MAX976EUA-T Equivalent & Substitute Parts

Part Overview

The MAX976EUA-T is a dual-channel general-purpose comparator manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-uMAX/uSOP surface-mount package. This device features push-pull, rail-to-rail output architecture with a supply voltage range of 2.7V to 5.5V, making it suitable for low-voltage analog signal comparison applications.

The MAX976EUA-T is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems currently utilizing this comparator.

Key Parameters

Parameter	Value
Manufacturer	Analog Devices Inc./Maxim Integrated
Part Number	MAX976EUA-T
Category	Linear - Comparator
Type	General Purpose
Number of Elements	2
Output Type	Push-Pull, Rail-to-Rail
Supply Voltage Range	2.7V ~ 5.5V
Input Offset Voltage (Max)	2mV @ 5V
Input Bias Current (Max)	0.075µA @ 5.5V
Quiescent Current (Max)	650µA
CMRR / PSRR (Typ)	95dB CMRR, 100dB PSRR
Propagation Delay (Max)	28ns
Hysteresis	5mV
Operating Temperature	-40°C ~ 85°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MAX976EUA-T is determined by the following critical parameters:

Primary Substitution Criteria:

Dual-channel comparator architecture (2 elements)
Push-pull or rail-to-rail output capability
Supply voltage range compatibility with 2.7V ~ 5.5V operation
Surface-mount package compatibility (8-pin configurations)
General-purpose comparator classification

Secondary Compatibility Factors:

Input offset voltage performance (lower values preferred)
Input bias current specifications
Quiescent current consumption
Common-mode and power-supply rejection ratios
Propagation delay characteristics
Operating temperature range overlap with -40°C ~ 85°C minimum

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications with different packaging) and manufacturer-recommended alternatives (functionally compatible with acceptable parameter variations within application tolerances).

Parameter Comparison

Parameter	MAX976EUA-T	MAX976EUA+T	ALD2302ASAL	ALD2332BSAL	TLV3492AID	TLV3492AIDCNT	TLV3502AQDCNRQ1	TLV3702ID	TLV3702IDGK	TLV3702IP
Manufacturer	Analog Devices	Analog Devices	Advanced Linear Devices	Advanced Linear Devices	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Number of Elements	2	2	2	2	2	2	2	2	2	2
Output Type	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	CMOS, NMOS, Push-Pull, TTL	CMOS, NMOS, Push-Pull, TTL	CMOS, Push-Pull, Rail-to-Rail	CMOS, Push-Pull, Rail-to-Rail	CMOS, Push-Pull, Rail-to-Rail, TTL	CMOS, Push-Pull, Rail-to-Rail	CMOS, Push-Pull, Rail-to-Rail	CMOS, Push-Pull, Rail-to-Rail
Supply Voltage Range	2.7V ~ 5.5V	2.7V ~ 5.5V	4V ~ 10V, ±2V ~ 5V	4V ~ 10V, ±2V ~ 5V	1.8V ~ 5.5V	1.8V ~ 5.5V	2.7V ~ 5.5V, ±1.35V ~ 2.75V	2.7V ~ 16V, ±1.35V ~ 8V	2.7V ~ 16V, ±1.35V ~ 8V	2.7V ~ 16V, ±1.35V ~ 8V
Input Offset Voltage (Max)	2mV @ 5V	2mV @ 5V	1mV @ 5V	1mV @ 5V	15mV @ 5.5V	15mV @ 5.5V	6.5mV @ 5.5V	5mV @ 15V	5mV @ 15V	5mV @ 15V
Input Bias Current (Max)	0.075µA @ 5.5V	0.075µA @ 5.5V	0.001µA @ 5V	20pA @ 5V	10pA @ 5.5V	10pA @ 5.5V	10pA @ 5.5V	250pA @ 15V	250pA @ 15V	250pA @ 15V
Quiescent Current (Max)	650µA	650µA	500µA	500µA	1.2µA	1.2µA	5mA	1µA	1µA	1µA
CMRR / PSRR (Typ)	95dB / 100dB	95dB / 100dB	Not specified	80dB / 75dB	74dB / 69.12dB	74dB / 69.12dB	70dB / 80dB	88dB / 105dB	88dB / 105dB	88dB / 105dB
Propagation Delay (Max)	28ns	28ns	Not specified	Not specified	14.6µs	14.6µs	10ns	Not specified	Not specified	Not specified
Hysteresis	5mV	5mV	Not specified	Not specified	Not specified	Not specified	6mV	Not specified	Not specified	Not specified
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-SOIC	8-SOIC	8-SOIC	SOT-23-8	SOT-23-8	8-SOIC	8-VSSOP	8-DIP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Through Hole
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Obsolete	Obsolete	Last Time Buy
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	1 (Unlimited)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	Not Applicable

Engineering Selection Recommendations

Tier 1 - Direct Parametric Equivalent: MAX976EUA+T is the primary substitute for MAX976EUA-T. This part maintains identical electrical specifications and package dimensions while offering active product status and improved supply availability. The only distinction is packaging format (Tape & Reel versus standard packaging), which does not affect functional performance.

