MCP6L74T-E/ST Equivalent & Substitute Parts

Part Overview

The MCP6L74T-E/ST is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a 4-circuit rail-to-rail amplifier in a 14-TSSOP surface-mount package. This device is classified as Active product status and is ROHS3 compliant. The MCP6L74T-E/ST operates across a 2V to 6V supply range with low input bias current (1 pA) and moderate slew rate (0.9V/µs), making it suitable for low-power analog signal conditioning applications.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for the 14-TSSOP package form factor. Substitution becomes necessary due to inventory availability, manufacturing discontinuation, or packaging format requirements.

Substiute Parts

MCP6L74T-E/ST

Microchip TechnologyIn Stock: 2333MCP6L74T-E/ST Datasheet

Current PartRFQ

MCP6274T-E/ST

Microchip TechnologyIn Stock: 4711MCP6274T-E/ST Datasheet

MFR RecommendedRFQ

AD8534ARUZ

Analog Devices Inc.In Stock: 2339AD8534ARUZ Datasheet

MFR RecommendedRFQ

AD8534ARUZ-REEL

Analog Devices Inc.In Stock: 19759AD8534ARUZ-REEL Datasheet

MFR RecommendedRFQ

LMV344IPW

Texas InstrumentsIn Stock: 2681LMV344IPW Datasheet

MFR RecommendedRFQ

LMV554MT/NOPB

Texas InstrumentsIn Stock: 1212LMV554MT/NOPB Datasheet

MFR RecommendedRFQ

LMV774MT/NOPB

Texas InstrumentsIn Stock: 1691LMV774MT/NOPB Datasheet

MFR RecommendedRFQ

LMV774MTX/NOPB

Texas InstrumentsIn Stock: 25206LMV774MTX/NOPB Datasheet

MFR RecommendedRFQ

OPA4314AIPW

Texas InstrumentsIn Stock: 2294OPA4314AIPW Datasheet

MFR RecommendedRFQ

OPA4314AIPWR

Texas InstrumentsIn Stock: 21168OPA4314AIPWR Datasheet

MFR RecommendedRFQ

TLV2474AIPWR

Texas InstrumentsIn Stock: 2405TLV2474AIPWR Datasheet

MFR RecommendedRFQ

TLV4314IPWR

Texas InstrumentsIn Stock: 35308TLV4314IPWR Datasheet

MFR RecommendedRFQ

TSV324IYPT

STMicroelectronicsIn Stock: 1646TSV324IYPT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MCP6L74T-E/ST are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Mechanical Compatibility:

• Package type: 14-TSSOP (0.173", 4.40mm Width)
• Mounting type: Surface Mount
• Pin count and footprint equivalence

Electrical Compatibility:

• Number of circuits: 4 independent amplifier channels
• Output type: Rail-to-Rail configuration
• Supply voltage range: Minimum 2V, Maximum 6V (or compatible subset)
• Operating temperature range: -40°C to 125°C (or compatible subset)

Performance Parameters:

• Slew rate: 0.9V/µs or higher
• Gain bandwidth product: 2 MHz or higher
• Input bias current: 1 pA or lower
• Input offset voltage: 1 mV or lower
• Supply current: 150µA (x4 Channels) or lower
• Output current per channel: 25 mA or higher

Substitutes are classified into two categories: Direct Microchip equivalents (MCP6274T-E/ST) and Cross-manufacturer alternatives (Analog Devices, Texas Instruments) that meet or exceed the specified electrical parameters within the same package footprint.

Parameter Comparison

Engineering Selection Recommendations

Tier 1: Direct Microchip Equivalent

MCP6274T-E/ST is the primary substitute from Microchip Technology. This part maintains identical electrical specifications with the exception of input offset voltage (3 mV vs. 1 mV) and slightly elevated supply current (170µA vs. 150µA). Both parameters remain within acceptable operational margins for general-purpose amplifier applications. The MCP6274T-E/ST is Active product status with ROHS3 compliance and MSL 1 rating. Packaging format differs (Cut Tape & Digi-Reel vs. Tape & Reel), which may affect procurement logistics.

