TLC27L7CP Equivalent & Substitute Parts

Part Overview

The TLC27L7CP is a CMOS amplifier integrated circuit manufactured by Texas Instruments, configured as a dual-channel operational amplifier in an 8-pin DIP package. This device operates across a wide supply voltage range of 3V to 16V and is designed for low-power applications requiring minimal input bias current. The TLC27L7CP is designated as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure continued availability for new designs, maintenance applications, and production continuity.

Substiute Parts

TLC27L7CP

Texas InstrumentsIn Stock: 1283TLC27L7CP Datasheet

Current PartRFQ

TLC27L7CDR

Texas InstrumentsIn Stock: 2093TLC27L7CDR Datasheet

MFR RecommendedRFQ

NJM13404D#

Nisshinbo Micro Devices Inc.In Stock: 817NJM13404D# Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC27L7CP is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

• Amplifier type classification (CMOS vs. General Purpose)
• Number of circuits (dual-channel configuration)
• Slew rate performance (0.03 V/µs baseline)
• Gain bandwidth product (110 kHz baseline)
• Input bias current characteristics (0.6 pA baseline)
• Input offset voltage (1.1 mV baseline)
• Supply current per channel (20 µA baseline)
• Output current capability per channel (30 mA baseline)
• Supply voltage range (3V to 16V operating window)
• Operating temperature range (0°C to 70°C baseline)

Mechanical Compatibility Criteria:

• Package type (8-DIP through-hole mounting)
• Pin count and pitch (8-pin, 0.300" spacing)
• Mounting technology (through-hole vs. surface mount)

Substitutes are classified into two categories:

Category 1: Direct Electrical & Mechanical Equivalents Parts that maintain identical electrical specifications and package type, differing only in packaging format (tube vs. tape & reel) or product status.

Category 2: Functional Equivalents with Parameter Variations Parts that provide dual-channel amplification in compatible packages but with different amplifier type classification or performance characteristics outside the baseline specifications.

Parameter Comparison

Engineering Selection Recommendations

TLC27L7CDR (Texas Instruments)

The TLC27L7CDR is the manufacturer-recommended substitute for the TLC27L7CP. This part maintains identical electrical specifications across all measured parameters: slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current capability. Both devices operate within the same 3V to 16V supply range and 0°C to 70°C temperature window. The TLC27L7CDR is manufactured by Texas Instruments, the original equipment manufacturer of the TLC27L7CP, ensuring design continuity and performance consistency.

The primary difference is packaging format: TLC27L7CDR is supplied in 8-SOIC surface-mount configuration with tape & reel packaging, whereas TLC27L7CP uses 8-DIP through-hole packaging in tube format. The TLC27L7CDR carries Active product status, ensuring continued availability and manufacturing support. Both parts are ROHS3 compliant and carry identical REACH and ECCN classifications.

Selection of TLC27L7CDR is appropriate for new designs utilizing surface-mount assembly processes or for applications where component miniaturization is required. Through-hole assembly applications should evaluate board redesign feasibility.

NJM13404D# (Nisshinbo Micro Devices Inc.)

The NJM13404D# is a functional substitute providing dual-channel amplification in an 8-DIP through-hole package compatible with the TLC27L7CP mounting footprint. This part maintains the same package type and pin count, enabling direct socket replacement without PCB modification.

However, the NJM13404D# is classified as a General Purpose amplifier rather than CMOS, resulting in significant performance differences. The NJM13404D# exhibits substantially higher slew rate (1.2 V/µs vs. 0.03 V/µs), higher gain bandwidth product (2 MHz vs. 110 kHz), and higher input bias current (25 nA vs. 0.6 pA). Supply current consumption is 100 times higher (2 mA vs. 20 µA per channel). The NJM13404D# operates across a narrower supply voltage range (2V to 14V) and supports an extended temperature range (-40°C to 85°C).

The NJM13404D# is suitable for applications where higher bandwidth and faster slew rate are beneficial, and where the increased power consumption is acceptable. This substitute is not appropriate for low-power or ultra-low-bias-current applications designed around the TLC27L7CP specifications.

Frequently Asked Questions (FAQ)

Q: Can the TLC27L7CDR directly replace the TLC27L7CP in existing through-hole PCB designs?

A: No. The TLC27L7CDR uses 8-SOIC surface-mount packaging (0.154" width) whereas the TLC27L7CP uses 8-DIP through-hole packaging (0.300" width). PCB footprint and assembly process modifications are required. For through-hole applications, the NJM13404D# maintains compatible 8-DIP packaging.

Q: What are the key electrical differences between TLC27L7CP and NJM13404D#?

A: The NJM13404D# operates as a General Purpose amplifier with significantly higher performance metrics: 40× faster slew rate (1.2 vs. 0.03 V/µs), 18× higher gain bandwidth product (2 MHz vs. 110 kHz), and 41,667× higher input bias current (25 nA vs. 0.6 pA). Supply current consumption is 100× higher per channel (2 mA vs. 20 µA). These differences make the NJM13404D# unsuitable for applications requiring ultra-low input bias current or minimal power consumption.

Q: Is the TLC27L7CDR suitable for low-power battery-operated applications?

A: Yes. The TLC27L7CDR maintains identical supply current specifications to the TLC27L7CP (20 µA per channel) and operates across the same 3V to 16V supply range. The primary consideration is packaging format: surface-mount assembly is required rather than through-hole.

Q: What compliance certifications apply to all three parts?

A: All three parts carry REACH Unaffected status and EAR99 ECCN classification. The TLC27L7CP and TLC27L7CDR are ROHS3 compliant. The NJM13404D# is RoHS compliant. Verify specific compliance requirements for your application and regulatory jurisdiction.

Q: Can the NJM13404D# be used in applications designed for the TLC27L7CP?

A: Functional compatibility depends on application requirements. The NJM13404D# provides dual-channel amplification in a compatible 8-DIP package, enabling direct socket replacement. However, the significantly different electrical characteristics (higher bandwidth, higher input bias current, higher power consumption) may alter circuit behavior. Applications sensitive to input bias current, slew rate, or power consumption require circuit analysis and testing before substitution.

Q: What is the inventory status of available substitutes?

A: TLC27L7CP inventory is 1,273 pieces (Last Time Buy status). TLC27L7CDR inventory is 2,034 pieces (Active status). NJM13404D# inventory is 776 pieces (Active status). For long-term production requirements, TLC27L7CDR is recommended due to Active product status and higher available inventory.