TLV271QDBVRQ1 Equivalent & Substitute Parts

Part Overview

The TLV271QDBVRQ1 is a general-purpose operational amplifier manufactured by Texas Instruments, packaged in SOT-23-5 surface mount configuration. This rail-to-rail output amplifier operates across a 2.7 V to 16 V supply range and is qualified to AEC-Q100 automotive standards. The device is in active production status with 23,917 units in current inventory.

Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters while maintaining compatibility with the original application requirements.

Substiute Parts

TLV271QDBVRQ1

Texas InstrumentsIn Stock: 24006TLV271QDBVRQ1 Datasheet

Current PartRFQ

MCP6H01T-E/OT

Microchip TechnologyIn Stock: 2081MCP6H01T-E/OT Datasheet

MFR RecommendedRFQ

NCV20071SN2T1G

onsemiIn Stock: 6447NCV20071SN2T1G Datasheet

MFR RecommendedRFQ

TLV271CW5-7

Diodes IncorporatedIn Stock: 15159TLV271CW5-7 Datasheet

MFR RecommendedRFQ

TLV271IW5-7

Diodes IncorporatedIn Stock: 125859TLV271IW5-7 Datasheet

MFR RecommendedRFQ

TSX711ILT

STMicroelectronicsIn Stock: 1000326TSX711ILT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Functional Equivalence Criteria:

• Single-circuit general-purpose operational amplifier
• Rail-to-rail output configuration
• Operating temperature range: -40°C to 125°C (or subset thereof)
• Supply voltage range: minimum 2.7 V, maximum 16 V (or compatible subset)
• Surface mount packaging in SOT-23-5 or equivalent footprint

Performance Tolerance Parameters:

• Slew rate within operational range (1.4 V/µs to 2.4 V/µs acceptable)
• Gain bandwidth product within 1.2 MHz to 3.2 MHz range
• Input bias current ≤ 10 pA
• Input offset voltage ≤ 1.3 mV
• Supply current ≤ 750 µA
• Output current per channel ≥ 8 mA

Compliance Requirements:

• RoHS3 compliant
• Moisture sensitivity level 1 (unlimited)
• Active product status

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

TSX711ILT (STMicroelectronics): This device maintains full compatibility with the TLV271QDBVRQ1 across all critical parameters. Operating temperature range (-40°C to 125°C), supply voltage span (2.7 V to 16 V), and package configuration (SOT-23-5) are identical. Slew rate (1.4 V/µs) and gain bandwidth product (2.7 MHz) remain within acceptable operational ranges. Input offset voltage (200 µV) is superior to the main part. Output current per channel (71 mA) exceeds the minimum requirement. RoHS3 compliance and MSL 1 rating are maintained. This substitute is suitable for direct replacement in non-automotive applications.

NCV20071SN2T1G (onsemi): This device provides automotive-grade qualification (AEC-Q100) matching the main part. Operating temperature range (-40°C to 125°C) and minimum supply voltage (2.7 V) are identical. Maximum supply voltage extends to 36 V, providing broader operational flexibility. Slew rate (2.4 V/µs) and gain bandwidth product (3.2 MHz) exceed the main part specifications. Output current per channel (65 mA) significantly exceeds the 8 mA requirement. Package configuration (SOT-23-5 Thin, TSOT-23-5) is mechanically compatible. RoHS3 compliance and MSL 1 rating are maintained. This substitute is suitable for automotive applications requiring extended supply voltage range.

Secondary Substitutes (Conditional Compatibility):

TLV271IW5-7 (Diodes Incorporated): This device shares the TLV271 base product number with the main part, indicating design lineage. Operating temperature range (-40°C to 125°C) and supply voltage span (2.7 V to 16 V) are identical. Slew rate (2.0 V/µs) and gain bandwidth product (1.9 MHz) remain within acceptable ranges. Input bias current (1 pA) and input offset voltage (500 µV) match the main part exactly. Supply current (550 µA) is lower than the main part. Output current per channel (8 mA) meets the minimum requirement. Package configuration (SOT-25) differs from the main part (SOT-23-5), requiring PCB layout verification. RoHS3 compliance and MSL 1 rating are maintained. This substitute is suitable for applications where PCB footprint compatibility can be confirmed.

TLV271CW5-7 (Diodes Incorporated): This device shares the TLV271 base product number with the main part. Supply voltage span (2.7 V to 16 V) matches the main part. Slew rate (2.0 V/µs) and gain bandwidth product (1.9 MHz) remain within acceptable ranges. Input bias current (1 pA) and input offset voltage (500 µV) match the main part exactly. Supply current (550 µA) is lower than the main part. Output current per channel (8 mA) meets the minimum requirement. Operating temperature range (0°C to 70°C) is narrower than the main part, restricting use to commercial temperature applications only. Package configuration (SOT-25) differs from the main part (SOT-23-5), requiring PCB layout verification. RoHS3 compliance and MSL 1 rating are maintained. This substitute is suitable only for commercial-grade applications with confirmed PCB footprint compatibility.

