AD8092AR Equivalent & Substitute Parts

Part Overview

The AD8092AR is a voltage feedback amplifier manufactured by Analog Devices Inc., featuring two circuits in a rail-to-rail configuration housed in an 8-SOIC package. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity. The AD8092AR operates across a supply voltage range of 3V to 12V with a slew rate of 170V/µs and -3dB bandwidth of 110 MHz, making it suitable for general-purpose signal conditioning and amplification applications.

Substiute Parts

AD8092AR

Analog Devices Inc.In Stock: 6454AD8092AR Datasheet

Current PartRFQ

AD8092ARZ

Analog Devices Inc.In Stock: 1402AD8092ARZ Datasheet

DirectRFQ

ADA4891-2ARZ

Analog Devices Inc.In Stock: 2234ADA4891-2ARZ Datasheet

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HA9P5127-5ZX96

Renesas Electronics CorporationIn Stock: 2778HA9P5127-5ZX96 Datasheet

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LM2902DR2G

onsemiIn Stock: 205187LM2902DR2G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD8092AR is determined by compatibility across the following critical parameters: amplifier topology (voltage feedback vs. CMOS vs. general purpose), number of circuits, output type (rail-to-rail capability), slew rate, bandwidth characteristics, supply voltage range, input bias current, and package form factor.

Direct Equivalent: The AD8092ARZ represents a direct functional equivalent with identical electrical specifications and the same 8-SOIC package. The primary distinction is product status (active vs. obsolete) and packaging format (tube vs. standard).

Similar Substitutes: The ADA4891-2ARZ, HA9P5127-5ZX96, and LM2902DR2G are classified as similar substitutes due to variations in amplifier type, circuit count, bandwidth, or package configuration. These parts share common application domains but exhibit measurable differences in key electrical parameters that must be evaluated against specific circuit requirements.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: AD8092ARZ

The AD8092ARZ is the direct functional equivalent of the AD8092AR, providing identical electrical performance across all specified parameters. This part maintains the same voltage feedback amplifier topology, dual-circuit configuration, rail-to-rail output capability, and 8-SOIC package footprint. The AD8092ARZ is currently in active production status with ROHS3 compliance and REACH unaffected certification, ensuring long-term availability and regulatory compliance. Selection of AD8092ARZ eliminates design re-qualification requirements and maintains full backward compatibility with existing PCB layouts and circuit designs.

Secondary Recommendation: ADA4891-2ARZ

The ADA4891-2ARZ is suitable for applications where CMOS amplifier topology is acceptable and higher output current capability (125 mA vs. 45 mA per channel) is beneficial. This part operates across a narrower supply voltage range (2.7V to 5.5V) compared to the AD8092AR (3V to 12V), requiring circuit design verification. The ADA4891-2ARZ exhibits superior slew rate (210V/µs vs. 170V/µs) and extended operating temperature range (-40°C to 125°C vs. -40°C to 85°C). ROHS3 compliance and active product status support long-term procurement viability.

Tertiary Consideration: HA9P5127-5ZX96 and LM2902DR2G

The HA9P5127-5ZX96 and LM2902DR2G are general-purpose amplifiers with significant parameter deviations from the AD8092AR, including reduced bandwidth, lower slew rate, and different circuit counts. These parts are suitable only for applications with relaxed bandwidth and slew rate requirements. The HA9P5127-5ZX96 requires supply voltages between 10V and 30V, incompatible with the AD8092AR's 3V to 12V range. The LM2902DR2G is packaged in 14-SOIC format, requiring PCB layout modification. Both parts maintain active status and regulatory compliance but are not recommended as primary substitutes due to substantial electrical parameter differences.

Frequently Asked Questions (FAQ)

Q: Can AD8092ARZ be used as a direct replacement for AD8092AR?

A: Yes. The AD8092ARZ provides identical electrical specifications and package configuration. The primary differences are product status (active vs. obsolete) and packaging format (tube vs. standard). No circuit design modifications are required.

Q: What are the key differences between AD8092AR and ADA4891-2ARZ?

A: The ADA4891-2ARZ uses CMOS amplifier topology versus the voltage feedback topology of AD8092AR. The ADA4891-2ARZ offers higher output current (125 mA vs. 45 mA per channel) and faster slew rate (210V/µs vs. 170V/µs), but operates across a narrower supply voltage range (2.7V to 5.5V vs. 3V to 12V). Circuit design verification is required before substitution.

Q: Is the HA9P5127-5ZX96 compatible with AD8092AR applications?

A: The HA9P5127-5ZX96 is a general-purpose amplifier with significantly reduced bandwidth (no -3dB bandwidth specified), lower slew rate (10V/µs vs. 170V/µs), and single-circuit configuration versus dual circuits. Additionally, it requires supply voltages between 10V and 30V, outside the AD8092AR's 3V to 12V range. This part is suitable only for low-bandwidth applications with different supply requirements.

Q: Why is the LM2902DR2G listed as a substitute if it has different specifications?

A: The LM2902DR2G is included as a similar substitute for applications where general-purpose amplification is acceptable and the four-circuit configuration provides design flexibility. However, the 14-SOIC package requires PCB layout modification, and the 1 MHz gain bandwidth product is substantially lower than the AD8092AR's 110 MHz bandwidth. Direct substitution without circuit re-evaluation is not recommended.

Q: What is the significance of product status (Active vs. Obsolete)?

A: Product status indicates manufacturing availability and long-term supply viability. Obsolete parts (AD8092AR) are no longer manufactured and existing inventory is finite. Active parts (AD8092ARZ, ADA4891-2ARZ, HA9P5127-5ZX96, LM2902DR2G) are currently produced and support ongoing procurement requirements. Selection of active parts ensures design sustainability.

Q: Are all substitute parts ROHS3 compliant?

A: The AD8092ARZ, ADA4891-2ARZ, HA9P5127-5ZX96, and LM2902DR2G are all ROHS3 compliant. The original AD8092AR does not specify RoHS status. All substitute parts are REACH unaffected, supporting regulatory compliance across global markets.

Q: Does package form factor affect substitution decisions?

A: Yes. The AD8092AR, AD8092ARZ, ADA4891-2ARZ, and HA9P5127-5ZX96 are all packaged in 8-SOIC format with identical footprints, enabling direct PCB placement without layout modification. The LM2902DR2G uses 14-SOIC packaging, requiring PCB redesign and cannot be used as a direct drop-in replacement.

Q: What supply voltage range considerations apply to substitution?

A: The AD8092AR operates across 3V to 12V. The AD8092ARZ maintains this range. The ADA4891-2ARZ operates across 2.7V to 5.5V, requiring circuit verification if the design uses supply voltages above 5.5V. The HA9P5127-5ZX96 requires 10V to 30V, incompatible with lower-voltage designs. The LM2902DR2G supports 3V to 32V, providing broader flexibility but with reduced bandwidth performance.