Tier 2: Texas Instruments LMV Series (Active Status)

LMV554MT/NOPB and LMV774MT/NOPB are Active-status alternatives from Texas Instruments. The LMV554MT/NOPB provides superior supply current efficiency (37µA vs. 150µA) and maintains identical input offset voltage (1 mV). The LMV774MT/NOPB and LMV774MTX/NOPB offer enhanced performance with lower input bias current (0.23 pA), lower input offset voltage (0.25 mV), and higher slew rate (1.4V/µs). Both LMV series parts operate within the -40°C to 125°C temperature range. Supply voltage maximum is 5.5V (vs. 6V for MCP6L74T-E/ST), which is compatible with standard 5V and lower supply applications. LMV774MTX/NOPB provides Cut Tape & Digi-Reel packaging for high-volume procurement.

Tier 3: Texas Instruments OPA4314 Series (Active Status)

OPA4314AIPW and OPA4314AIPWR are CMOS amplifiers with Active product status. These parts provide identical supply current (150µA) and superior slew rate (1.5V/µs) compared to the MCP6L74T-E/ST. Input offset voltage is 0.5 mV (lower than MCP6L74T-E/ST). Output current per channel is reduced to 20 mA (vs. 25 mA). Supply voltage minimum is 1.8V, enabling operation in lower-voltage applications. MSL rating is 2 (1 Year) vs. MSL 1 for the main part. OPA4314AIPWR provides Cut Tape & Digi-Reel packaging.

Tier 4: Texas Instruments LMV344IPW (Last Time Buy Status)

LMV344IPW is classified as Last Time Buy product status. This CMOS amplifier provides superior input offset voltage (0.25 mV) and lower supply current (107µA). However, gain bandwidth product is reduced to 1 MHz (vs. 2 MHz), and supply voltage maximum is limited to 5.5V. This part is suitable only for applications where reduced bandwidth is acceptable.

Tier 5: Analog Devices AD8534 Series (Active Status)

AD8534ARUZ and AD8534ARUZ-REEL are Active-status alternatives from Analog Devices. These parts provide significantly enhanced performance: slew rate of 5V/µs, gain bandwidth product of 3 MHz, and output current of 250 mA per channel. However, supply current is elevated to 750µA (5× higher than MCP6L74T-E/ST), input bias current is 5 pA (5× higher), and input offset voltage is 25 mV (25× higher). Operating temperature maximum is 85°C (vs. 125°C). These parts are suitable for high-speed, high-current applications where power consumption and temperature range are not constraints. AD8534ARUZ-REEL provides Cut Tape & Digi-Reel packaging with highest inventory availability (19,687 pcs).

Tier 6: Texas Instruments TLV2474AIPWR (Active Status)

TLV2474AIPWR is an Active-status CMOS amplifier with supply voltage range of 2.7V to 6V (compatible with MCP6L74T-E/ST). This part provides superior input offset voltage (0.25 mV) and slew rate (1.5V/µs). Supply current is elevated to 600µA, and output current is 35 mA per channel. Gain bandwidth product is 2.8 MHz. This part is suitable for applications requiring extended supply voltage range and lower input offset voltage.

Compliance and Certification Summary:

All substitute parts listed are ROHS3 compliant and REACH unaffected. All parts are classified under ECCN EAR99 and HTSUS 8542.33.0001. MSL ratings vary: Microchip and most Texas Instruments parts are MSL 1 (Unlimited); OPA4314 series is MSL 2 (1 Year).

Frequently Asked Questions (FAQ)

Q1: Can MCP6274T-E/ST be used as a direct replacement for MCP6L74T-E/ST?

A: Yes. MCP6274T-E/ST is a direct Microchip equivalent with identical electrical performance except for input offset voltage (3 mV vs. 1 mV) and supply current (170µA vs. 150µA). Both parameters remain within acceptable operational margins. The primary difference is packaging format: MCP6274T-E/ST is supplied in Cut Tape & Digi-Reel format, while MCP6L74T-E/ST is Tape & Reel. Both use the same 14-TSSOP package footprint.

Q2: What is the key difference between the LMV554MT/NOPB and LMV774MT/NOPB?

