MAX932ESA-T Equivalent & Substitute Parts

Part Overview

The MAX932ESA-T is a dual comparator with integrated voltage reference manufactured by Analog Devices Inc./Maxim Integrated. This linear IC operates with CMOS and TTL output stages in an 8-SOIC surface mount package. The device is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. Substitute parts must maintain electrical compatibility across supply voltage ranges, output characteristics, and thermal operating conditions while meeting current component availability and compliance requirements.

Substiute Parts

MAX932ESA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 1174MAX932ESA-T Datasheet

Current PartRFQ

MAX932ESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 3970MAX932ESA+T Datasheet

DirectRFQ

LTC1842IS8#PBF

Analog Devices Inc.In Stock: 3078LTC1842IS8#PBF Datasheet

DirectRFQ

LTC1842IS8#TRPBF

Analog Devices Inc.In Stock: 8527LTC1842IS8#TRPBF Datasheet

DirectRFQ

LTC1842CS8#PBF

Analog Devices Inc.In Stock: 1261LTC1842CS8#PBF Datasheet

MFR RecommendedRFQ

LTC1842CS8#TRPBF

Analog Devices Inc.In Stock: 2401LTC1842CS8#TRPBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX932ESA-T is determined by the following critical parameters:

• Dual comparator architecture with integrated voltage reference
• Supply voltage compatibility: 2.5V ~ 11V single supply or ±1.25V ~ 5.5V dual supply
• Output stage type: CMOS/TTL or Open-Drain configurations
• Electrical specifications: Input offset voltage ≤10mV @ 5V, propagation delay ≤12µs, hysteresis 50mV
• Quiescent current: ≤6µA maximum
• Package format: 8-SOIC surface mount
• Operating temperature range: Support for -40°C ~ 85°C or 0°C ~ 70°C
• Compliance certifications: ROHS3 compliance and REACH unaffected status

Substitute parts are grouped into two categories: direct equivalents maintaining identical electrical and output characteristics, and functionally compatible alternatives with Open-Drain output stages that require external pull-up resistor configuration.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Substitute): MAX932ESA+T is the active production equivalent of MAX932ESA-T, maintaining identical electrical specifications, CMOS/TTL output configuration, and full -40°C ~ 85°C operating temperature range. This part is ROHS3 compliant with active product status and represents the direct replacement path for obsolete MAX932ESA-T applications.

Functionally Compatible Alternatives: LTC1842 series parts (LTC1842IS8#PBF, LTC1842IS8#TRPBF, LTC1842CS8#PBF, LTC1842CS8#TRPBF) provide electrical parameter equivalence with the following design considerations:

• Output stage is Open-Drain rather than CMOS/TTL, requiring external pull-up resistor implementation
• Quiescent current is marginally lower (5.7µA vs. 6µA maximum)
• LTC1842IS8 variants support full -40°C ~ 85°C temperature range
• LTC1842CS8 variants operate within 0°C ~ 70°C range, suitable for commercial temperature applications
• All LTC1842 variants are ROHS3 compliant with active product status
• Packaging options include Tube and Tape & Reel formats for different supply chain requirements

Temperature Range Consideration: Applications requiring -40°C ~ 85°C operation must use MAX932ESA+T or LTC1842IS8 variants. LTC1842CS8 parts are restricted to 0°C ~ 70°C and are not suitable for extended temperature range requirements.

Frequently Asked Questions (FAQ)

Q: Can LTC1842 series parts directly replace MAX932ESA-T without circuit modification? A: LTC1842 parts have Open-Drain output stages compared to the CMOS/TTL outputs of MAX932ESA-T. Direct substitution requires adding external pull-up resistors to the output pins. MAX932ESA+T provides true pin-compatible replacement without circuit changes.

Q: What is the difference between LTC1842IS8 and LTC1842CS8 variants? A: The primary difference is operating temperature range. LTC1842IS8 operates from -40°C ~ 85°C (industrial grade), while LTC1842CS8 operates from 0°C ~ 70°C (commercial grade). Select based on your application's thermal requirements.

Q: Are packaging format differences (Tube vs. Tape & Reel) electrically significant? A: No. Tube and Tape & Reel packaging formats contain identical die and electrical specifications. The difference is in supply chain handling and automated assembly compatibility. Tube packaging is suitable for manual assembly or lower-volume applications, while Tape & Reel format is optimized for high-volume automated pick-and-place operations.

Q: Why is MAX932ESA-T marked as obsolete? A: MAX932ESA-T has been superseded by MAX932ESA+T in the active product portfolio. The newer variant maintains full electrical and functional equivalence while offering improved availability and ongoing manufacturer support.

Q: What external pull-up resistor value should be used with LTC1842 Open-Drain outputs? A: Pull-up resistor selection depends on your specific circuit requirements, including output load impedance and switching speed. This parameter is not specified in the component data provided and must be determined through circuit analysis or reference to application-specific design guidelines.

Q: Are all substitute parts ROHS3 compliant? A: Yes. MAX932ESA+T and all LTC1842 variants are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.