AD8014ART-REEL7 Equivalent & Substitute Parts

Part Overview

The AD8014ART-REEL7 is a current feedback amplifier integrated circuit manufactured by Analog Devices Inc., housed in a SOT-23-5 surface mount package. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity. The part delivers high-speed amplification with a slew rate of 4600V/µs and -3dB bandwidth of 480 MHz, suitable for applications requiring wideband signal processing.

Substiute Parts

AD8014ART-REEL7

Analog Devices Inc.In Stock: 34088AD8014ART-REEL7 Datasheet

Current PartRFQ

AD8014ARTZ-REEL7

Analog Devices Inc.In Stock: 3506AD8014ARTZ-REEL7 Datasheet

DirectRFQ

LMH6714MFX/NOPB

National SemiconductorIn Stock: 2218LMH6714MFX/NOPB Datasheet

SimilarRFQ

MAX4105EUK+T

Analog Devices Inc./Maxim IntegratedIn Stock: 3999MAX4105EUK+T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD8014ART-REEL7 is determined by electrical and mechanical compatibility across the following critical parameters:

Mechanical Compatibility: All substitute parts must utilize the SOT-23-5 surface mount package to ensure direct PCB footprint compatibility without layout modifications.

Electrical Compatibility: Substitute parts must operate within the supply voltage range of 4.5V to 12V and maintain operating temperature specifications of -40°C to 85°C. The amplifier type, number of circuits (single circuit), and output current capability (minimum 50 mA per channel) establish the functional baseline for substitution.

Performance Parameters: Slew rate and -3dB bandwidth define the frequency response and transient performance envelope. Substitute parts with equivalent or superior performance in these parameters maintain functional compatibility. Input bias current and input offset voltage specifications determine signal integrity characteristics.

Substitutes are grouped into two categories:

Direct Equivalent: AD8014ARTZ-REEL7 maintains identical electrical specifications and current feedback topology, differing only in product status (Active versus Obsolete) and packaging format (Digi-Reel versus standard reel).

Functional Alternatives: LMH6714MFX/NOPB and MAX4105EUK+T provide alternative amplifier topologies (current feedback and voltage feedback respectively) with comparable performance metrics within the SOT-23-5 package, suitable for applications where topology flexibility exists.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: AD8014ARTZ-REEL7

The AD8014ARTZ-REEL7 is the direct equivalent substitute for the obsolete AD8014ART-REEL7. This part maintains identical electrical specifications, current feedback topology, and performance characteristics. The AD8014ARTZ-REEL7 carries Active product status, ensuring ongoing availability and manufacturing support. The part is ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements. Packaging format differs (Digi-Reel versus standard reel), but electrical and mechanical compatibility is complete. This substitution requires no circuit redesign or validation.

Secondary Recommendation: LMH6714MFX/NOPB

The LMH6714MFX/NOPB provides functional substitution for applications where current feedback topology is required but performance envelope flexibility exists. This part maintains the SOT-23-5 package and single-circuit configuration. The -3dB bandwidth of 400 MHz and slew rate of 1800V/µs are lower than the primary part, reducing transient performance capability. Supply current consumption is elevated at 5.6 mA compared to 1.15 mA. Output current capability is superior at 70 mA. This part is Active status and suitable for applications with relaxed bandwidth requirements.

Tertiary Recommendation: MAX4105EUK+T

The MAX4105EUK+T represents a voltage feedback topology alternative within the SOT-23-5 package. This part is Active status, ROHS3 Compliant, and REACH Unaffected. The -3dB bandwidth of 410 MHz and slew rate of 1400V/µs are lower than the primary part. Supply current consumption is significantly elevated at 20 mA. Input offset voltage is superior at 1 mV. This substitution is applicable only to designs where voltage feedback topology is acceptable and where the elevated supply current does not present thermal or power budget constraints. Supply voltage range is narrower (7V to 11V) compared to the primary part (4.5V to 12V).

Frequently Asked Questions (FAQ)

Q: Can AD8014ARTZ-REEL7 be used as a direct replacement for AD8014ART-REEL7?

A: Yes. The AD8014ARTZ-REEL7 is electrically and mechanically identical to the AD8014ART-REEL7. Both parts feature identical slew rate (4600V/µs), bandwidth (480 MHz), supply current (1.15 mA), and output current (50 mA) specifications. The primary difference is product status (Active versus Obsolete) and packaging format. No circuit modifications are required.

Q: What is the key difference between current feedback and voltage feedback amplifier topologies?

A: Current feedback amplifiers, such as the AD8014ART-REEL7 and LMH6714MFX/NOPB, exhibit transimpedance characteristics and are optimized for high-speed, wideband applications. Voltage feedback amplifiers, such as the MAX4105EUK+T, employ conventional feedback networks and are optimized for gain accuracy and input impedance. Topology selection depends on application requirements for bandwidth, gain flatness, and input impedance characteristics.

Q: Is the LMH6714MFX/NOPB suitable for direct substitution?

A: The LMH6714MFX/NOPB maintains current feedback topology and SOT-23-5 packaging, enabling mechanical compatibility. However, electrical performance differs: slew rate is reduced to 1800V/µs (versus 4600V/µs), and -3dB bandwidth is reduced to 400 MHz (versus 480 MHz). Supply current consumption increases to 5.6 mA (versus 1.15 mA). This part is suitable for applications where these performance reductions are acceptable.

Q: What are the supply voltage constraints for each substitute?

A: The AD8014ART-REEL7 and AD8014ARTZ-REEL7 operate across 4.5V to 12V. The LMH6714MFX/NOPB operates across ±4V to ±6.25V (dual supply) or 8V to 12.5V (single supply). The MAX4105EUK+T operates across 7V to 11V. Designs operating at the lower end of the 4.5V to 12V range (below 7V) cannot use the MAX4105EUK+T without supply modification.

Q: Are all substitute parts RoHS and REACH compliant?

A: The AD8014ARTZ-REEL7 and MAX4105EUK+T are ROHS3 Compliant and REACH Unaffected. Compliance status for the LMH6714MFX/NOPB is not provided in the available specifications. Regulatory compliance verification is required for the LMH6714MFX/NOPB prior to design implementation.

Q: Can the MAX4105EUK+T be used in applications designed for current feedback amplifiers?

A: The MAX4105EUK+T employs voltage feedback topology, which differs fundamentally from current feedback topology. Circuit behavior, gain-bandwidth relationships, and feedback network design differ between topologies. Substitution is possible only if the application circuit is redesigned to accommodate voltage feedback characteristics. Direct pin-for-pin substitution without circuit modification is not recommended.

Q: What is the moisture sensitivity level for these parts?

A: The AD8014ART-REEL7, AD8014ARTZ-REEL7, and MAX4105EUK+T all carry MSL 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling. Standard component storage practices are sufficient.

Q: Do all parts share identical pin configurations?

A: All substitute parts utilize the SOT-23-5 package (SC-74A, SOT-753), which defines identical physical pin count and spacing. Pin-level functional compatibility must be verified against specific application schematics, as pin assignments may differ between current feedback and voltage feedback topologies.