MAX962ESA Equivalent & Substitute Parts

Part Overview

The MAX962ESA is a general-purpose dual comparator IC manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-SOIC package. This device operates across a 2.7V to 5.5V supply range and features CMOS/TTL output compatibility, making it suitable for precision voltage comparison applications. The MAX962ESA is classified as obsolete, necessitating identification of equivalent and substitute components for new designs or production continuity. Active alternatives with matching or superior electrical characteristics are available from multiple manufacturers.

Key Parameters

Parameter	MAX962ESA	Unit
Number of Elements	2	-
Output Type	CMOS, TTL	-
Voltage - Supply, Single/Dual (±)	2.7V ~ 5.5V	V
Voltage - Input Offset (Max)	1.5mV @ 5V	mV
Current - Input Bias (Max)	15µA @ 5V	µA
Current - Quiescent (Max)	9mA	mA
CMRR, PSRR (Typ)	80dB CMRR, 86.02dB PSRR	dB
Propagation Delay (Max)	7ns	ns
Hysteresis	4.6mV	mV
Operating Temperature	-40°C ~ 85°C	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	-
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the MAX962ESA is determined by the following critical parameters:

Primary Substitution Criteria:

Dual comparator configuration (2 elements)
CMOS/TTL output compatibility
Supply voltage range encompassing 2.7V ~ 5.5V
Input offset voltage ≤ 1.5mV @ 5V
Input bias current ≤ 15µA @ 5V
Quiescent current ≤ 9mA
Propagation delay ≤ 7ns
8-pin SOIC package footprint compatibility
Operating temperature range -40°C ~ 85°C
ROHS3 compliance

Direct Equivalent: MAX962ESA+ maintains identical electrical specifications with active product status and tube packaging.

Parametric Equivalents: Parts meeting all critical electrical parameters but with variations in element count, output type, supply voltage range, or propagation delay characteristics.

Manufacturer-Recommended Alternatives: Parts from Texas Instruments, Toshiba, and STMicroelectronics offering dual comparator functionality with compatible packaging and operating ranges, though with trade-offs in specific electrical characteristics.

Parameter Comparison

Part Number	Manufacturer	Elements	Output Type	Supply Voltage	Input Offset (Max)	Input Bias (Max)	Quiescent Current (Max)	Propagation Delay (Max)	Package	Status
MAX962ESA	Analog Devices	2	CMOS, TTL	2.7V ~ 5.5V	1.5mV @ 5V	15µA @ 5V	9mA	7ns	8-SOIC	Obsolete
MAX962ESA+	Analog Devices	2	CMOS, TTL	2.7V ~ 5.5V	1.5mV @ 5V	15µA @ 5V	9mA	7ns	8-SOIC	Active
MAX997ESA+	Analog Devices	1	CMOS, TTL	2.7V ~ 5.5V	1.5mV @ 5V	15µA @ 5V	6.5mA	7ns	8-SOIC	Active
LMV393M/NOPB	Texas Instruments	2	CMOS, Open-Collector, TTL	2.7V ~ 5.5V	7mV @ 5V	0.25µA @ 5V	300µA	600ns	8-SOIC	Active
TC75W57FU,LF	Toshiba	2	Push-Pull	1.8V ~ 7V, ±0.9V ~ 4.6V	7mV @ 5V	1pA @ 5V	400µA	140ns	8-SSOP	Active
TLC3702CPSR	Texas Instruments	2	CMOS, Push-Pull, TTL	3V ~ 16V	5mV @ 10V	5pA @ 5V	50µA	4.5µs	8-SOIC	Last Time Buy
TLC3702CPW	Texas Instruments	2	CMOS, Push-Pull, TTL	3V ~ 16V	5mV @ 10V	5pA @ 5V	50µA	4.5µs	8-TSSOP	Obsolete
TLC3702IDR	Texas Instruments	2	CMOS, Push-Pull, TTL	3V ~ 16V	5mV @ 10V	5pA @ 5V	65µA	4.5µs	8-SOIC	Active
TLC3702MDR	Texas Instruments	2	CMOS, Push-Pull, TTL	4V ~ 16V	5mV @ 10V	5pA @ 5V	90µA	4.5µs	8-SOIC	Active
TLV7256IDDUR	Texas Instruments	2	CMOS, Push-Pull, TTL	1.8V ~ 5V	7mV @ 5V	4pA @ 5V	70µA	680ns	8-VSSOP	Active
TS3702CDT	STMicroelectronics	2	CMOS, Push-Pull	2.7V ~ 16V, ±1.35V ~ 8V	5mV @ 10V	1pA @ 5V	25µA	-	8-SOIC	Active

Engineering Selection Recommendations

Direct Replacement (Recommended for Obsolescence Mitigation): MAX962ESA+ is the primary substitute, offering identical electrical specifications with active product status and ROHS3 compliance. This part maintains full pin and functional compatibility with the obsolete MAX962ESA.

