MAX4450EXK-T Equivalent & Substitute Parts

Part Overview

The MAX4450EXK-T is a general purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, housed in a 5-TSSOP (SC-70-5) surface mount package. This device features rail-to-rail output capability and is designed for single-circuit amplification applications requiring high slew rate and bandwidth performance.

The MAX4450EXK-T is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Substiute Parts

MAX4450EXK-T

Analog Devices Inc./Maxim IntegratedIn Stock: 1170MAX4450EXK-T Datasheet

Current PartRFQ

MAX4450EXK+T

Analog Devices Inc./Maxim IntegratedIn Stock: 4362MAX4450EXK+T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX4450EXK-T is determined by strict equivalence across the following critical parameters:

Electrical Performance Parameters:

• Slew Rate: 485 V/µs
• -3dB Bandwidth: 210 MHz
• Current - Input Bias: 6.5 µA
• Voltage - Input Offset: 4 mV
• Current - Supply: 6.5 mA
• Current - Output / Channel: 70 mA
• Voltage - Supply Span: 4.5 V to 11 V
• Operating Temperature Range: -40°C to 85°C

Physical & Mechanical Parameters:

• Package / Case: 5-TSSOP, SC-70-5, SOT-353
• Mounting Type: Surface Mount
• Number of Circuits: 1
• Output Type: Rail-to-Rail

The MAX4450EXK+T meets all electrical and mechanical equivalence criteria. Both devices share identical electrical specifications, package configuration, and operating characteristics. The primary distinction is product status and packaging format.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: MAX4450EXK+T

The MAX4450EXK+T is the direct equivalent substitute for the MAX4450EXK-T. All electrical parameters, operating characteristics, and package specifications are identical. The substitute part offers the following advantages:

Product Status: The MAX4450EXK+T maintains active product status with Analog Devices Inc./Maxim Integrated, ensuring ongoing availability and manufacturer support. The original MAX4450EXK-T is classified as obsolete, creating supply chain risk for new designs and production continuity.

Regulatory Compliance: The MAX4450EXK+T is ROHS3 compliant, meeting current environmental and regulatory requirements. The original part is RoHS non-compliant, which may present procurement restrictions in regulated markets and applications.

Packaging Format: The MAX4450EXK+T is supplied in Tape & Reel (TR) format, which is standard for automated assembly operations and high-volume production. The original part is supplied in tube format. Both formats contain the same component; the difference is in handling and storage configuration for manufacturing processes.

Inventory Availability: The MAX4450EXK+T has higher inventory availability (4264 pcs) compared to the original part (1099 pcs), supporting both immediate procurement and long-term supply chain planning.

Functional Equivalence: Both parts are manufactured by the same company and share the same base product number (MAX4450). The electrical specifications are identical across all measured parameters: slew rate, bandwidth, bias current, offset voltage, supply current, output current, supply voltage range, and operating temperature.

Frequently Asked Questions (FAQ)

Q: Can the MAX4450EXK+T be used as a direct replacement for the MAX4450EXK-T in existing designs?

A: Yes. The MAX4450EXK+T is electrically and mechanically identical to the MAX4450EXK-T. All electrical parameters, package configuration, and operating characteristics are equivalent. The component can be substituted without circuit modification or re-qualification.

Q: What is the difference between the MAX4450EXK-T and MAX4450EXK+T part numbers?

A: The primary differences are product status, packaging format, and regulatory compliance. The MAX4450EXK-T is obsolete and supplied in tube format with RoHS non-compliant status. The MAX4450EXK+T is active, supplied in Tape & Reel format, and ROHS3 compliant. Electrical specifications are identical.

Q: Is the SC-70-5 package compatible with standard surface mount assembly equipment?

A: Yes. The SC-70-5 package (5-TSSOP, SOT-353) is a standard surface mount package compatible with automated pick-and-place and reflow soldering equipment used in modern PCB assembly operations.

Q: Does the Tape & Reel packaging format affect component performance?

A: No. Tape & Reel is a packaging and handling format for manufacturing automation. It does not affect electrical performance, reliability, or functional characteristics of the component itself.

Q: Why is RoHS3 compliance important for the MAX4450EXK+T?

A: ROHS3 compliance ensures the component meets current environmental regulations and restrictions on hazardous substances. This is required for many applications, particularly in regulated industries and markets with environmental compliance mandates.

Q: Are there any thermal or electrical performance differences between these parts?

A: No. Both parts have identical thermal characteristics, electrical performance, and operating specifications across all measured parameters including slew rate, bandwidth, bias current, offset voltage, supply current, and output current.

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

A: Both the MAX4450EXK-T and MAX4450EXK+T have MSL 1 (Unlimited) rating, indicating minimal moisture sensitivity and no special storage or handling requirements beyond standard component handling practices.