MAX4042ESA-T Equivalent & Substitute Parts

Part Overview

The MAX4042ESA-T is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, configured as a dual-channel (2 circuit) rail-to-rail output device in an 8-SOIC surface mount package. This part is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The MAX4042ESA-T serves applications requiring low-power, general-purpose amplification with rail-to-rail output capability across supply voltages from 2.4 V to 5.5 V.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	0.04	V/µs
Gain Bandwidth Product	90	kHz
Current - Input Bias	2	nA
Voltage - Input Offset	200	µV
Current - Supply (x2 Channels)	14	µA
Current - Output / Channel	2.5	mA
Voltage - Supply Span (Min)	2.4	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 85	°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 MAX4042ESA-T is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Dual-channel (2 circuit) configuration
Rail-to-rail output capability
8-SOIC surface mount package (0.154", 3.90mm width)
Supply voltage range compatibility: minimum 2.4 V to maximum 5.5 V
Operating temperature range: -40°C to 85°C or broader
RoHS3 compliance

Secondary Electrical Parameters (must be met or exceeded):

Slew rate: 0.04 V/µs or greater
Gain bandwidth product: 90 kHz or greater
Input bias current: 2 nA or lower
Input offset voltage: 200 µV or lower
Supply current: 14 µA per channel or lower
Output current per channel: 2.5 mA or greater

Substitute parts are grouped into two categories: direct packaging equivalents (identical packaging and product status) and functional alternatives (enhanced performance characteristics with compatible electrical specifications).

Parameter Comparison

Part Number	Manufacturer	Product Status	Slew Rate (V/µs)	GBW (kHz)	Input Bias (nA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Temp Range (°C)	Package
MAX4042ESA-T	Analog Devices/Maxim	Obsolete	0.04	90	2	200	14	2.5	-40 to 85	8-SOIC
MAX4042ESA+T	Analog Devices/Maxim	Active	0.04	90	2	200	14	2.5	-40 to 85	8-SOIC
ISL28230CBZ-T7A	Renesas Electronics	Obsolete	0.2	400	0.25	5	20	15	0 to 70	8-SOIC
ISL28230CBZ-T7	Renesas Electronics	Active	0.2	400	0.25	5	20	15	0 to 70	8-SOIC
ISL28230CBZ	Renesas Electronics	Active	0.2	400	0.25	5	20	15	0 to 70	8-SOIC
MCP6002-I/SN	Microchip Technology	Active	0.6	1000	0.001	4.5	100	23	-40 to 85	8-SOIC
LMV358M	Texas Instruments	Last Time Buy	1	1000	15	1700	210	160	-40 to 125	8-SOIC
LMV358M/NOPB	Texas Instruments	Active	1	1000	15	1700	210	160	-40 to 125	8-SOIC
LMV358MX/NOPB	Texas Instruments	Active	1	1000	15	1700	210	160	-40 to 125	8-SOIC
LT1466LCS8#PBF	Analog Devices	Active	0.04	120	3	110	60	18	0 to 70	8-SOIC
LT1466LCS8#TRPBF	Analog Devices	Active	0.04	120	3	110	60	18	0 to 70	8-SOIC

Engineering Selection Recommendations

Tier 1: Direct Replacement (Identical Electrical Performance)

MAX4042ESA+T is the direct active-status equivalent of MAX4042ESA-T. Both parts share identical electrical specifications, supply voltage range (2.4 V to 5.5 V), operating temperature range (-40°C to 85°C), and 8-SOIC packaging. The primary distinction is product status: MAX4042ESA+T is active, whereas MAX4042ESA-T is obsolete. This part is recommended for designs requiring no performance modification and maximum compatibility with existing schematics.

Tier 2: Enhanced Performance Substitutes (Improved Electrical Characteristics)

ISL28230CBZ-T7 and ISL28230CBZ represent enhanced alternatives manufactured by Renesas Electronics. These parts exceed the MAX4042ESA-T in slew rate (0.2 V/µs vs. 0.04 V/µs), gain bandwidth product (400 kHz vs. 90 kHz), input bias current (0.25 nA vs. 2 nA), and output current capability (15 mA vs. 2.5 mA). ISL28230CBZ-T7 is active status with MSL 2 (1 Year), while ISL28230CBZ is active status with MSL 1 (Unlimited). Both maintain 8-SOIC packaging and RoHS3 compliance. Operating temperature range is 0°C to 70°C, which is narrower than the original part. These substitutes are suitable for applications where improved bandwidth and lower input bias current provide design advantages.

MCP6002-I/SN (Microchip Technology) offers significantly enhanced performance with 0.6 V/µs slew rate, 1 MHz gain bandwidth product, and 1 pA input bias current. Supply voltage range (1.8 V to 6 V) exceeds the original specification. Operating temperature range (-40°C to 85°C) matches the original part. This substitute is appropriate for applications requiring superior frequency response and minimal input bias current effects.