A: Both are Texas Instruments general-purpose amplifiers in 14-TSSOP packages with Active status. LMV554MT/NOPB provides lower supply current (37µA vs. 600µA) and is optimized for low-power applications. LMV774MT/NOPB provides superior performance with lower input bias current (0.23 pA vs. 20 nA), lower input offset voltage (0.25 mV vs. 1 mV), and higher slew rate (1.4V/µs vs. 1V/µs). LMV774MT/NOPB is suitable for precision analog signal conditioning.

Q3: Why is the AD8534ARUZ-REEL recommended despite higher supply current?

A: AD8534ARUZ-REEL is recommended for applications requiring high-speed operation (5V/µs slew rate, 3 MHz gain bandwidth product) and high output current (250 mA per channel). The elevated supply current (750µA) is acceptable in applications where power consumption is not a primary constraint. This part has the highest inventory availability (19,687 pcs) among all substitutes, making it suitable for high-volume procurement. Both AD8534 variants are Active product status.

Q4: Is LMV344IPW suitable as a substitute?

A: LMV344IPW can be used as a substitute only in applications where reduced bandwidth is acceptable. This part is classified as Last Time Buy product status, indicating limited future availability. Gain bandwidth product is reduced to 1 MHz (vs. 2 MHz for MCP6L74T-E/ST). Supply voltage maximum is 5.5V. This part provides superior input offset voltage (0.25 mV) and lower supply current (107µA), making it suitable for precision, low-power applications with bandwidth requirements below 1 MHz.

Q5: What are the supply voltage compatibility considerations?

A: MCP6L74T-E/ST operates from 2V to 6V. Most substitutes operate within this range or a compatible subset. LMV344IPW and LMV554MT/NOPB have maximum supply voltage of 5.5V (compatible with 5V systems). OPA4314 series has minimum supply voltage of 1.8V (enabling lower-voltage applications). TLV2474AIPWR and AD8534 series support the full 2V to 6V range. Verify supply voltage compatibility with your application before substitution.

Q6: What is the significance of MSL (Moisture Sensitivity Level) ratings?

A: MSL 1 (Unlimited) indicates the part can be stored indefinitely without moisture baking requirements. MSL 2 (1 Year) indicates the part must be baked if stored for more than one year. MCP6L74T-E/ST, MCP6274T-E/ST, and most Texas Instruments parts (except OPA4314 series) are MSL 1. OPA4314AIPW and OPA4314AIPWR are MSL 2. For long-term inventory storage, MSL 1 parts are preferred.

Q7: Which substitute provides the best low-power performance?

A: LMV554MT/NOPB provides the lowest supply current at 37µA (x4 channels), making it the best choice for battery-powered or ultra-low-power applications. This part maintains identical input offset voltage (1 mV) to the MCP6L74T-E/ST and operates across the full -40°C to 125°C temperature range. Supply voltage range is 2.7V to 5.5V.

Q8: Are all substitutes available in the same 14-TSSOP package?

A: Yes. All substitute parts listed use the 14-TSSOP (0.173", 4.40mm Width) package with identical pin configuration and footprint. This ensures mechanical compatibility for PCB layout and assembly. Packaging format (Tape & Reel, Cut Tape & Digi-Reel, Tube, or Bulk) differs, affecting procurement and handling procedures but not electrical or mechanical compatibility.

Q9: Which substitute has the highest output current capability?

A: AD8534ARUZ and AD8534ARUZ-REEL provide the highest output current per channel at 250 mA (vs. 25 mA for MCP6L74T-E/ST). These parts are suitable for applications requiring direct drive of external loads or low-impedance circuits. However, supply current is significantly elevated (750µA vs. 150µA), and operating temperature maximum is reduced to 85°C.

Q10: Can I use OPA4314AIPWR in place of MCP6L74T-E/ST in a 6V supply application?

A: OPA4314AIPWR has maximum supply voltage of 5.5V, which is below the 6V maximum of MCP6L74T-E/ST. This part is not suitable for applications requiring operation at 6V supply. However, it is fully compatible with 5V and lower supply applications. Verify your actual supply voltage requirement before selecting this substitute.