MAX4077EUA-T Equivalent & Substitute Parts

Part Overview

The MAX4077EUA-T is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring dual circuits in an 8-uMAX/uSOP surface-mount package. This device delivers rail-to-rail output capability with low input bias current (1 pA) and operates across a 2.5 V to 5.5 V supply range, making it suitable for low-power analog signal conditioning applications.

The MAX4077EUA-T carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements. Active alternatives with compatible electrical and mechanical specifications are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	0.09	V/µs
Gain Bandwidth Product	230	kHz
Current - Input Bias	1	pA
Voltage - Input Offset	1.2	mV
Current - Supply (x2 Channels)	45	µA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 70	°C
Mounting Type	Surface Mount	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MAX4077EUA-T is determined by the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: General Purpose
Number of Circuits: 2
Output Type: Rail-to-Rail
Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 2.5 V, Maximum 5.5 V
Operating Temperature Range: -40°C to 70°C (minimum requirement)

Substitution Categories:

Category 1: Direct Equivalent (Same Product Status) MAX4077EUA+T is the active production variant of the MAX4077 base product. This part maintains identical electrical specifications and packaging, differing only in product status (Active vs. Obsolete).

Category 2: General-Purpose Amplifier Alternatives TLV2452CDGK, TLV2452CDGKR, TLV2452IDGK, and TLV2452IDGKR (Texas Instruments) are general-purpose dual operational amplifiers with rail-to-rail output in compatible 8-VSSOP packaging. These parts meet the core functional requirements and supply voltage specifications.

Category 3: High-Performance Alternatives LTC6269HMS8E-10#PBF, LTC6269HMS8E-10#TRPBF, LTC6269IMS8E-10#PBF, and LTC6269IMS8E-10#TRPBF (Analog Devices Inc.) are J-FET amplifiers offering enhanced performance characteristics. These parts exceed the electrical specifications of the MAX4077EUA-T in slew rate, gain bandwidth product, and input bias current, while maintaining compatible packaging and supply voltage ranges.

Category 4: CMOS Alternative TSV622IST (STMicroelectronics) is a CMOS dual operational amplifier with rail-to-rail output in 8-MiniSO packaging. This part provides enhanced performance and extended operating temperature range while maintaining supply voltage compatibility.

Parameter Comparison

Parameter	MAX4077EUA-T	MAX4077EUA+T	TLV2452CDGK	TLV2452CDGKR	TLV2452IDGK	TLV2452IDGKR	LTC6269HMS8E-10#PBF	LTC6269HMS8E-10#TRPBF	LTC6269IMS8E-10#PBF	LTC6269IMS8E-10#TRPBF	TSV622IST
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	J-FET	J-FET	J-FET	J-FET	CMOS
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	—	—	—	—	Rail-to-Rail
Slew Rate (V/µs)	0.09	0.09	0.11	0.11	0.11	0.11	1500	1500	1500	1500	0.14
Gain Bandwidth Product (kHz)	230	230	220	220	220	220	4000	4000	4000	4000	420
Current - Input Bias (pA)	1	1	500	500	500	500	0.003	0.003	0.003	0.003	1
Voltage - Input Offset (mV)	1.2	1.2	0.3	0.3	0.3	0.3	0.2	0.2	0.2	0.2	4
Current - Supply (µA, x2 Channels)	45	45	23	23	23	23	16.5	16.5	16.5	16.5	29
Current - Output / Channel (mA)	20	20	10	10	10	10	90	90	90	90	74
Voltage - Supply Span Min (V)	2.5	2.5	2.7	2.7	2.7	2.7	3.1	3.1	3.1	3.1	1.5
Voltage - Supply Span Max (V)	5.5	5.5	6	6	6	6	5.25	5.25	5.25	5.25	5.5
Operating Temperature (°C)	-40 to 70	-40 to 70	0 to 70	0 to 70	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 85	-40 to 85	-40 to 125
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP-EP	8-TSSOP, 8-MSOP-EP	8-TSSOP, 8-MSOP-EP	8-TSSOP, 8-MSOP-EP	8-TSSOP, 8-MiniSO
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): MAX4077EUA+T is the recommended first choice. This part is the active production equivalent of the MAX4077EUA-T, maintaining all electrical and mechanical specifications while offering Active product status and improved supply chain availability (3700 pcs in stock vs. 1092 pcs for the obsolete variant).

For General-Purpose Applications with Extended Temperature Range: TLV2452IDGK and TLV2452IDGKR (Texas Instruments) support operating temperatures from -40°C to 125°C, exceeding the MAX4077EUA-T specification of -40°C to 70°C. These parts maintain rail-to-rail output and compatible 8-VSSOP packaging. Supply voltage range is 2.7 V to 6 V, which encompasses the MAX4077EUA-T range. These alternatives are suitable for applications requiring extended temperature operation without performance enhancement requirements.

For High-Performance Applications: LTC6269HMS8E-10#PBF, LTC6269HMS8E-10#TRPBF, LTC6269IMS8E-10#PBF, and LTC6269IMS8E-10#TRPBF (Analog Devices Inc.) deliver significantly enhanced electrical performance: slew rate of 1500 V/µs (vs. 0.09 V/µs), gain bandwidth product of 4 GHz (vs. 230 kHz), and input bias current of 0.003 pA (vs. 1 pA). These J-FET amplifiers are suitable for applications requiring higher bandwidth, faster transient response, or lower input bias current. All variants maintain ROHS3 compliance and MSL 1 rating. Operating temperature ranges extend to -40°C to 125°C (HMS8E variants) or -40°C to 85°C (IMS8E variants).

