AD8051ARTZ-REEL Equivalent & Substitute Parts

Part Overview

The AD8051ARTZ-REEL is a voltage feedback operational amplifier manufactured by Analog Devices Inc., designed for single-circuit rail-to-rail applications in the SOT-23-5 package. This linear amplifier operates across a 3V to 12V supply range with a slew rate of 170V/µs and -3dB bandwidth of 110 MHz, making it suitable for general-purpose signal conditioning and amplification tasks. The part is Active in product status with RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Substitute parts are necessary when the primary part experiences supply constraints, when design requirements demand enhanced performance specifications, or when alternative sourcing from different manufacturers is required for supply chain resilience.

Substiute Parts

AD8051ARTZ-REEL

Analog Devices Inc.In Stock: 13346AD8051ARTZ-REEL Datasheet

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LMV116MF/NOPB

Texas InstrumentsIn Stock: 2340LMV116MF/NOPB Datasheet

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LMV116MFX/NOPB

Texas InstrumentsIn Stock: 39867LMV116MFX/NOPB Datasheet

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MAX4212EUK+T

Analog Devices Inc./Maxim IntegratedIn Stock: 15714MAX4212EUK+T Datasheet

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MAX4214EUK+T

Analog Devices Inc./Maxim IntegratedIn Stock: 2744MAX4214EUK+T Datasheet

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THS4221DBVR

Texas InstrumentsIn Stock: 6790THS4221DBVR Datasheet

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TSH80IYLT

STMicroelectronicsIn Stock: 65164TSH80IYLT Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD8051ARTZ-REEL is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Amplifier Type: Voltage Feedback (primary requirement for functional equivalence)
• Number of Circuits: 1 (single-channel configuration)
• Output Type: Rail-to-Rail (output swing capability)
• Package / Case: SC-74A, SOT-753 (physical and electrical footprint)
• Supplier Device Package: SOT-23-5 (pin configuration and lead spacing)
• Mounting Type: Surface Mount (assembly compatibility)

Performance Parameters Defining Substitution Scope:

• Slew Rate: 170V/µs (minimum acceptable rate for signal fidelity)
• -3dB Bandwidth: 110 MHz (frequency response specification)
• Voltage - Supply Span: 3V to 12V (operating voltage range)
• Operating Temperature: -40°C to 125°C (thermal operating window)

Substitute parts are grouped into two categories based on performance alignment:

Category A - Direct Voltage Feedback Substitutes: Parts maintaining voltage feedback topology with rail-to-rail output and SOT-23-5 packaging. These include MAX4212EUK+T, THS4221DBVR, and TSH80IYLT, which preserve the core amplifier architecture while offering varying performance enhancements.

Category B - Lower Performance Alternatives: Parts with reduced bandwidth and slew rate specifications (LMV116MF/NOPB and LMV116MFX/NOPB) suitable for applications where the full performance envelope of the AD8051ARTZ-REEL is not required.

Category C - Functional Variant: MAX4214EUK+T operates as a buffer amplifier rather than voltage feedback topology, suitable only for applications where buffer functionality is acceptable.

Parameter Comparison

Engineering Selection Recommendations

THS4221DBVR (Texas Instruments)

The THS4221DBVR is a voltage feedback amplifier with superior performance specifications compared to the AD8051ARTZ-REEL. It offers a slew rate of 990V/µs, -3dB bandwidth of 230 MHz, and output current capability of 100 mA. The supply voltage range extends to 15V maximum, providing broader operational flexibility. All parts maintain Active product status and ROHS3 compliance. The THS4221DBVR is suitable for applications requiring enhanced bandwidth and slew rate performance while maintaining the same SOT-23-5 footprint. Operating temperature range is -40°C to 85°C.

MAX4212EUK+T (Analog Devices Inc./Maxim Integrated)

The MAX4212EUK+T is a voltage feedback amplifier offering 600V/µs slew rate and 300 MHz bandwidth, representing a significant performance upgrade. Output current capability reaches 120 mA. The part operates across 3.15V to 11V supply range and maintains Active status with ROHS3 compliance. This substitute is appropriate for high-speed signal conditioning applications. Operating temperature range is -40°C to 85°C.

LMV116MFX/NOPB (Texas Instruments)

The LMV116MFX/NOPB is a voltage feedback amplifier with reduced performance specifications: 35V/µs slew rate and 45 MHz bandwidth. Supply current is significantly lower at 0.6 mA, and input bias current is 400 nA. This part is suitable for low-power applications where the full performance envelope of the AD8051ARTZ-REEL is not required. Inventory availability is 39,806 pieces. Operating temperature range is -40°C to 85°C. ROHS3 compliant and Active status.

