MCP6H74-E/SL Equivalent & Substitute Parts

Part Overview

The MCP6H74-E/SL is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a 4-circuit rail-to-rail amplifier in a 14-SOIC surface-mount package. This device operates across a supply voltage range of 3.5V to 12V with an operating temperature range of -40°C to 125°C, making it suitable for a wide range of analog signal processing applications.

The MCP6H74-E/SL is classified as an Active product with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified based on matching package type (14-SOIC), circuit count (4 circuits), output configuration (rail-to-rail), and compatible operating temperature ranges. Alternative components may be required due to inventory constraints, supply chain considerations, or specific application performance requirements.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	MCP6H74-E/SL	—
Manufacturer	Microchip Technology	—
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	2	V/µs
Gain Bandwidth Product	2.7	MHz
Current - Input Bias	10	pA
Voltage - Input Offset	1	mV
Current - Supply (x4 Channels)	480	µA
Current - Output / Channel	53	mA
Voltage - Supply Span (Min)	3.5	V
Voltage - Supply Span (Max)	12	V
Operating Temperature	-40 to 125	°C
Product Status	Active	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MCP6H74-E/SL are grouped based on the following critical compatibility parameters:

Primary Matching Criteria:

Package type: 14-SOIC surface-mount configuration
Circuit count: 4 independent amplifier circuits
Output configuration: Rail-to-rail output capability
Mounting type: Surface mount

Secondary Compatibility Parameters:

Operating temperature range: -40°C to 125°C (or compatible subset)
Supply voltage span: Overlap with 3.5V to 12V range
Product status: Active or Last Time Buy (not obsolete for new designs)
Compliance: ROHS3 compliant, MSL 1

Performance Parameters (Flexible):

Slew rate, gain bandwidth product, input bias current, and output current may vary within application tolerance
Amplifier type (general purpose, CMOS) may differ if electrical characteristics remain compatible

The following substitute parts meet these criteria and are organized by amplifier type and performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Number of Circuits	Output Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Package	Status
MCP6H74-E/SL	Microchip	General Purpose	4	Rail-to-Rail	2	2.7	10	1	480	53	3.5	12	-40 to 125	14-SOIC	Active
MAX4495ASD+	Analog Devices/Maxim	General Purpose	4	Rail-to-Rail	3	5	200	0.3	770	15	4.5	11	-40 to 125	14-SOIC	Active
TS924AIDT	STMicroelectronics	General Purpose	4	Rail-to-Rail	1.3	4	15	0.9	1000	80	2.7	12	-40 to 125	14-SOIC	Active
TS924AIYDT	STMicroelectronics	General Purpose	4	Rail-to-Rail	1.3	4	15	0.9	1000	80	2.7	12	-40 to 125	14-SOIC	Active
LMC6494AEM/NOPB	Texas Instruments	CMOS	4	Rail-to-Rail	1.3	1.5	0.15	0.11	2600	30	2.5	15.5	-40 to 125	14-SOIC	Obsolete
LMC660AIM/NOPB	Texas Instruments	CMOS	4	Push-Pull, Rail-to-Rail	1.1	1.4	0.002	1	1500	40	4.75	15.5	-40 to 85	14-SOIC	Last Time Buy
LMC660AIMX/NOPB	Texas Instruments	CMOS	4	Push-Pull, Rail-to-Rail	1.1	1.4	0.002	1	1500	40	4.75	15.5	-40 to 85	14-SOIC	Active
LMC6036IM/NOPB	National Semiconductor	CMOS	4	Differential, Rail-to-Rail	1.5	1.4	0.02	0.5	1300	8	2	15.5	-40 to 85	14-SOIC	Active
LMC6036IMX/NOPB	Texas Instruments	CMOS	4	Differential, Rail-to-Rail	1.5	1.4	0.02	0.5	1300	8	2	15.5	-40 to 85	14-SOIC	Active
MAX4395ESD+	Analog Devices/Maxim	Video Amp	4	Rail-to-Rail	500	85	—	—	6000	95	4.5	11	—	14-SOIC	Active
MAX4395ESD+T	Analog Devices/Maxim	Video Amp	4	Rail-to-Rail	500	85	—	—	6000	95	4.5	11	—	14-SOIC	Active

Engineering Selection Recommendations

Direct Substitutes (General Purpose Amplifiers - Active Status):

The MAX4495ASD+ and TS924AIDT/TS924AIYDT represent the most direct substitutes for the MCP6H74-E/SL. All three are general-purpose, 4-circuit, rail-to-rail amplifiers in 14-SOIC packages with active product status and full operating temperature range (-40°C to 125°C). The MAX4495ASD+ offers higher slew rate (3V/µs vs. 2V/µs) and gain bandwidth product (5MHz vs. 2.7MHz), while the TS924 series provides automotive-grade qualification (AEC-Q100) with comparable performance characteristics.

