TLC271CPWR Equivalent & Substitute Parts

Part Overview

The TLC271CPWR is a general-purpose operational amplifier manufactured by Texas Instruments, housed in an 8-TSSOP surface-mount package. This device is classified as a Last Time Buy product, indicating that it is no longer in active production. The TLC271CPWR belongs to the LinCMOS™ series and is designed for applications requiring low-power, general-purpose amplification with a single circuit configuration.

Due to its Last Time Buy status, identifying equivalent and substitute parts is essential for design continuity and long-term supply chain management. Substitute parts must maintain functional compatibility across critical electrical parameters including supply voltage range, slew rate, gain bandwidth product, and output current capability.

Substiute Parts

TLC271CPWR

Texas InstrumentsIn Stock: 2056TLC271CPWR Datasheet

Current PartRFQ

TLV9151IDBVR

Texas InstrumentsIn Stock: 2372TLV9151IDBVR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC271CPWR is determined by the following critical parameters:

Functional Compatibility Criteria:

• Amplifier Type: General Purpose (single circuit)
• Supply Voltage Range: Minimum 3 V, Maximum 16 V
• Output Current Capability: Minimum 30 mA per channel
• Slew Rate: Minimum 5.3 V/µs
• Gain Bandwidth Product: Minimum 2.2 MHz
• Input Bias Current: Maximum 0.7 pA
• Input Offset Voltage: Maximum 1.1 mV

Package and Compliance Criteria:

• Surface-mount technology
• RoHS3 compliance
• MSL Level 1 (Unlimited moisture sensitivity)

The TLC271CPWR substitute identified in this reference is the TLV9151IDBVR. This substitute meets or exceeds all critical electrical parameters while offering enhanced performance characteristics and active product status. The TLV9151IDBVR operates across an extended temperature range and provides rail-to-rail output capability, making it suitable for replacement in existing TLC271CPWR applications.

Parameter Comparison

Engineering Selection Recommendations

TLV9151IDBVR as Primary Substitute:

The TLV9151IDBVR is the manufacturer-recommended substitute for the TLC271CPWR. This substitution is supported by the following engineering factors:

Electrical Performance: The TLV9151IDBVR meets all minimum electrical requirements of the TLC271CPWR while providing superior performance in slew rate (20 V/µs vs. 5.3 V/µs), gain bandwidth product (4.5 MHz vs. 2.2 MHz), and output current capability (75 mA vs. 30 mA). Input offset voltage is significantly improved (125 µV vs. 1.1 mV).

Supply Voltage Compatibility: The TLV9151IDBVR operates across a supply voltage range of 2.7 V to 16 V, which encompasses the TLC271CPWR range of 3 V to 16 V. This ensures direct compatibility in existing power supply configurations.

Product Status: The TLV9151IDBVR maintains Active product status, ensuring long-term availability and continued manufacturing support, in contrast to the Last Time Buy status of the TLC271CPWR.

Compliance and Certifications: Both devices are ROHS3 compliant with MSL Level 1 rating, maintaining identical environmental and regulatory compliance profiles.

Package Consideration: The TLV9151IDBVR uses a SOT-23-5 package, which differs from the 8-TSSOP package of the TLC271CPWR. PCB layout modifications are required for package substitution.

Temperature Range: The TLV9151IDBVR supports an extended operating temperature range (-40°C to 125°C) compared to the TLC271CPWR (0°C to 70°C), providing additional operational flexibility for demanding environments.

Frequently Asked Questions (FAQ)

Q: Can the TLV9151IDBVR directly replace the TLC271CPWR without circuit modifications?

A: Electrical substitution is feasible due to functional parameter compatibility. However, package differences (SOT-23-5 vs. 8-TSSOP) require PCB layout redesign. Pin configuration must be verified against datasheets before implementation.

Q: What are the key electrical advantages of the TLV9151IDBVR over the TLC271CPWR?

A: The TLV9151IDBVR provides higher slew rate (20 V/µs vs. 5.3 V/µs), greater gain bandwidth product (4.5 MHz vs. 2.2 MHz), improved input offset voltage (125 µV vs. 1.1 mV), and higher output current capability (75 mA vs. 30 mA). Supply current is also reduced (560 µA vs. 950 µA).

Q: Is the TLV9151IDBVR suitable for applications requiring the full 0°C to 70°C operating range of the TLC271CPWR?

A: Yes. The TLV9151IDBVR operating range of -40°C to 125°C fully encompasses the TLC271CPWR range, ensuring compatibility across all specified temperature conditions.

Q: What supply voltage considerations apply when substituting the TLV9151IDBVR?

A: The TLV9151IDBVR minimum supply voltage is 2.7 V, which is lower than the TLC271CPWR minimum of 3 V. Both devices support the same maximum supply voltage of 16 V. Existing power supply configurations designed for the TLC271CPWR will operate the TLV9151IDBVR within specification.

Q: Are there compliance or regulatory differences between these devices?

A: Both the TLC271CPWR and TLV9151IDBVR are ROHS3 compliant with MSL Level 1 rating. No compliance or regulatory differences exist between the two devices.

Q: Why is the TLC271CPWR designated as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued active production of the TLC271CPWR. The TLV9151IDBVR, with Active product status, represents the current manufacturing alternative for general-purpose amplifier applications in this performance class.