LMV116MF/NOPB (Texas Instruments)

The LMV116MF/NOPB shares identical electrical specifications with the LMV116MFX/NOPB variant, offering 35V/µs slew rate and 45 MHz bandwidth with 0.6 mA supply current. This part is suitable for cost-optimized, low-power applications. Operating temperature range is -40°C to 85°C. ROHS3 compliant and Active status.

TSH80IYLT (STMicroelectronics)

The TSH80IYLT is a general-purpose amplifier with automotive qualification (AEC-Q100) and -40°C to 85°C operating temperature range. It provides 118V/µs slew rate and 100 MHz bandwidth with 55 mA output current capability. The minimum supply voltage is 4.5V, which is higher than the AD8051ARTZ-REEL. This part is suitable for automotive applications requiring AEC-Q100 qualification. ROHS3 compliant and Active status.

MAX4214EUK+T (Analog Devices Inc./Maxim Integrated)

The MAX4214EUK+T is a buffer amplifier rather than a voltage feedback topology. It provides 600V/µs slew rate and 230 MHz bandwidth with 120 mA output current. This part is suitable only for applications where buffer functionality is acceptable and the voltage feedback topology is not required. Operating temperature range is -40°C to 85°C. ROHS3 compliant and Active status.

Frequently Asked Questions (FAQ)

Q: Can the LMV116MF/NOPB directly replace the AD8051ARTZ-REEL in all applications?

A: The LMV116MF/NOPB shares the same package (SOT-23-5), voltage feedback topology, and rail-to-rail output configuration. However, it has reduced bandwidth (45 MHz versus 110 MHz) and slew rate (35V/µs versus 170V/µs). Direct replacement is possible only in applications where these lower performance specifications are acceptable. The operating temperature range is also reduced to -40°C to 85°C compared to -40°C to 125°C for the AD8051ARTZ-REEL.

Q: What is the primary difference between the THS4221DBVR and the AD8051ARTZ-REEL?

A: The THS4221DBVR offers significantly enhanced performance with 990V/µs slew rate (versus 170V/µs), 230 MHz bandwidth (versus 110 MHz), and 100 mA output current (versus 45 mA). Both maintain voltage feedback topology and rail-to-rail output in SOT-23-5 packaging. The THS4221DBVR is suitable for high-speed applications requiring superior transient response and bandwidth performance.

Q: Why does the MAX4214EUK+T have different functional characteristics?

A: The MAX4214EUK+T is classified as a buffer amplifier rather than a voltage feedback amplifier. While it shares the same SOT-23-5 package and rail-to-rail output configuration, its internal topology differs fundamentally. It is suitable only for applications where buffer functionality is required and voltage feedback amplification is not necessary.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of the AD8051ARTZ-REEL.

Q: What is the significance of the operating temperature range difference?

A: The AD8051ARTZ-REEL operates across -40°C to 125°C, while most substitute parts operate across -40°C to 85°C. Applications requiring operation above 85°C must use the AD8051ARTZ-REEL or verify that substitute parts are acceptable for the reduced temperature range.

Q: Can the TSH80IYLT be used in non-automotive applications?

A: Yes, the TSH80IYLT can be used in non-automotive applications. Its AEC-Q100 automotive qualification indicates enhanced reliability and testing standards, but the part is not restricted to automotive use. However, the minimum supply voltage of 4.5V (versus 3V for the AD8051ARTZ-REEL) must be verified for compatibility with the application's power supply specifications.

Q: What packaging options are available for these substitute parts?

A: All substitute parts are available in SOT-23-5 packaging with SC-74A, SOT-753 case designation, ensuring mechanical and electrical footprint compatibility with the AD8051ARTZ-REEL. Packaging options include Cut Tape (CT) and Digi-Reel® for most parts, with THS4221DBVR available in Tape & Reel (TR) format.

Q: How do input bias current specifications affect substitution decisions?

A: Input bias current ranges from 400 nA (LMV116 series) to 6 µA (TSH80IYLT) across the substitute parts, compared to 1.4 µA for the AD8051ARTZ-REEL. Lower input bias current reduces loading on the signal source and is beneficial for high-impedance input circuits. Higher input bias current may require source impedance compensation in sensitive applications.

Q: What is the significance of supply current differences among substitute parts?

A: Supply current ranges from 0.6 mA (LMV116 series) to 14 mA (THS4221DBVR). Lower supply current reduces power dissipation and is advantageous in battery-powered or thermally constrained applications. Higher supply current correlates with enhanced performance specifications and output drive capability.