TLC271IDRG4 Equivalent & Substitute Parts

Part Overview

The TLC271IDRG4 is a general purpose operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This LinCMOS™ series device is designed for low-power analog signal processing applications requiring single-circuit amplification. The TLC271IDRG4 is currently discontinued at DiGi Electronics, necessitating identification of equivalent substitute components that maintain electrical and mechanical compatibility for ongoing production and maintenance requirements.

Substiute Parts

TLC271IDRG4

Texas InstrumentsIn Stock: 1120TLC271IDRG4 Datasheet

Current PartRFQ

TLC271IDR

Texas InstrumentsIn Stock: 16312TLC271IDR Datasheet

MFR RecommendedRFQ

TLC27L1CS-13

Diodes IncorporatedIn Stock: 3636TLC27L1CS-13 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the TLC271IDRG4 are identified based on strict electrical and mechanical parameter alignment. The substitution logic is governed by the following criteria:

Primary Substitution Criteria:

• Identical package type: 8-SOIC surface mount configuration
• Matching pin count and pinout compatibility
• Single-circuit amplifier topology
• Supply voltage range compatibility: minimum 4V, maximum 16V
• Output current capability: 30 mA per channel
• RoHS3 compliance and MSL Level 1 rating

Identified Substitute Parts:

1. TLC271IDR (Texas Instruments) — Manufacturer-recommended substitute with identical electrical specifications and LinCMOS™ series continuity. Differs only in packaging format (Cut Tape and Digi-Reel® versus Digi-Reel®) and product status (Last Time Buy versus Discontinued).

2. TLC27L1CS-13 (Diodes Incorporated) — Alternative substitute with compatible 8-SOIC package and surface mount configuration. Operates within the same supply voltage range (3V to 16V minimum/maximum). Electrical performance differs in slew rate, gain bandwidth product, input offset voltage, and supply current, reflecting CMOS amplifier architecture versus LinCMOS™ design.

Parameter Comparison

Engineering Selection Recommendations

TLC271IDR Selection: The TLC271IDR is the primary substitute for the TLC271IDRG4. Both components are manufactured by Texas Instruments and share identical electrical specifications, including slew rate (5.3 V/µs), gain bandwidth product (2.2 MHz), input offset voltage (1.1 mV), and supply current (950 µA). The TLC271IDR maintains LinCMOS™ series continuity and is RoHS3 compliant with MSL Level 1 rating. The component is in Last Time Buy status, providing extended availability compared to the discontinued TLC271IDRG4. Mechanical compatibility is confirmed through identical 8-SOIC package configuration and surface mount mounting type.

TLC27L1CS-13 Selection: The TLC27L1CS-13 is an alternative substitute manufactured by Diodes Incorporated. This component provides mechanical compatibility through identical 8-SOIC package and surface mount configuration. The TLC27L1CS-13 is currently in Active product status, ensuring long-term availability. However, electrical performance differs significantly: slew rate is reduced to 0.04 V/µs (versus 5.3 V/µs), gain bandwidth product is 110 kHz (versus 2.2 MHz), input offset voltage is 10 mV (versus 1.1 mV), and supply current is 14 µA (versus 950 µA). The operating temperature range is narrower (0°C to 70°C versus -40°C to 85°C). The TLC27L1CS-13 is suitable only for applications where reduced bandwidth, lower slew rate, and narrower temperature range are acceptable. Both components maintain RoHS3 compliance and MSL Level 1 rating.

Frequently Asked Questions (FAQ)

Q: Can the TLC271IDR directly replace the TLC271IDRG4 without circuit modification?

A: Yes. The TLC271IDR is electrically and mechanically identical to the TLC271IDRG4. Both components share the same slew rate (5.3 V/µs), gain bandwidth product (2.2 MHz), input offset voltage (1.1 mV), supply current (950 µA), and output current capability (30 mA). The 8-SOIC package and pinout are identical. No circuit modification is required.

Q: What are the key differences between TLC271IDR and TLC27L1CS-13?

A: The TLC271IDR and TLC27L1CS-13 differ in amplifier architecture and performance characteristics. The TLC271IDR is a LinCMOS™ general purpose amplifier with 5.3 V/µs slew rate and 2.2 MHz bandwidth. The TLC27L1CS-13 is a CMOS amplifier with 0.04 V/µs slew rate and 110 kHz bandwidth. The TLC27L1CS-13 operates at lower supply current (14 µA versus 950 µA) and has higher input offset voltage (10 mV versus 1.1 mV). Operating temperature range differs: TLC271IDR supports -40°C to 85°C; TLC27L1CS-13 supports 0°C to 70°C. Both use identical 8-SOIC packages.

Q: Is the TLC27L1CS-13 suitable as a substitute in all applications?

A: No. The TLC27L1CS-13 is suitable only for applications where reduced bandwidth and lower slew rate are acceptable. Applications requiring high-speed signal processing, wide temperature operation (-40°C to 85°C), or tight input offset voltage specifications (1.1 mV) should use the TLC271IDR. The TLC27L1CS-13 is appropriate for low-power, low-frequency analog signal conditioning within the 0°C to 70°C temperature range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The TLC271IDR and TLC27L1CS-13 are both RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the TLC271IDRG4 compliance profile.

Q: What is the difference between packaging formats (Digi-Reel® versus Cut Tape)?

A: Packaging format differences do not affect electrical or mechanical compatibility. The TLC271IDRG4 is supplied in Digi-Reel® format; the TLC271IDR is available in both Cut Tape (CT) and Digi-Reel® formats. Both formats contain identical components in 8-SOIC packages. Selection depends on production volume and handling requirements.

Q: Which substitute should be selected for new designs?

A: For new designs, the TLC27L1CS-13 is recommended due to Active product status and long-term availability. However, if the application requires the electrical performance characteristics of the original TLC271IDRG4 (5.3 V/µs slew rate, 2.2 MHz bandwidth, -40°C to 85°C operation), the TLC271IDR is the appropriate selection despite Last Time Buy status.