Tier 2 - Functionally Compatible Substitutes (Surface Mount, Active Status):

TLV3502AQDCNRQ1 (Texas Instruments) provides the closest functional match among active alternatives. This part operates within the 2.7V ~ 5.5V supply range, delivers superior propagation delay performance (10ns versus 28ns), and includes automotive-grade qualification (AEC-Q100). The SOT-23-8 package is pin-compatible with standard 8-pin comparator footprints. Quiescent current is elevated at 5mA, which may impact low-power applications.

TLV3702ID and TLV3702IDGK (Texas Instruments) offer extended supply voltage capability (2.7V ~ 16V) and superior PSRR performance (105dB). Both are classified as obsolete, limiting long-term availability. TLV3702IDGK uses an 8-VSSOP package compatible with the original MAX976EUA-T footprint.

TLV3492AID and TLV3492AIDCNT (Texas Instruments) support extended temperature range (-40°C ~ 125°C) and feature ultra-low quiescent current (1.2µA). Propagation delay is significantly longer (14.6µs), unsuitable for high-speed applications. TLV3492AIDCNT uses SOT-23-8 packaging.

ALD2302ASAL and ALD2332BSAL (Advanced Linear Devices) provide CMOS/TTL output compatibility and active product status. Operating temperature range is restricted to 0°C ~ 70°C, limiting use in extended-temperature applications. ALD2332BSAL offers improved CMRR/PSRR performance (80dB/75dB).

Tier 3 - Legacy/Limited Availability:

TLV3702IP (Texas Instruments) is a through-hole 8-DIP package variant classified as Last Time Buy. This option is suitable only for legacy board designs requiring through-hole mounting and is not recommended for new designs.

Compliance & Certification: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original MAX976EUA-T environmental certifications. TLV3502AQDCNRQ1 includes AEC-Q100 automotive qualification, providing additional reliability assurance for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can MAX976EUA+T be used as a direct replacement for MAX976EUA-T?

A: Yes. MAX976EUA+T is a parametric equivalent with identical electrical specifications, operating characteristics, and package dimensions. The difference is packaging format (Tape & Reel). No circuit modifications are required.

Q: What is the primary reason to substitute MAX976EUA-T?

A: MAX976EUA-T is classified as obsolete. Substitution is necessary to secure long-term supply availability and support ongoing production. MAX976EUA+T (active status) is the recommended direct replacement.

Q: Are there supply voltage compatibility concerns with substitute parts?

A: Most substitutes support the 2.7V ~ 5.5V range required by MAX976EUA-T. However, ALD2302ASAL and ALD2332BSAL specify 4V ~ 10V minimum, which may limit operation at 2.7V. Verify minimum supply voltage requirements for your specific application before selection.

Q: Which substitute offers the fastest propagation delay?

A: TLV3502AQDCNRQ1 delivers 10ns maximum propagation delay, compared to 28ns for MAX976EUA-T. This represents a 64% improvement in switching speed. TLV3492AID and TLV3492AIDCNT exhibit significantly longer delays (14.6µs) and are unsuitable for high-speed applications.

Q: What are the package compatibility considerations?

A: MAX976EUA-T uses 8-TSSOP/8-MSOP (0.118" width). Substitutes employ various 8-pin packages: 8-SOIC (0.154" width), SOT-23-8, 8-VSSOP, and 8-DIP. PCB footprint verification is required before substitution. TLV3702IDGK (8-VSSOP) and TLV3702IP (8-DIP) may require layout modifications.

Q: Which substitute is recommended for automotive applications?

A: TLV3502AQDCNRQ1 includes AEC-Q100 automotive qualification and operates across the extended temperature range (-40°C ~ 125°C). This part is suitable for automotive-grade designs requiring reliability certification.

Q: Are there quiescent current differences between substitutes?

A: Yes. MAX976EUA-T draws 650µA maximum. TLV3702ID, TLV3702IDGK, and TLV3702IP consume only 1µA, offering 650x lower quiescent current for battery-powered applications. Conversely, TLV3502AQDCNRQ1 draws 5mA, which is unsuitable for low-power designs.

Q: What is the operating temperature range limitation for ALD2302ASAL and ALD2332BSAL?

A: Both Advanced Linear Devices parts operate only from 0°C ~ 70°C, compared to MAX976EUA-T's -40°C ~ 85°C range. These substitutes cannot be used in applications requiring extended low-temperature operation below 0°C.

Q: Is TLV3702IP suitable for new designs?

A: No. TLV3702IP is classified as Last Time Buy and uses through-hole 8-DIP packaging. This option is reserved for legacy board designs only. New designs should select surface-mount alternatives such as MAX976EUA+T or TLV3502AQDCNRQ1.

Q: How do input offset voltage specifications compare?

A: MAX976EUA-T specifies 2mV @ 5V. ALD2302ASAL and ALD2332BSAL offer superior performance at 1mV @ 5V. TLV3502AQDCNRQ1 and TLV3702 series specify higher offsets (6.5mV and 5mV respectively). For precision applications requiring minimal offset, ALD series parts are preferred.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message