CMOS Alternatives (Active Status):

The LMC660AIMX/NOPB and LMC6036IMX/NOPB are active CMOS amplifiers in 14-SOIC packages. The LMC660AIMX/NOPB features push-pull output configuration and operates across -40°C to 85°C. The LMC6036IMX/NOPB provides differential output capability with extended supply voltage range (2V to 15.5V) and operates across -40°C to 85°C. Both are ROHS3 compliant with MSL 1 rating.

Obsolete/Last Time Buy Status:

The LMC6494AEM/NOPB (Obsolete) and LMC660AIM/NOPB (Last Time Buy) should not be selected for new designs. These parts are retained in the reference table for legacy system maintenance only.

High-Performance Alternative:

The MAX4395ESD+ and MAX4395ESD+T are video amplifiers with significantly higher bandwidth (85MHz) and slew rate (500V/µs). These parts are suitable only for applications requiring high-frequency signal processing and are not recommended as general-purpose substitutes due to different performance class and application focus.

Selection Basis:

All recommended substitutes maintain 14-SOIC package compatibility
All recommended substitutes provide 4-circuit, rail-to-rail configuration
Active product status ensures continued availability and support
ROHS3 compliance and MSL 1 rating are maintained across all recommendations
Operating temperature range compatibility verified for each substitute

Frequently Asked Questions (FAQ)

Q1: Can the MAX4395ESD+ replace the MCP6H74-E/SL in a general-purpose amplifier application?

A: The MAX4395ESD+ is a video amplifier with fundamentally different performance characteristics (85MHz bandwidth, 500V/µs slew rate) compared to the MCP6H74-E/SL (2.7MHz bandwidth, 2V/µs slew rate). While both are 4-circuit, rail-to-rail amplifiers in 14-SOIC packages, the MAX4395ESD+ is designed for high-frequency video signal processing. Substitution is not recommended for general-purpose applications unless the application specifically requires video-grade performance.

Q2: What is the difference between TS924AIDT and TS924AIYDT?

A: Both TS924AIDT and TS924AIYDT are identical in electrical specifications and performance characteristics. The difference is in packaging: TS924AIDT is supplied in Cut Tape (CT) & Digi-Reel format, while TS924AIYDT is supplied in Tape & Reel (TR) format. Both are active products with AEC-Q100 automotive qualification and full -40°C to 125°C operating temperature range.

Q3: Why is the LMC6494AEM/NOPB listed as obsolete?

A: The LMC6494AEM/NOPB is classified as an obsolete product by Texas Instruments. While it remains electrically compatible with the MCP6H74-E/SL and maintains the required 14-SOIC package and 4-circuit configuration, it should not be selected for new designs. This part is included in the reference table for legacy system support and maintenance purposes only.

Q4: Are the LMC6036 variants suitable for direct replacement of the MCP6H74-E/SL?

A: The LMC6036IM/NOPB and LMC6036IMX/NOPB are CMOS amplifiers with differential output configuration, compared to the MCP6H74-E/SL general-purpose amplifier with standard rail-to-rail output. While both maintain 14-SOIC package compatibility and 4-circuit configuration, the differential output topology represents a functional difference. These parts are suitable only for applications specifically designed for differential amplifier operation.

Q5: What is the significance of the operating temperature range difference between MCP6H74-E/SL and LMC660AIMX/NOPB?

A: The MCP6H74-E/SL operates across -40°C to 125°C, while the LMC660AIMX/NOPB operates across -40°C to 85°C. If the application requires operation above 85°C, the LMC660AIMX/NOPB is not suitable. Conversely, if the application operates only within -40°C to 85°C, the LMC660AIMX/NOPB is fully compatible. Verify application temperature requirements before substitution.

Q6: Do all substitute parts maintain ROHS3 compliance and MSL 1 rating?

A: All recommended active substitute parts (MAX4495ASD+, TS924AIDT, TS924AIYDT, LMC660AIMX/NOPB, LMC6036IM/NOPB, LMC6036IMX/NOPB, MAX4395ESD+, MAX4395ESD+T) are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity level, matching the MCP6H74-E/SL specifications.

Q7: Can packaging format (Tube vs. Tape & Reel) affect electrical performance?

A: No. Packaging format (Tube, Cut Tape, Tape & Reel) affects only supply chain logistics and handling procedures. Electrical performance and specifications remain identical regardless of packaging format. Selection between packaging formats should be based on assembly process requirements and inventory management practices.

Q8: What supply voltage range compatibility should be verified before substitution?

A: The MCP6H74-E/SL operates across 3.5V to 12V. Substitute parts have varying supply ranges: MAX4495ASD+ (4.5V to 11V), TS924AIDT/AIYDT (2.7V to 12V), LMC660AIMX/NOPB (4.75V to 15.5V), and LMC6036 variants (2V to 15.5V). Verify that the substitute part's supply voltage range encompasses the application's operating voltage before selection.

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