Limited Substitutes (Restricted Compatibility):

MCP6H01T-E/OT (Microchip Technology): This device provides general-purpose amplifier functionality with rail-to-rail output. Operating temperature range (-40°C to 125°C) matches the main part. Minimum supply voltage (3.5 V) exceeds the main part requirement (2.7 V), restricting use to applications with higher minimum supply voltage. Maximum supply voltage (16 V) matches the main part. Slew rate (0.8 V/µs) is significantly lower than the main part, affecting transient response performance. Gain bandwidth product (1.2 MHz) is lower than the main part. Input bias current (10 pA) exceeds the main part specification. Input offset voltage (700 µV) exceeds the main part specification. Supply current (135 µA) is substantially lower than the main part. Package configuration (SOT-23-5) is compatible. RoHS3 compliance and MSL 1 rating are maintained. This substitute is suitable only for applications with minimum supply voltage ≥ 3.5 V and where reduced bandwidth and slew rate are acceptable.

Frequently Asked Questions (FAQ)

Q: Can TSX711ILT be used as a direct replacement for TLV271QDBVRQ1 in automotive applications?

A: TSX711ILT is not qualified to AEC-Q100 automotive standards. The main part (TLV271QDBVRQ1) carries AEC-Q100 qualification, while TSX711ILT does not. For automotive applications requiring AEC-Q100 compliance, NCV20071SN2T1G is the appropriate substitute.

Q: What is the primary difference between TLV271IW5-7 and TLV271CW5-7?

A: The operating temperature range differs between these devices. TLV271IW5-7 operates from -40°C to 125°C, matching the main part. TLV271CW5-7 operates from 0°C to 70°C, restricting use to commercial-grade applications. Both devices share identical electrical specifications and the TLV271 base product number.

Q: Are TLV271IW5-7 and TLV271CW5-7 pin-compatible with TLV271QDBVRQ1?

A: Both devices use SOT-25 packaging, while the main part uses SOT-23-5 packaging. Although both are 5-pin surface mount packages, the physical footprints differ. PCB layout verification is required before substitution.

Q: Why does MCP6H01T-E/OT have a minimum supply voltage of 3.5 V instead of 2.7 V?

A: MCP6H01T-E/OT is designed with a higher minimum supply voltage specification. Applications requiring operation at 2.7 V cannot use this substitute. Verify the minimum supply voltage requirement in your application before selecting this device.

Q: Can NCV20071SN2T1G be used in applications with supply voltages above 16 V?

A: NCV20071SN2T1G is specified for maximum supply voltage of 36 V, while the main part is specified for 16 V maximum. NCV20071SN2T1G can operate at higher supply voltages, but the main part cannot. If your application requires supply voltages between 16 V and 36 V, NCV20071SN2T1G is the appropriate substitute.

Q: What does AEC-Q100 qualification mean for automotive applications?

A: AEC-Q100 is an automotive electronics qualification standard. Devices carrying this qualification have undergone specific reliability and quality testing for automotive use. The main part (TLV271QDBVRQ1) and NCV20071SN2T1G both carry AEC-Q100 qualification. Other substitutes do not carry this qualification and should not be used in applications requiring automotive-grade components.

Q: Is the difference in slew rate between TLV271QDBVRQ1 (2.1 V/µs) and MCP6H01T-E/OT (0.8 V/µs) significant?

A: Slew rate determines how quickly the output voltage can change. Lower slew rate limits the maximum frequency and rise time performance of the amplifier. MCP6H01T-E/OT's slew rate is approximately 38% of the main part's slew rate. Applications requiring fast transient response or high-frequency operation should not use MCP6H01T-E/OT as a substitute.

Q: What is the significance of input bias current specifications (1 pA vs. 10 pA vs. 2 nA)?

A: Input bias current affects circuit accuracy in high-impedance applications. Lower input bias current reduces errors in precision circuits. The main part specifies 1 pA, while MCP6H01T-E/OT specifies 10 pA (10 times higher) and NCV20071SN2T1G specifies 2 nA (2000 times higher). For high-impedance applications, devices with lower input bias current are preferred.

Q: Can I use TLV271CW5-7 in an application operating at -40°C?

A: No. TLV271CW5-7 is specified for operating temperature range 0°C to 70°C. The main part operates from -40°C to 125°C. TLV271CW5-7 cannot be used in applications requiring operation below 0°C.

Q: What does MSL 1 (Unlimited) moisture sensitivity level mean?

A: MSL 1 indicates the lowest moisture sensitivity level. Devices with MSL 1 have unlimited shelf life and do not require special moisture-control handling during storage and assembly. All listed substitutes carry MSL 1 rating, matching the main part.