AD8033AR Equivalent & Substitute Parts

Part Overview

The AD8033AR is a voltage feedback amplifier manufactured by Analog Devices Inc., designed for rail-to-rail operation in 8-SOIC surface mount packaging. This linear amplifier integrates a single circuit with high-speed performance characteristics suitable for signal conditioning and amplification applications across a 5V to 24V supply range.

The AD8033AR carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this amplifier topology.

Substiute Parts

AD8033AR

Analog Devices Inc.In Stock: 4237AD8033AR Datasheet

Current PartRFQ

AD8033ARZ

Analog Devices Inc.In Stock: 4293AD8033ARZ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD8033AR is determined by electrical and mechanical parameter equivalence within the voltage feedback amplifier category. The critical parameters governing substitution are:

Electrical Parameters:

• Amplifier topology (voltage feedback architecture)
• Single circuit configuration
• Rail-to-rail output capability
• Slew rate (80V/µs)
• Bandwidth (-3dB at 80 MHz)
• Input bias current (1.5 pA)
• Input offset voltage (1 mV)
• Supply current (3.3 mA)
• Output current per channel (60 mA)
• Supply voltage range (5V to 24V)
• Operating temperature range (-40°C to 85°C)

Mechanical Parameters:

• 8-SOIC surface mount package
• Package width (0.154", 3.90mm)
• Moisture sensitivity level (MSL 1)

Substitute parts must match all electrical specifications and maintain mechanical compatibility with the original 8-SOIC footprint. Packaging format differences (tube versus other formats) do not affect electrical substitution eligibility.

Parameter Comparison

Engineering Selection Recommendations

AD8033ARZ as Primary Substitute:

The AD8033ARZ is a direct electrical and mechanical equivalent to the AD8033AR. All specified electrical parameters, including slew rate, bandwidth, bias current, offset voltage, supply current, output current, supply voltage range, and operating temperature range, are identical. The 8-SOIC surface mount package dimensions and MSL rating match exactly.

The AD8033ARZ carries an active product status, ensuring ongoing availability and manufacturing support. The part is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components in industrial and commercial applications.

The primary distinction between the two parts is packaging format: the AD8033AR specification does not indicate packaging format, while the AD8033ARZ is supplied in tube packaging. This difference does not affect electrical performance or PCB-level compatibility.

For new designs or production requiring long-term supply assurance, the AD8033ARZ is the appropriate selection due to its active status and regulatory compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can the AD8033ARZ directly replace the AD8033AR in existing designs?

A: Yes. The AD8033ARZ is electrically and mechanically equivalent to the AD8033AR. All electrical parameters, including amplifier type, circuit count, output configuration, slew rate, bandwidth, bias current, offset voltage, supply current, output current, supply voltage range, and operating temperature range are identical. The 8-SOIC surface mount package footprint is identical, enabling direct PCB-level substitution without design modification.

Q: What is the significance of the AD8033AR being obsolete?

A: Obsolete status indicates that the AD8033AR is no longer in active production. The AD8033ARZ, which is electrically identical and carries active product status, is the recommended substitute for ongoing production and new designs. Active status ensures continued manufacturing availability and supply chain reliability.

Q: Are there packaging differences between the AD8033AR and AD8033ARZ?

A: The AD8033ARZ is supplied in tube packaging, while the AD8033AR packaging format is not specified in the provided data. Packaging format does not affect electrical performance or mechanical compatibility. Both parts use the 8-SOIC surface mount package with identical footprint dimensions (0.154" width, 3.90mm).

Q: Does the AD8033ARZ meet current regulatory requirements?

A: Yes. The AD8033ARZ is ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic components. The AD8033AR regulatory status is not specified in the provided data.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution eligibility is determined by matching voltage feedback amplifier topology, single circuit configuration, rail-to-rail output capability, 80V/µs slew rate, 80 MHz bandwidth, 1.5 pA input bias current, 1 mV input offset voltage, 3.3 mA supply current, 60 mA output current per channel, 5V to 24V supply voltage range, and -40°C to 85°C operating temperature range. The 8-SOIC surface mount package and MSL 1 rating must also match.

Q: Is the AD8033ARZ suitable for applications requiring the full -40°C to 85°C operating temperature range?

A: Yes. The AD8033ARZ maintains all electrical specifications across the full -40°C to 85°C operating temperature range, identical to the AD8033AR.