MAX4292EUA Equivalent & Substitute Parts

Part Overview

The MAX4292EUA is a general purpose operational amplifier featuring dual circuits in a compact 8-uMAX/uSOP surface mount package. This device provides rail-to-rail output capability with a supply voltage range of 1.8 V to 5.5 V and operates across the industrial temperature range of -40°C to 85°C. The MAX4292EUA is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility across key electrical parameters including supply voltage span, output type, circuit count, and package form factor.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	0.2	V/µs
Gain Bandwidth Product	500	kHz
Current - Input Bias	15	nA
Voltage - Input Offset	200	µV
Current - Supply (x2 Channels)	100	µA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 85	°C
Mounting Type	Surface Mount	—
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
RoHS Status	RoHS non-compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MAX4292EUA is determined by the following critical parameters:

Primary Compatibility Criteria:

Number of Circuits: 2 (dual amplifier configuration)
Output Type: Rail-to-Rail
Package Form Factor: 8-pin surface mount (8-TSSOP, 8-MSOP, or 8-VSSOP)
Supply Voltage Span: Minimum 1.8 V, Maximum ≥ 5.5 V
Operating Temperature Range: Minimum -40°C, Maximum ≥ 85°C
Mounting Type: Surface Mount

Secondary Compatibility Considerations:

Slew Rate: 0.2 V/µs or higher
Gain Bandwidth Product: 500 kHz or higher
Current - Input Bias: 15 nA or lower
Voltage - Input Offset: 200 µV or lower
Current - Supply: 100 µA (x2 Channels) or lower
Current - Output / Channel: 20 mA or higher

Substitute parts are grouped into the following categories based on amplifier type and electrical performance:

Group 1: Direct Packaging Equivalent MAX4292EUA+ maintains identical electrical specifications and package designation with improved product status (Active vs. Obsolete) and RoHS3 compliance.

Group 2: General Purpose Amplifiers (Texas Instruments) OPA2313IDGK and OPA2313IDGKR provide general purpose amplification with enhanced gain bandwidth product (1 MHz) and improved slew rate (0.5 V/µs) while maintaining rail-to-rail output and dual circuit configuration.

Group 3: CMOS Amplifiers AD8607ARMZ and OPA2314AIDGK offer CMOS technology with superior input bias current characteristics and enhanced gain bandwidth product, suitable for low-power applications requiring minimal input current.

Group 4: Zero-Drift Amplifiers ISL28233FUZ-T7 provides zero-drift technology with significantly reduced input offset voltage (2 µV) and lower supply current (18 µA x2 Channels), ideal for precision measurement applications.

Group 5: J-FET Amplifiers LTC6269HMS8E-10#PBF, LTC6269HMS8E-10#TRPBF, LTC6269IMS8E-10#PBF, and LTC6269IMS8E-10#TRPBF deliver J-FET input stage technology with extremely low input bias current (0.003 pA) and exceptional slew rate (1500 V/µs), suitable for high-speed and high-impedance applications.

Parameter Comparison

Parameter	MAX4292EUA	MAX4292EUA+	AD8607ARMZ	ISL28233FUZ-T7	LTC6269IMS8E-10#PBF	OPA2313IDGKR	OPA2314AIDGK
Amplifier Type	General Purpose	General Purpose	CMOS	Zero-Drift	J-FET	General Purpose	CMOS
Number of Circuits	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
Slew Rate (V/µs)	0.2	0.2	0.1	0.2	1500	0.5	1.5
Gain Bandwidth Product (kHz)	500	500	400	400	4000	1000	3000
Current - Input Bias (nA/pA)	15 nA	15 nA	0.2 pA	180 pA	0.003 pA	0.2 pA	0.2 pA
Voltage - Input Offset (µV)	200	200	12	2	200	500	500
Current - Supply (µA x2 Channels)	100	100	40	18	16.5	50	150
Current - Output / Channel (mA)	20	20	70	19	90	15	20
Voltage - Supply Span Min (V)	1.8	1.8	1.8	1.8	3.1	1.8	1.8
Voltage - Supply Span Max (V)	5.5	5.5	5	6	5.25	5.5	5.5
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 125	-40 to 125
Package / Case	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	8-TSSOP, 8-MSOP
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Replacement (Obsolete to Active Transition): MAX4292EUA+ is the primary recommendation for designs currently using MAX4292EUA. This part maintains identical electrical specifications and package designation while offering Active product status and RoHS3 compliance. The transition from Obsolete to Active status ensures long-term availability and supply chain continuity.

For Low-Power Applications: ISL28233FUZ-T7 and LTC6269IMS8E-10#PBF are recommended when supply current minimization is critical. ISL28233FUZ-T7 provides the lowest supply current (18 µA x2 Channels) with zero-drift technology, while LTC6269IMS8E-10#PBF offers ultra-low input bias current (0.003 pA) with J-FET input stage technology.