Tier 3: High-Performance Alternatives (Significantly Enhanced Specifications)

LMV358M/NOPB and LMV358MX/NOPB (Texas Instruments) provide substantially enhanced performance characteristics including 1 V/µs slew rate, 1 MHz gain bandwidth product, and 160 mA output current per channel. Operating temperature range extends to -40°C to 125°C. These parts are suitable for applications requiring higher output drive capability and extended temperature operation. LMV358MX/NOPB has highest inventory availability (155,100 pcs).

LT1466LCS8#PBF and LT1466LCS8#TRPBF (Analog Devices) maintain the original 0.04 V/µs slew rate while providing 120 kHz gain bandwidth product and extended supply voltage range (2 V to 10 V). These parts are active status with unlimited MSL. Operating temperature range is 0°C to 70°C.

Compliance and Regulatory Status:

All substitute parts listed maintain RoHS3 compliance and EAR99 ECCN classification. REACH status varies: ISL28230 series and MCP6002-I/SN are REACH Unaffected; LMV358M is REACH Affected; LT1466 series are REACH Unaffected. Moisture sensitivity levels range from MSL 1 (Unlimited) to MSL 2 (1 Year), affecting storage and handling requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX4042ESA+T be used as a direct replacement for MAX4042ESA-T?

A: Yes. MAX4042ESA+T is electrically and mechanically identical to MAX4042ESA-T. The only difference is product status: MAX4042ESA+T is active, while MAX4042ESA-T is obsolete. Both parts share identical electrical specifications, package type (8-SOIC), and operating parameters. No circuit modifications are required.

Q: What are the key differences between ISL28230CBZ-T7 and MAX4042ESA-T?

A: ISL28230CBZ-T7 provides enhanced performance in slew rate (0.2 V/µs vs. 0.04 V/µs), gain bandwidth product (400 kHz vs. 90 kHz), input bias current (0.25 nA vs. 2 nA), and output current (15 mA vs. 2.5 mA). Both maintain 8-SOIC packaging and RoHS3 compliance. The operating temperature range for ISL28230CBZ-T7 is 0°C to 70°C, which is narrower than the original part's -40°C to 85°C range. Supply voltage range is identical (1.8 V to 5.5 V for ISL28230CBZ-T7 vs. 2.4 V to 5.5 V for MAX4042ESA-T).

Q: Is MCP6002-I/SN compatible with the MAX4042ESA-T in terms of package and pinout?

A: MCP6002-I/SN uses the same 8-SOIC package as MAX4042ESA-T. Both are dual-channel, rail-to-rail output operational amplifiers in surface mount configuration. Pinout compatibility must be verified against specific datasheets, as package type alone does not guarantee pin-for-pin compatibility. MCP6002-I/SN offers superior performance characteristics including 0.6 V/µs slew rate and 1 pA input bias current.

Q: What is the difference between LMV358M and LMV358MX/NOPB?

A: LMV358M and LMV358MX/NOPB are electrically identical, both manufactured by Texas Instruments with identical electrical specifications (1 V/µs slew rate, 1 MHz gain bandwidth product, 160 mA output current). The primary difference is packaging: LMV358M is supplied in Tube packaging, while LMV358MX/NOPB is supplied in Cut Tape (CT) & Digi-Reel® format. LMV358MX/NOPB has significantly higher inventory availability (155,100 pcs vs. 1,380 pcs). Both maintain MSL 1 (Unlimited) and RoHS3 compliance.

Q: Can I use LMV358M/NOPB in applications requiring -40°C operation?

A: Yes. LMV358M/NOPB operates across -40°C to 125°C, which exceeds the original MAX4042ESA-T range of -40°C to 85°C. This part is suitable for applications requiring extended low-temperature operation. However, supply current consumption is higher (210 µA vs. 14 µA), which may impact power budget in battery-powered applications.

Q: What is the significance of MSL (Moisture Sensitivity Level) ratings?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life under standard storage conditions. MSL 2 (1 Year) indicates the component must be used within one year of the manufacturing date if stored under standard conditions. ISL28230CBZ-T7A carries MSL 2, requiring attention to manufacturing date and storage duration. All other listed substitutes carry MSL 1 or equivalent unlimited ratings.

Q: Which substitute part offers the best balance of performance and compatibility?

A: ISL28230CBZ-T7 provides optimal balance: it maintains 8-SOIC packaging identical to MAX4042ESA-T, offers significantly enhanced performance (5× higher slew rate, 4.4× higher gain bandwidth product), maintains RoHS3 compliance, and is active status. The primary consideration is operating temperature range (0°C to 70°C vs. -40°C to 85°C), which must be evaluated against specific application requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (MAX4042ESA+T, ISL28230 series, MCP6002-I/SN, LMV358 series, and LT1466 series) are RoHS3 compliant. This ensures compatibility with regulatory requirements for electronic equipment in applicable jurisdictions.

Q: What is the inventory status for each substitute part?

A: Inventory availability varies significantly: LMV358MX/NOPB has the highest availability (155,100 pcs), followed by ISL28230CBZ-T7 (4,049 pcs), MCP6002-I/SN (83,881 pcs), and LMV358M/NOPB (1,898 pcs). MAX4042ESA+T has 1,312 pcs available. ISL28230CBZ-T7A (obsolete status) has 1,059 pcs. Inventory levels should be verified with suppliers for current availability.

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