Active Alternatives with Matching Package (8-SOIC): TLC3702IDR and TLC3702MDR from Texas Instruments provide dual comparator functionality in 8-SOIC packaging with active product status. Both are ROHS3 compliant. TLC3702IDR operates across -40°C to 85°C, matching the original temperature range. TLC3702MDR extends operation to -55°C to 125°C for extended temperature applications. Both exhibit higher propagation delay (4.5µs) compared to the MAX962ESA (7ns), requiring circuit timing evaluation.

Compact Package Alternative (8-VSSOP): TLV7256IDDUR from Texas Instruments offers reduced package footprint (0.091" width) with active status and ROHS3 compliance. Supply voltage range extends to 1.8V minimum, supporting low-power applications. Propagation delay of 680ns represents a middle ground between the MAX962ESA and TLC3702 series.

Dual Supply Capability: TS3702CDT from STMicroelectronics supports both single supply (2.7V ~ 16V) and dual supply (±1.35V ~ 8V) configurations, providing design flexibility. This part is ROHS3 compliant and active, with exceptionally low quiescent current (25µA).

All recommended substitutes maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can MAX962ESA+ be used as a direct replacement for MAX962ESA? A: Yes. MAX962ESA+ is electrically and functionally identical to MAX962ESA, with the same pin configuration, electrical specifications, and 8-SOIC package. The primary difference is product status (Active vs. Obsolete) and packaging format (Tube). This is the recommended substitute for obsolescence mitigation.

Q: What is the key difference between MAX962ESA and MAX997ESA+? A: MAX997ESA+ contains a single comparator element versus the dual elements in MAX962ESA. All other electrical parameters are identical. MAX997ESA+ is suitable only for applications requiring single comparator functionality.

Q: Why do TLC3702 variants show significantly higher propagation delay than MAX962ESA? A: TLC3702 series comparators are specified with 4.5µs propagation delay, approximately 640 times slower than the MAX962ESA (7ns). This reflects different internal circuit architecture and design optimization. Circuit timing analysis is required before substitution in speed-critical applications.

Q: Can TLC3702IDR and TLC3702MDR be used interchangeably? A: Both parts are electrically identical except for operating temperature range and quiescent current specifications. TLC3702IDR operates -40°C to 85°C with 65µA maximum quiescent current. TLC3702MDR operates -55°C to 125°C with 90µA maximum quiescent current. Selection depends on application temperature requirements.

Q: What is the advantage of TLV7256IDDUR over other substitutes? A: TLV7256IDDUR offers the lowest minimum supply voltage (1.8V) among active alternatives, enabling operation in low-power and battery-powered applications. The 8-VSSOP package provides significant board space reduction compared to 8-SOIC variants, though PCB layout modifications are required.

Q: Is TS3702CDT compatible with dual supply applications? A: Yes. TS3702CDT supports both single supply (2.7V ~ 16V) and dual supply (±1.35V ~ 8V) configurations. This flexibility allows use in applications requiring bipolar supply rails without additional circuit modifications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity ratings, meeting standard manufacturing and environmental requirements.

Q: What packaging options are available for MAX962ESA substitutes? A: Substitutes are available in 8-SOIC (0.154" width), 8-TSSOP (0.173" width), 8-SSOP (0.110" width), and 8-VSSOP (0.091" width) packages. 8-SOIC variants provide direct footprint compatibility with the original MAX962ESA. Smaller packages require PCB redesign.

Q: Which substitute offers the lowest quiescent current? A: TS3702CDT from STMicroelectronics specifies 25µA maximum quiescent current, the lowest among all listed alternatives. This characteristic is advantageous for battery-powered and low-power standby applications.

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