MAX4376TASA Current Sense Amplifier Equivalent & Substitute Parts

Part Overview

The MAX4376TASA is a current sense amplifier integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This linear amplifier device is designed for single-circuit current sensing applications and operates across a wide supply voltage range of 3V to 28V. The part is classified as obsolete, which necessitates identification of active equivalent alternatives for new designs and ongoing production requirements. The MAX4376TASA is packaged in an 8-SOIC surface mount configuration with a width of 3.90mm.

Substiute Parts

MAX4376TASA

Analog Devices Inc./Maxim IntegratedIn Stock: 1081MAX4376TASA Datasheet

Current PartRFQ

MAX4376TASA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2211MAX4376TASA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX4376TASA is determined by strict equivalence across the following critical parameters:

Functional Parameters:

• Amplifier type: Current Sense
• Number of circuits: 1
• Slew rate: 10V/µs
• -3dB bandwidth: 2 MHz
• Input bias current: 800 µA
• Supply current: 1 mA

Electrical Parameters:

• Supply voltage range: 3V to 28V minimum and maximum
• Operating temperature range: -40°C to 125°C

Physical Parameters:

• Package type: 8-SOIC
• Package dimensions: 0.154" width (3.90mm)
• Mounting type: Surface Mount

Compliance Parameters:

• RoHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)

The substitute part must match all parameters listed above. Packaging format (tube versus alternative) does not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The MAX4376TASA+ is a direct electrical and mechanical equivalent of the MAX4376TASA. Both parts share identical functional specifications, electrical characteristics, and physical packaging. The primary distinction is product status: the MAX4376TASA is obsolete while the MAX4376TASA+ is active.

For applications currently using the MAX4376TASA, transition to the MAX4376TASA+ is supported by:

Compliance Alignment:

• Both parts maintain ROHS3 compliance
• Both parts carry identical moisture sensitivity level (MSL 1 - Unlimited)
• Both parts are manufactured by the same supplier (Analog Devices Inc./Maxim Integrated)

Electrical Equivalence:

• All functional parameters are identical
• Supply voltage operating range is identical (3V to 28V)
• Temperature operating range is identical (-40°C to 125°C)
• Signal processing characteristics (slew rate, bandwidth, bias current) are identical

Physical Compatibility:

• Identical 8-SOIC package dimensions (0.154" width, 3.90mm)
• Surface mount configuration is identical
• Pin configuration and footprint are compatible

The MAX4376TASA+ is suitable for direct replacement in existing designs without circuit modification or re-qualification.

Frequently Asked Questions (FAQ)

Q: Can the MAX4376TASA+ be used as a direct replacement for the MAX4376TASA in existing designs?

A: Yes. The MAX4376TASA+ is electrically and mechanically equivalent to the MAX4376TASA. All functional parameters, electrical specifications, operating ranges, and physical packaging are identical. No circuit modifications are required.

Q: What is the difference between MAX4376TASA and MAX4376TASA+?

A: The primary difference is product status. The MAX4376TASA is classified as obsolete, while the MAX4376TASA+ is active. The "+" designation in the MAX4376TASA+ indicates the active product variant. All electrical and mechanical specifications are identical.

Q: Are the packages physically compatible?

A: Yes. Both parts use the 8-SOIC package with identical dimensions (0.154" width, 3.90mm). The PCB footprint and pin layout are identical, enabling direct board-level substitution.

Q: What is the packaging difference between these parts?

A: The MAX4376TASA+ is supplied in tube packaging format. The original MAX4376TASA packaging format is not specified in the technical data. Packaging format does not affect electrical performance or mechanical compatibility.

Q: Are both parts RoHS compliant?

A: Yes. Both the MAX4376TASA and MAX4376TASA+ are ROHS3 compliant and carry identical moisture sensitivity level (MSL 1 - Unlimited).

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

A: Substitution compatibility is determined by matching: amplifier type (Current Sense), number of circuits (1), slew rate (10V/µs), -3dB bandwidth (2 MHz), input bias current (800 µA), supply current (1 mA), supply voltage range (3V to 28V), and operating temperature range (-40°C to 125°C).

Q: Can I use the MAX4376TASA+ in new designs?

A: Yes. The MAX4376TASA+ is an active product and is the recommended choice for new designs. It provides identical functionality to the obsolete MAX4376TASA with the advantage of ongoing manufacturer support and availability.