TLC27M9CDR CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TLC27M9CDR is a LinCMOS™ series CMOS amplifier integrated circuit manufactured by Texas Instruments, containing four independent operational amplifier circuits in a 14-SOIC surface mount package. This device is classified as Active product status and is fully RoHS3 compliant. The TLC27M9CDR is suitable for applications requiring low-power CMOS amplification with moderate bandwidth and slew rate characteristics. Substitute parts are identified based on matching electrical specifications, package compatibility, and operational temperature ranges to ensure functional equivalence in circuit designs.

Substiute Parts

TLC27M9CDR

Texas InstrumentsIn Stock: 15311TLC27M9CDR Datasheet

Current PartRFQ

TS27L4AIDT

STMicroelectronicsIn Stock: 1887TS27L4AIDT Datasheet

MFR RecommendedRFQ

TS27L4CDT

STMicroelectronicsIn Stock: 30238TS27L4CDT Datasheet

MFR RecommendedRFQ

TS27L4IDT

STMicroelectronicsIn Stock: 23476TS27L4IDT Datasheet

MFR RecommendedRFQ

TS27M4IDT

STMicroelectronicsIn Stock: 7922TS27M4IDT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLC27M9CDR are identified based on the following critical parameters that determine functional equivalence:

Core Compatibility Criteria:

• Amplifier Type: CMOS
• Number of Circuits: 4
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Voltage - Supply Span: 3 V to 16 V (minimum and maximum)
• RoHS3 Compliance: Required

Performance Parameters Defining Substitution Groups:

• Slew Rate: 0.04 V/µs to 0.6 V/µs range
• Gain Bandwidth Product: 100 kHz to 1 MHz range
• Current - Input Bias: 0.7 pA to 1 pA
• Voltage - Input Offset: 210 µV to 1.1 mV
• Current - Supply: 10 µA to 570 µA (x4 Channels)
• Current - Output / Channel: 30 mA to 45 mA
• Operating Temperature: 0°C ~ 70°C or -40°C ~ 125°C

Substitute parts maintain the same package footprint and pin configuration, ensuring direct PCB compatibility. All substitute devices are Active status products with RoHS3 compliance and MSL Level 1 rating.

Parameter Comparison

Engineering Selection Recommendations

TS27L4AIDT (STMicroelectronics)

This substitute is suitable for applications where extended operating temperature range (-40°C ~ 125°C) is required beyond the TLC27M9CDR specification (0°C ~ 70°C). The TS27L4AIDT provides significantly lower supply current consumption (10 µA vs. 570 µA), making it advantageous for battery-powered or low-power applications. The reduced slew rate (0.04 V/µs vs. 0.62 V/µs) and lower gain bandwidth product (100 kHz vs. 525 kHz) indicate this device is optimized for low-frequency signal processing. All RoHS3 compliance and MSL Level 1 certifications are maintained.

TS27L4CDT (STMicroelectronics)

This substitute maintains the same operating temperature range as the TLC27M9CDR (0°C ~ 70°C) and is packaged in Cut Tape format. The TS27L4CDT offers identical electrical performance to the TS27L4AIDT with the same low supply current (10 µA) and reduced slew rate characteristics. This device is appropriate for applications with temperature requirements matching the main part but where lower power consumption is beneficial. RoHS3 compliance and MSL Level 1 rating are confirmed.

TS27L4IDT (STMicroelectronics)

This substitute provides extended operating temperature range (-40°C ~ 125°C) with identical electrical specifications to the TS27L4CDT. The TS27L4IDT is packaged in Cut Tape and Digi-Reel® format, offering flexibility in procurement and handling. The low supply current (10 µA) and reduced slew rate (0.04 V/µs) characteristics remain consistent with the TS27L4 series. All compliance certifications are maintained.

TS27M4IDT (STMicroelectronics)

This substitute is selected for applications requiring higher bandwidth performance. The TS27M4IDT provides a gain bandwidth product of 1 MHz (compared to 525 kHz in the TLC27M9CDR) and a slew rate of 0.6 V/µs, closely matching the main part's slew rate specification. The supply current is 150 µA, representing a middle ground between the low-power TS27L4 series and the TLC27M9CDR. Extended operating temperature range (-40°C ~ 125°C) is provided. RoHS3 compliance and MSL Level 1 rating are confirmed.

All substitute parts maintain identical package footprint (14-SOIC), supply voltage range (3 V to 16 V), and output current capability (30 mA to 45 mA per channel), ensuring direct PCB compatibility and functional interchangeability within the specified parameter ranges.

Frequently Asked Questions (FAQ)

Q1: Can TS27L4AIDT be used as a direct replacement for TLC27M9CDR in all applications?

A: TS27L4AIDT is electrically compatible within the 14-SOIC package footprint and supply voltage range. However, the reduced slew rate (0.04 V/µs vs. 0.62 V/µs) and lower gain bandwidth product (100 kHz vs. 525 kHz) make it suitable only for low-frequency applications. Applications requiring the higher bandwidth and slew rate of the TLC27M9CDR should use TS27M4IDT instead.

Q2: What is the primary advantage of TS27L4CDT over TLC27M9CDR?

A: The TS27L4CDT provides significantly lower supply current consumption (10 µA vs. 570 µA), reducing power dissipation and heat generation. This makes it advantageous for battery-powered systems, portable devices, and applications with strict power budgets. The operating temperature range matches the TLC27M9CDR (0°C ~ 70°C).

Q3: Which substitute part should be selected for industrial applications requiring extended temperature operation?

A: TS27L4IDT or TS27M4IDT are recommended for industrial applications requiring extended operating temperature range (-40°C ~ 125°C). TS27M4IDT is preferred if the application requires higher bandwidth (1 MHz) and slew rate (0.6 V/µs) performance matching the TLC27M9CDR.

Q4: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts (TS27L4AIDT, TS27L4CDT, TS27L4IDT, and TS27M4IDT) are RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the TLC27M9CDR compliance status.

Q5: What is the difference between TS27L4CDT and TS27L4IDT?

A: Both devices have identical electrical specifications and package type (14-SOIC). The primary difference is operating temperature range: TS27L4CDT operates 0°C ~ 70°C (matching TLC27M9CDR), while TS27L4IDT operates -40°C ~ 125°C (extended range). TS27L4IDT also offers Digi-Reel® packaging option in addition to Cut Tape.

Q6: Is TS27M4IDT suitable for high-speed signal processing applications?

A: TS27M4IDT provides a gain bandwidth product of 1 MHz and slew rate of 0.6 V/µs, making it suitable for moderate-speed applications. The slew rate closely matches the TLC27M9CDR (0.62 V/µs). For applications requiring significantly higher bandwidth or slew rate, alternative device families should be evaluated.

Q7: Can substitute parts be mixed in the same circuit design?

A: All substitute parts maintain identical pin configuration and 14-SOIC package footprint, allowing them to be used interchangeably on the same PCB. However, circuit performance will vary based on the electrical characteristics of each device. Designs should account for differences in slew rate, bandwidth, and supply current when selecting specific devices for each amplifier stage.

Q8: What packaging formats are available for substitute parts?

A: TS27L4AIDT is available in Tape & Reel (TR) format. TS27L4CDT and TS27M4IDT are available in Cut Tape (CT) format. TS27L4IDT is available in both Cut Tape (CT) and Digi-Reel® formats, providing procurement flexibility.