TLC271CPWRG4 Equivalent & Substitute Parts

Part Overview

The TLC271CPWRG4 is a general-purpose operational amplifier manufactured by Texas Instruments, packaged in 8-TSSOP surface mount configuration with Tape & Reel (TR) packaging. This LinCMOS™ series device operates across a 3V to 16V supply range and is designed for low-power analog signal processing applications.

The TLC271CPWRG4 carries Last Time Buy product status, indicating this part number will be discontinued. Identifying equivalent and substitute parts is essential for design continuity, long-term supply chain planning, and ensuring future product availability for manufacturing and maintenance operations.

Substiute Parts

TLC271CPWRG4

Texas InstrumentsIn Stock: 1078TLC271CPWRG4 Datasheet

Current PartRFQ

TLC271CPWR

Texas InstrumentsIn Stock: 2056TLC271CPWR Datasheet

MFR RecommendedRFQ

TLV9151IDBVR

Texas InstrumentsIn Stock: 2372TLV9151IDBVR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLC271CPWRG4 are identified based on functional equivalence within the following parameter constraints:

Primary Substitution Criteria:

• Amplifier Type: General Purpose
• Number of Circuits: 1
• Supply Voltage Range: Minimum 3V, Maximum 16V
• Mounting Type: Surface Mount
• RoHS3 Compliance
• MSL Level: 1 (Unlimited)

Packaging Consideration: The TLC271CPWRG4 is supplied in Tape & Reel (TR) packaging. Direct equivalents may be available in alternative packaging formats (Cut Tape, Digi-Reel®) that maintain identical electrical performance and mechanical compatibility with the same footprint.

Substitute Categories:

1. Direct Equivalent (Same Package Family): TLC271CPWR maintains identical electrical specifications and 8-TSSOP package footprint, differing only in packaging format (Cut Tape & Digi-Reel® vs. Tape & Reel).

2. Functional Substitute (Enhanced Performance, Different Package): TLV9151IDBVR provides superior electrical performance characteristics (higher slew rate, gain bandwidth product, output current, and extended temperature range) in a different package format (SOT-23-5), suitable for applications where package constraints permit redesign.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Redesign Required):

Select TLC271CPWR when immediate substitution is required without circuit board modifications. This part maintains identical electrical specifications and 8-TSSOP footprint compatibility with the TLC271CPWRG4. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Both parts carry Last Time Buy status, indicating both will eventually be discontinued. Current inventory availability shows TLC271CPWR at 2026 units versus TLC271CPWRG4 at 1034 units.

For Long-Term Supply Continuity:

Select TLV9151IDBVR for new designs or redesign opportunities requiring extended product lifecycle. This part carries Active product status, ensuring long-term availability. The TLV9151IDBVR operates within the same supply voltage range (2.7V to 16V, exceeding the 3V minimum of TLC271CPWRG4) and maintains RoHS3 and MSL Level 1 compliance. Enhanced performance characteristics include 20V/µs slew rate (versus 5.3V/µs), 4.5MHz gain bandwidth product (versus 2.2MHz), and 75mA output current (versus 30mA). Extended operating temperature range (-40°C to 125°C) supports broader application environments. Package change from 8-TSSOP to SOT-23-5 requires PCB layout modification.

Compliance Verification:

All three parts maintain ROHS3 compliance, MSL Level 1 (Unlimited) moisture sensitivity, and REACH Unaffected status, satisfying regulatory requirements for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can TLC271CPWR be used as a direct drop-in replacement for TLC271CPWRG4?

A: Yes. TLC271CPWR provides identical electrical specifications and 8-TSSOP package footprint. The difference is packaging format: TLC271CPWRG4 uses Tape & Reel (TR) while TLC271CPWR uses Cut Tape (CT) & Digi-Reel®. Both are surface mount components with the same PCB footprint and soldering requirements. No circuit modifications are necessary.

Q: Why would I choose TLV9151IDBVR over TLC271CPWR?

A: TLV9151IDBVR is selected when design requirements include higher performance specifications or extended product lifecycle. Key advantages are: Active product status (versus Last Time Buy), extended operating temperature range (-40°C to 125°C versus 0°C to 70°C), higher slew rate (20V/µs versus 5.3V/µs), higher gain bandwidth product (4.5MHz versus 2.2MHz), and greater output current capability (75mA versus 30mA). The trade-off is package change from 8-TSSOP to SOT-23-5, requiring PCB redesign.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Both are surface mount packaging formats for automated assembly. Tape & Reel (TR) supplies components on continuous carrier tape wound on reels, optimized for high-volume production. Cut Tape (CT) & Digi-Reel® supplies the same components on cut tape segments or alternative reel formats, suitable for lower-volume or mixed-component orders. Electrical and mechanical specifications are identical; only the supply format differs.

Q: Are all three parts RoHS3 compliant?

A: Yes. TLC271CPWRG4, TLC271CPWR, and TLV9151IDBVR all carry ROHS3 Compliant status and MSL Level 1 (Unlimited) moisture sensitivity rating, meeting environmental and regulatory requirements for industrial applications.

Q: What does "Last Time Buy" product status mean?

A: Last Time Buy indicates the manufacturer will discontinue this part number. Customers must place final orders within a specified window before production ends. Both TLC271CPWRG4 and TLC271CPWR carry this status. For long-term supply security, TLV9151IDBVR (Active status) is the recommended alternative.

Q: Can TLV9151IDBVR operate at 3V minimum supply voltage like TLC271CPWRG4?

A: TLV9151IDBVR operates at a lower minimum supply voltage of 2.7V, which is compatible with 3V supply designs. The 2.7V minimum provides additional design margin and supports lower-voltage applications. Maximum supply voltage remains 16V for both parts.

Q: What is the impact of different package types on PCB design?

A: TLC271CPWRG4 and TLC271CPWR use 8-TSSOP package (0.173" width, 4.40mm), requiring identical PCB footprints and land patterns. TLV9151IDBVR uses SOT-23-5 package (SC-74A, SOT-753), which has a different footprint and pin configuration. Switching to TLV9151IDBVR requires complete PCB layout redesign, including new footprint placement, trace routing, and via positioning.