TLC27L4IPWR CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TLC27L4IPWR is a CMOS amplifier integrated circuit manufactured by Texas Instruments, containing four independent amplifier circuits in a 14-TSSOP surface mount package. This device is classified as a linear amplifier and is currently in active production status. The TLC27L4IPWR is used in applications requiring low-power CMOS amplification with rail-to-rail input and output capabilities across a wide supply voltage range.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory availability changes, or when specific performance parameters align with application specifications. Substitution eligibility is determined by matching critical electrical parameters, package compatibility, and operational specifications.

Substiute Parts

TLC27L4IPWR

Texas InstrumentsIn Stock: 16895TLC27L4IPWR Datasheet

Current PartRFQ

TS27L4IPT

STMicroelectronicsIn Stock: 35507TS27L4IPT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC27L4IPWR is determined by strict alignment of the following critical parameters:

Package Compatibility: Both the main part and substitute must use the 14-TSSOP surface mount package with identical physical dimensions (0.173", 4.40mm Width) to ensure PCB layout compatibility without redesign.

Circuit Configuration: The substitute must contain exactly four independent amplifier circuits to maintain functional equivalence in multi-channel applications.

Electrical Operating Range: The substitute supply voltage span must encompass or exceed the application requirements. The TLC27L4IPWR operates from 4V to 16V minimum; substitutes must support this range or a compatible subset.

Amplifier Type: Both devices must be CMOS-based amplifiers to ensure similar input impedance characteristics, bias current behavior, and power consumption profiles.

Compliance and Certifications: Both parts must maintain ROHS3 compliance and identical moisture sensitivity levels to ensure manufacturing process compatibility and long-term reliability.

The TS27L4IPT from STMicroelectronics meets all substitution criteria based on these parameters.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (TLC27L4IPWR): Use the TLC27L4IPWR when Texas Instruments sourcing is preferred or when supply chain allocation favors this manufacturer. This device is in active production with 16,875 units in current inventory stock.

Substitute Selection (TS27L4IPT): The TS27L4IPT from STMicroelectronics is a direct functional equivalent suitable for applications where the following conditions are met:

The application supply voltage operates at 3V or higher (TS27L4IPT minimum specification is 3V versus TLC27L4IPWR minimum of 4V).

The application operating temperature range does not exceed 85°C, or the extended temperature capability of the TS27L4IPT (-40°C to 125°C) is acceptable for the design.

The application can tolerate the TS27L4IPT's lower supply current (10µA total versus 57µA for TLC27L4IPWR), which represents improved power efficiency.

The application can tolerate the TS27L4IPT's higher output current capability (45mA per channel versus 30mA for TLC27L4IPWR).

Both devices maintain identical RoHS3 compliance and MSL ratings, ensuring manufacturing process compatibility. Both are in active production status with substantial inventory availability (TS27L4IPT: 35,400 units in stock).

Frequently Asked Questions (FAQ)

Q: Can the TS27L4IPT replace the TLC27L4IPWR in all applications?

A: The TS27L4IPT is functionally equivalent for applications operating within the overlapping parameter ranges. Both devices use identical 14-TSSOP packaging, contain four CMOS amplifier circuits, and support 4V to 16V supply operation. The TS27L4IPT offers extended temperature range (-40°C to 125°C) and lower supply current consumption. Substitution is valid when application requirements do not mandate the specific performance characteristics unique to either device.

Q: What are the key differences between TLC27L4IPWR and TS27L4IPT?

A: The primary differences are: (1) Minimum supply voltage: TLC27L4IPWR requires 4V minimum; TS27L4IPT operates from 3V minimum. (2) Operating temperature range: TLC27L4IPWR operates -40°C to 85°C; TS27L4IPT extends to 125°C. (3) Supply current: TLC27L4IPWR draws 57µA total; TS27L4IPT draws 10µA total. (4) Output current: TLC27L4IPWR provides 30mA per channel; TS27L4IPT provides 45mA per channel. (5) Slew rate: TLC27L4IPWR is 0.05V/µs; TS27L4IPT is 0.04V/µs. (6) Gain bandwidth product: TLC27L4IPWR is 110kHz; TS27L4IPT is 100kHz.

Q: Are both devices pin-compatible?

A: Yes. Both the TLC27L4IPWR and TS27L4IPT use the 14-TSSOP package with identical pin assignments and physical dimensions (0.173", 4.40mm Width). Direct PCB substitution is possible without layout modification.

Q: What is the packaging difference between TLC27L4IPWR and TS27L4IPT?

A: The TLC27L4IPWR is supplied in Tape & Reel (TR) packaging. The TS27L4IPT is supplied in Cut Tape (CT) and Digi-Reel® packaging. Both use the same 14-TSSOP component package. The difference is in the carrier format for automated assembly processes.

Q: Which device should be selected for low-power applications?

A: The TS27L4IPT is the preferred choice for low-power applications. It consumes 10µA total supply current across four channels compared to 57µA for the TLC27L4IPWR, representing an 82% reduction in quiescent current consumption.

Q: Are both devices RoHS compliant?

A: Yes. Both the TLC27L4IPWR and TS27L4IPT are ROHS3 compliant and carry MSL rating of 1 (Unlimited), indicating identical environmental compliance and moisture sensitivity characteristics.