MAX992ESA-T Equivalent & Substitute Parts

Part Overview

The MAX992ESA-T is a dual-channel general-purpose comparator manufactured by Analog Devices Inc./Maxim Integrated, featuring CMOS open-drain output with rail-to-rail input capability and TTL compatibility. The device operates across a supply voltage range of 2.5V to 5.5V (single supply) or ±1.25V to ±2.75V (dual supply), making it suitable for precision signal comparison applications in industrial and consumer electronics.

The MAX992ESA-T is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications currently utilizing this comparator.

Substiute Parts

MAX992ESA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 7160MAX992ESA-T Datasheet

Current PartRFQ

MAX992ESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 2274MAX992ESA+T Datasheet

Parametric EquivalentRFQ

ALD2303ASAL

Advanced Linear Devices Inc.In Stock: 980ALD2303ASAL Datasheet

MFR RecommendedRFQ

ALD2303SAL

Advanced Linear Devices Inc.In Stock: 1109ALD2303SAL Datasheet

MFR RecommendedRFQ

HA1631D03MMEL-E

Renesas Electronics CorporationIn Stock: 853HA1631D03MMEL-E Datasheet

MFR RecommendedRFQ

HA1631D03TEL-E

Renesas Electronics CorporationIn Stock: 4429HA1631D03TEL-E Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MAX992ESA-T are classified based on strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Dual-channel comparator architecture (Number of Elements: 2)
• General-purpose comparator type
• Open-drain output capability
• 8-pin surface-mount package (8-SOIC or compatible 8-pin variants)
• Operating temperature range: -40°C to 85°C
• Supply voltage compatibility: 2.5V minimum to 5.5V maximum (single supply)
• Input offset voltage: 5mV or lower
• Input bias current: 1pA or lower
• CMRR and PSRR: 80dB or higher
• RoHS3 compliance and MSL Level 1

Substitute Categories:

1. Direct Parametric Equivalent (Packaging Variant): MAX992ESA+T differs only in packaging format (Tape & Reel vs. tube), maintaining identical electrical specifications and active product status.

2. Functional Equivalents with Extended Supply Range: ALD2303ASAL and ALD2303SAL (Advanced Linear Devices Inc.) provide dual-channel general-purpose comparator functionality with extended supply voltage range (3V ~ 10V, ±1.5V ~ 5V) and improved input offset voltage (1mV and 4mV respectively). These devices maintain 8-SOIC package compatibility and active product status.

3. Cross-Manufacturer Equivalents with Package Variation: HA1631D03MMEL-E and HA1631D03TEL-E (Renesas Electronics Corporation) provide dual-channel comparator functionality with supply voltage range of 1.8V ~ 5.5V, matching the lower supply limit of the original device. These devices feature 8-TSSOP or 8-MSOP packages and active product status.

Parameter Comparison

Engineering Selection Recommendations

MAX992ESA+T is the primary recommended substitute. This part maintains identical electrical specifications and package dimensions to the MAX992ESA-T while offering active product status from the same manufacturer. The only difference is packaging format (Tape & Reel), which does not affect electrical performance or PCB integration. This substitute ensures design continuity with minimal risk.

ALD2303ASAL and ALD2303SAL are suitable for applications where extended supply voltage range (up to 10V) is beneficial. Both devices maintain 8-SOIC package compatibility and active product status. ALD2303ASAL offers superior input offset voltage (1mV) compared to the original specification. However, the operating temperature range is limited to 0°C ~ 70°C, which may not be suitable for applications requiring the full -40°C ~ 85°C range of the original device.

HA1631D03MMEL-E and HA1631D03TEL-E provide dual-channel comparator functionality with active product status and extended lower supply voltage limit (1.8V). These Renesas devices feature reduced quiescent current (20µA) and maintain CMRR/PSRR specifications matching the original device. Package variants (8-TSSOP or 8-MSOP) differ from the original 8-SOIC, requiring PCB layout modifications. These substitutes are appropriate for applications where package footprint changes are acceptable and lower supply voltage operation is required.

All substitute parts maintain RoHS3 compliance and MSL Level 1 rating, ensuring regulatory and environmental compatibility with the original device.

Frequently Asked Questions (FAQ)

Q: Can MAX992ESA+T be used as a direct replacement for MAX992ESA-T?

A: Yes. MAX992ESA+T is a direct electrical equivalent with identical specifications. The only difference is packaging format (Tape & Reel vs. tube). Both devices are 8-SOIC surface-mount packages with identical pin configurations and electrical performance. No circuit modifications are required.

Q: What are the key differences between the ALD2303 series and the original MAX992ESA-T?

A: The ALD2303ASAL and ALD2303SAL offer extended supply voltage range (3V ~ 10V vs. 2.5V ~ 5.5V) and lower input offset voltage (1mV and 4mV respectively vs. 5mV). However, the operating temperature range is restricted to 0°C ~ 70°C, which is narrower than the original -40°C ~ 85°C specification. These devices are suitable for applications operating within the 0°C ~ 70°C temperature window where extended supply voltage is beneficial.

Q: Are the Renesas HA1631 devices pin-compatible with the MAX992ESA-T?

A: The HA1631D03MMEL-E and HA1631D03TEL-E are functionally equivalent dual-channel comparators but use different package variants (8-TSSOP or 8-MSOP) compared to the original 8-SOIC package. While pin count is identical (8 pins), the physical footprint differs, requiring PCB layout modifications. Pin-to-pin compatibility must be verified against specific application schematics.

Q: Which substitute part should I select for a new design?

A: For new designs, MAX992ESA+T is recommended as the primary choice due to active product status, identical electrical specifications, and standard 8-SOIC packaging. If extended supply voltage range is required, ALD2303ASAL or ALD2303SAL are suitable alternatives, provided the operating temperature range of 0°C ~ 70°C meets application requirements. For applications requiring lower supply voltage operation (down to 1.8V), the Renesas HA1631 series offers active product status with the trade-off of package footprint changes.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (MAX992ESA+T, ALD2303ASAL, ALD2303SAL, HA1631D03MMEL-E, and HA1631D03TEL-E) are ROHS3 compliant with MSL Level 1 rating, ensuring regulatory compliance and environmental compatibility with the original MAX992ESA-T device.

Q: What is the impact of package changes on PCB assembly?

A: The MAX992ESA+T maintains identical 8-SOIC packaging, requiring no PCB modifications. The ALD2303 series also uses 8-SOIC packaging with identical footprint. The Renesas HA1631 devices use 8-TSSOP or 8-MSOP packages with different physical dimensions, requiring PCB layout redesign and assembly process adjustments. Consult PCB design guidelines and assembly specifications for the selected package variant.

Q: Can I use ALD2303 devices in applications requiring -40°C operation?

A: No. The ALD2303ASAL and ALD2303SAL are rated for 0°C ~ 70°C operating temperature range. Applications requiring operation at -40°C must use MAX992ESA+T or the Renesas HA1631 series, both of which support the full -40°C ~ 85°C temperature range.