For General Purpose Applications with Enhanced Performance: OPA2313IDGKR provides improved gain bandwidth product (1 MHz) and slew rate (0.5 V/µs) compared to MAX4292EUA while maintaining general purpose amplifier characteristics. This part is suitable for applications requiring moderate performance enhancement with Active product status and RoHS3 compliance.

For High-Speed Applications: OPA2314AIDGK and LTC6269HMS8E-10#PBF deliver significantly enhanced slew rate and gain bandwidth product. OPA2314AIDGK provides 1.5 V/µs slew rate and 3 MHz gain bandwidth product, while LTC6269HMS8E-10#PBF offers 1500 V/µs slew rate and 4 GHz gain bandwidth product for ultra-high-speed signal processing.

For Precision Measurement Applications: ISL28233FUZ-T7 is recommended for applications requiring minimal input offset voltage (2 µV) and zero-drift characteristics. This part maintains rail-to-rail output capability and dual circuit configuration while providing superior offset voltage performance.

Compliance Considerations: All substitute parts except MAX4292EUA are RoHS3 compliant and carry Active product status. Selection should prioritize Active status parts to ensure long-term availability and compliance with current environmental regulations. All recommended substitutes maintain MSL 1 or MSL 2 moisture sensitivity levels, suitable for standard surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can MAX4292EUA+ be used as a direct drop-in replacement for MAX4292EUA?

A: Yes. MAX4292EUA+ maintains identical electrical specifications, package designation (8-uMAX/uSOP), and pin configuration. The primary differences are product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No circuit modifications are required for substitution.

Q: What is the key difference between general purpose and CMOS amplifier substitutes?

A: CMOS amplifiers (AD8607ARMZ, OPA2314AIDGK) feature significantly lower input bias current (0.2 pA vs. 15 nA) and superior input offset voltage characteristics. CMOS technology is preferred for high-impedance input applications and low-power designs. General purpose amplifiers (OPA2313IDGKR) offer moderate performance enhancement with simpler design requirements.

Q: Are J-FET amplifiers (LTC6269 series) compatible with MAX4292EUA applications?

A: J-FET amplifiers provide compatibility with MAX4292EUA in terms of dual circuit configuration, surface mount packaging, and rail-to-rail output capability. However, J-FET amplifiers feature significantly different electrical characteristics: ultra-low input bias current (0.003 pA), extremely high slew rate (1500 V/µs), and higher supply current (16.5 mA x2 Channels). J-FET substitution is appropriate only for applications requiring high-speed signal processing or ultra-high input impedance. Minimum supply voltage is 3.1 V, which may limit compatibility with 1.8 V supply designs.

Q: What is the significance of zero-drift technology in ISL28233FUZ-T7?

A: Zero-drift amplifiers employ internal chopper-stabilization techniques to minimize input offset voltage drift over temperature and time. ISL28233FUZ-T7 achieves 2 µV input offset voltage compared to 200 µV in MAX4292EUA. This technology is essential for precision measurement, sensor signal conditioning, and data acquisition applications where offset voltage stability is critical. Zero-drift amplifiers are not required for general purpose signal processing applications.

Q: Are there package compatibility considerations between substitute parts?

A: All substitute parts are available in 8-pin surface mount packages (8-TSSOP, 8-MSOP, or 8-VSSOP) with identical 0.118" (3.00mm) width. Pin configurations are compatible across all recommended substitutes. LTC6269 series parts feature an exposed pad (8-MSOP-EP) for enhanced thermal performance, which is optional and does not affect electrical compatibility. Standard PCB layouts designed for MAX4292EUA are compatible with all substitute parts without modification.

Q: What is the impact of operating temperature range differences?

A: MAX4292EUA operates from -40°C to 85°C. Most substitute parts (AD8607ARMZ, OPA2313IDGKR, OPA2314AIDGK) extend the maximum operating temperature to 125°C. ISL28233FUZ-T7 also supports -40°C to 125°C operation. LTC6269 series parts are available in two temperature variants: LTC6269HMS8E-10 and LTC6269IMS8E-10, with the latter limited to -40°C to 85°C. For applications requiring extended temperature operation beyond 85°C, select substitute parts with 125°C maximum rating.

Q: How do supply voltage span differences affect substitution?

A: MAX4292EUA supports 1.8 V to 5.5 V supply operation. Most substitute parts maintain this range or extend it. LTC6269 series parts have a minimum supply voltage of 3.1 V, which is incompatible with 1.8 V to 3.0 V supply designs. For applications operating at supply voltages below 3.1 V, LTC6269 series substitution is not permitted. All other substitute parts maintain full 1.8 V minimum supply voltage compatibility.

Q: What packaging options are available for high-volume production?

A: Substitute parts are available in multiple packaging formats: Tube, Cut Tape (CT) & Digi-Reel®, and Tape & Reel (TR). For high-volume production, Tape & Reel packaging (indicated by #TRPBF suffix) is standard. Examples include LTC6269HMS8E-10#TRPBF, LTC6269IMS8E-10#TRPBF, and OPA2313IDGKR. Tube packaging is suitable for lower-volume applications and prototyping. Selection should align with assembly process requirements and volume commitments.

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