MAX4197ESA-T Equivalent & Substitute Parts

Part Overview

The MAX4197ESA-T is an instrumentation amplifier manufactured by Analog Devices Inc./Maxim Integrated, designed for precision signal conditioning applications. This single-circuit, rail-to-rail output amplifier operates across a 2.7V to 7.5V supply range with low input bias current and minimal input offset voltage. The device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain identical electrical performance characteristics and mechanical compatibility to ensure direct replacement capability in existing circuit designs.

Substiute Parts

MAX4197ESA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 986MAX4197ESA-T Datasheet

Current PartRFQ

MAX4197ESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 887MAX4197ESA+T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4197ESA-T is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must satisfy the following criteria:

Electrical Parameter Equivalence:

• Amplifier type: Instrumentation
• Number of circuits: 1
• Output type: Rail-to-Rail
• Slew rate: 0.06 V/µs
• -3dB bandwidth: 3.1 kHz
• Input bias current: 6 nA
• Input offset voltage: 100 µV
• Supply current: 93 µA
• Output current per channel: 4.5 mA
• Supply voltage range: 2.7V to 7.5V
• Operating temperature: -40°C to 85°C

Mechanical Parameter Equivalence:

• Package type: 8-SOIC (0.154", 3.90mm Width)
• Mounting type: Surface Mount
• Supplier device package: 8-SOIC

Compliance Equivalence:

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part MAX4197ESA+T meets all specified criteria and is therefore classified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The MAX4197ESA+T is the direct equivalent substitute for the MAX4197ESA-T. Both parts share identical electrical specifications, mechanical dimensions, and compliance certifications. The primary distinction is product status: the MAX4197ESA-T is classified as obsolete, while the MAX4197ESA+T maintains active status with Analog Devices Inc./Maxim Integrated.

The substitute part is suitable for direct replacement in all applications where the MAX4197ESA-T was originally specified. No circuit redesign or performance re-evaluation is required. Both parts are ROHS3 compliant and carry identical moisture sensitivity ratings, ensuring compatibility with standard PCB assembly processes.

The packaging format differs between the two parts: the main part is supplied in tube format, while the substitute is supplied in Tape & Reel (TR) format. This distinction affects procurement and assembly logistics but does not impact electrical or mechanical compatibility. Selection between these packaging formats depends on production volume and assembly equipment capabilities.

Frequently Asked Questions (FAQ)

Q: Can MAX4197ESA+T be used as a direct replacement for MAX4197ESA-T in existing designs?

A: Yes. The MAX4197ESA+T is electrically and mechanically identical to the MAX4197ESA-T across all specified parameters. No circuit modifications are required for direct substitution.

Q: What is the difference between MAX4197ESA-T and MAX4197ESA+T?

A: The parts are electrically identical. The primary differences are product status (obsolete vs. active) and packaging format (tube vs. Tape & Reel). The "+T" designation indicates Tape & Reel packaging, while the "-T" designation indicates tube packaging.

Q: Are both parts RoHS compliant?

A: Yes. Both MAX4197ESA-T and MAX4197ESA+T are ROHS3 compliant and carry identical moisture sensitivity ratings of MSL 1 (Unlimited).

Q: Does the packaging format affect circuit performance?

A: No. Packaging format (tube vs. Tape & Reel) affects only procurement and assembly logistics. Electrical and mechanical performance are identical regardless of packaging format.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 85°C. This range is identical for MAX4197ESA-T and MAX4197ESA+T.

Q: Can these parts be used in low-voltage applications?

A: Yes. Both parts support supply voltages as low as 2.7V, making them suitable for low-voltage instrumentation applications.

Q: What is the input bias current specification?

A: Both parts specify 6 nA input bias current, which is suitable for high-impedance signal sources.

Q: Is the 8-SOIC package footprint identical between both parts?

A: Yes. Both parts use the 8-SOIC package with 0.154" (3.90mm) width. PCB footprints are identical and interchangeable.