 2.86× higher slew rate (100 V/µs), 4.22× higher bandwidth (190 MHz), and 6× higher output current (120 mA) compared to the LMV118MFX. Extended operating temperature to 125°C and RoHS3 compliance support modern manufacturing and environmental requirements. The supply voltage minimum increases from 2.5 V to 2.7 V; applications operating below 2.7 V require verification of circuit functionality. Both AD8027 variants are electrically identical; selection between R2 and REEL7 packaging is determined by procurement and assembly requirements.

For General Purpose Amplifier Applications

The ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 provide general purpose amplifier topology with superior input offset voltage (9 µV vs. 1 mV) and high slew rate (160 V/µs). These parts are appropriate for precision signal conditioning and high-speed applications. Supply voltage range is constrained to 3–10 V maximum; designs requiring 10–12 V operation must use AD8027 or LMV118MFX/NOPB alternatives. Both ADA4805 variants are electrically identical; packaging selection follows procurement methodology.

Compliance and Availability Considerations

All substitute parts except LMV118MFX/NOPB carry RoHS3 compliance certification, supporting regulatory requirements in restricted substance directives. Inventory levels vary: AD8027ARTZ-R2 (107,473 pcs), AD8027ARTZ-REEL7 (20,465 pcs), ADA4805-1ARJZ-R2 (2,100 pcs), ADA4805-1ARJZ-R7 (1,402 pcs), and LMV118MFX/NOPB (2,613 pcs). All parts carry Active product status except the original LMV118MFX (Obsolete).

Frequently Asked Questions (FAQ)

Q1: Can the LMV118MFX/NOPB be used as a direct drop-in replacement for the LMV118MFX?

A: Yes. The LMV118MFX/NOPB maintains identical electrical specifications across all parameters: voltage feedback amplifier topology, single circuit, push-pull rail-to-rail output, 35 V/µs slew rate, 45 MHz bandwidth, 400 nA input bias current, 1 mV input offset voltage, 600 µA supply current, 20 mA output current, 2.5–12 V supply range, and -40°C to 85°C operating temperature. The SOT-23-6 package and surface mount configuration are identical. Differences exist only in product status (Active vs. Obsolete) and packaging designation (Bulk). No circuit modifications are required.

Q2: What are the key differences between the AD8027 and LMV118MFX?

A: The AD8027ARTZ-R2 and AD8027ARTZ-REEL7 exceed LMV118MFX performance in four critical areas: slew rate increases from 35 V/µs to 100 V/µs (2.86× improvement), bandwidth increases from 45 MHz to 190 MHz (4.22× improvement), output current increases from 20 mA to 120 mA (6× improvement), and input offset voltage decreases from 1 mV to 200 µV (5× improvement). Operating temperature extends from 85°C to 125°C maximum. Supply voltage minimum increases from 2.5 V to 2.7 V. Both parts maintain SOT-23-6 package compatibility and rail-to-rail output capability. RoHS3 compliance is confirmed for AD8027 variants.

Q3: Can the ADA4805 substitute for the LMV118MFX in all applications?

A: The ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 are functionally compatible with the LMV118MFX in applications where supply voltage does not exceed 10 V. The ADA4805 maximum supply voltage is 10 V, compared to 12 V for the LMV118MFX. Applications requiring 10–12 V operation must use LMV118MFX/NOPB or AD8027 alternatives. The ADA4805 offers superior slew rate (160 V/µs), bandwidth (105 MHz), output current (73 mA), and input offset voltage (9 µV). General purpose amplifier topology differs from the LMV118MFX voltage feedback classification. SOT-23-6 package and surface mount configuration are identical.

Q4: What is the difference between AD8027ARTZ-R2 and AD8027ARTZ-REEL7?

A: The AD8027ARTZ-R2 and AD8027ARTZ-REEL7 are electrically identical. Both deliver 100 V/µs slew rate, 190 MHz bandwidth, 120 mA output current, 200 µV input offset voltage, 6.5 mA supply current, 2.7–12 V supply range, and -40°C to 125°C operating temperature. Differences exist only in packaging and delivery format: R2 designates Cut Tape (CT) & Digi-Reel® packaging, while REEL7 designates alternative reel configuration. Selection between variants is determined by procurement requirements, assembly equipment compatibility, and inventory management practices. Electrical performance and SOT-23-6 package dimensions are identical.

Q5: What is the difference between ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7?

A: The ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 are electrically identical. Both deliver 160 V/µs slew rate, 105 MHz bandwidth, 73 mA output current, 9 µV input offset voltage, 500 µA supply current, 3–10 V supply range, and -40°C to 125°C operating temperature. Differences exist only in packaging and delivery format: R2 designates Cut Tape (CT) & Digi-Reel® packaging, while R7 designates alternative reel configuration. Selection between variants is determined by procurement requirements, assembly equipment compatibility, and inventory management practices. Electrical performance and SOT-23-6 package dimensions are identical.

Q6: Are all substitute parts RoHS compliant?

A: The AD8027ARTZ-R2, AD8027ARTZ-REEL7, ADA4805-1ARJZ-R2, and ADA4805-1ARJZ-R7 carry ROHS3 compliance certification. The LMV118MFX/NOPB RoHS status is not specified in available documentation. The original LMV118MFX is RoHS non-compliant. Applications subject to RoHS directives should prioritize AD8027 or ADA4805 variants.

Q7: Which substitute part offers the lowest power consumption?

A: The ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 deliver the lowest supply current at 500 µA, compared to 600 µA for the LMV118MFX and LMV118MFX/NOPB, and 6.5 mA for the AD8027 variants. Selection of ADA4805 parts is appropriate for battery-powered or low-power applications where supply current minimization is a design requirement. Supply voltage range constraint (3–10 V maximum) must be verified against application specifications.

Q8: Which substitute part offers the highest output current capability?

A: The AD8027ARTZ-R2 and AD8027ARTZ-REEL7 deliver the highest output current at 120 mA per channel, compared to 73 mA for the ADA4805 variants and 20 mA for the LMV118MFX. Selection of AD8027 parts is appropriate for applications requiring high-current output buffering or driving low-impedance loads. Supply voltage range (2.7–12 V) and extended operating temperature (-40°C to 125°C) support demanding applications.

Q9: What is the input bias current difference between substitute parts?

A: Input bias current varies significantly across substitute parts. The LMV118MFX and LMV118MFX/NOPB specify 400 nA. The ADA4805-1ARJZ-R2 and ADA4805-1ARJZ-R7 specify 470 nA. The AD8027ARTZ-R2 and AD8027ARTZ-REEL7 specify 4 µA (4000 nA). Applications sensitive to input bias current effects, such as high-impedance transimpedance amplifiers or precision instrumentation, should prioritize LMV118MFX/NOPB or ADA4805 variants. AD8027 parts are suitable for general-purpose applications where input bias current is not a limiting factor.

Q10: Can substitute parts be used in designs operating at the temperature extremes (-40°C and 85°C)?

A: Yes. All substitute parts maintain operation across the -40°C to 85°C range specified for the LMV118MFX. The AD8027 and ADA4805 variants extend maximum operating temperature to 125°C, providing additional thermal margin for high-temperature applications. The LMV118MFX/NOPB maintains the original -40°C to 85°C specification. Applications requiring operation above 85°C should select AD8027 or ADA4805 alternatives.