For Ultra-Low Supply Voltage Applications: TSV622IST (STMicroelectronics) operates from 1.5 V minimum supply voltage, enabling single-cell battery applications. This CMOS amplifier provides rail-to-rail output, slew rate of 0.14 V/µs, and gain bandwidth product of 420 kHz. Operating temperature range extends to -40°C to 125°C. Output current capability is 74 mA per channel, exceeding the MAX4077EUA-T specification of 20 mA.

All substitute parts listed carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory requirements of the original device.

Frequently Asked Questions (FAQ)

Q1: Can MAX4077EUA+T be used as a direct replacement for MAX4077EUA-T?

A: Yes. MAX4077EUA+T is the active production variant of the MAX4077 base product. Both parts share identical electrical specifications, package type (8-uMAX/uSOP), and operating parameters. The only difference is product status: MAX4077EUA-T is Obsolete, while MAX4077EUA+T is Active. No circuit modifications are required.

Q2: What are the key differences between the MAX4077EUA-T and TLV2452 series?

A: Both are general-purpose dual operational amplifiers with rail-to-rail output in compatible 8-pin surface-mount packages. The TLV2452 series (Texas Instruments) offers lower supply current (23 µA vs. 45 µA), lower output current per channel (10 mA vs. 20 mA), and lower input offset voltage (300 µV vs. 1.2 mV). However, TLV2452CDGK and TLV2452CDGKR operate only from 0°C to 70°C, which is narrower than the MAX4077EUA-T range of -40°C to 70°C. TLV2452IDGK and TLV2452IDGKR extend to -40°C to 125°C.

Q3: Why would I choose LTC6269 variants over the MAX4077EUA-T?

A: LTC6269 variants are J-FET amplifiers designed for high-performance applications. They deliver 1500 V/µs slew rate (vs. 0.09 V/µs), 4 GHz gain bandwidth product (vs. 230 kHz), and 0.003 pA input bias current (vs. 1 pA). These specifications are essential for high-frequency signal conditioning, precision measurement, or applications requiring minimal input bias current effects. The trade-off is higher supply current (16.5 mA vs. 45 µA) and higher output current capability (90 mA vs. 20 mA).

Q4: Is TSV622IST compatible with the MAX4077EUA-T in terms of package and pinout?

A: TSV622IST uses 8-MiniSO packaging, which is mechanically compatible with 8-TSSOP and 8-MSOP footprints in terms of pin spacing (0.118", 3.00mm width). However, the physical package dimensions differ slightly. PCB layout verification is required to confirm mechanical fit. Electrically, TSV622IST is a CMOS amplifier with rail-to-rail output, dual circuits, and compatible supply voltage range (1.5 V to 5.5 V).

Q5: Can I use TLV2452CDGK in applications requiring -40°C operation?

A: No. TLV2452CDGK operates from 0°C to 70°C only. For applications requiring -40°C operation, use TLV2452IDGK or TLV2452IDGKR, which support -40°C to 125°C. Alternatively, use MAX4077EUA+T, LTC6269 variants, or TSV622IST, all of which support -40°C minimum operating temperature.

Q6: What is the difference between tube and tape & reel packaging for the same part number?

A: Tube packaging (indicated by absence of "R" suffix or explicit "Tube" designation) is used for manual handling and smaller quantities. Tape & Reel packaging (indicated by "R" suffix or "TR" designation) is used for automated assembly equipment and high-volume production. Electrical specifications are identical; packaging choice depends on manufacturing process requirements. Tape & Reel variants typically offer higher inventory availability.

Q7: Are all substitute parts RoHS3 compliant?

A: Yes. All parts listed in this reference—MAX4077EUA+T, TLV2452 series, LTC6269 variants, and TSV622IST—carry ROHS3 compliance certification. All are also MSL 1 (Unlimited) rated, indicating no moisture sensitivity restrictions during storage or handling.

Q8: Which substitute offers the lowest power consumption?

A: LTC6269 variants consume 16.5 mA total supply current (x2 channels), the lowest among all listed alternatives. TLV2452 series consumes 23 µA (x2 channels). MAX4077EUA-T and MAX4077EUA+T consume 45 µA (x2 channels). TSV622IST consumes 29 µA. For ultra-low-power applications, LTC6269 variants are optimal despite higher absolute current, as they deliver superior performance per unit power.

Q9: Can I substitute MAX4077EUA-T with TSV622IST in a 2.5 V supply application?

A: No. TSV622IST minimum supply voltage is 1.5 V, but this does not guarantee operation at 2.5 V with the same performance as MAX4077EUA-T. TSV622IST is specified for 1.5 V to 5.5 V operation, but performance characteristics may vary at the lower end of the range. For 2.5 V applications, MAX4077EUA+T, TLV2452 series, or LTC6269 variants are more appropriate, as they are explicitly specified for 2.5 V to 5.5 V (MAX4077) or 2.7 V to 6 V (TLV2452) or 3.1 V to 5.25 V (LTC6269).

Q10: What is the significance of the exposed pad (EP) designation on LTC6269 packages?

A: The exposed pad improves thermal dissipation by providing direct contact between the die and the PCB ground plane. This is beneficial for applications with higher power dissipation or thermal constraints. The electrical specifications remain identical to non-EP variants; the exposed pad is an optional thermal enhancement feature.

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