TLC27M4ID Equivalent & Substitute Parts

Part Overview

The TLC27M4ID is a general-purpose operational amplifier manufactured by Texas Instruments, featuring four independent circuits in a 14-SOIC surface-mount package. This LinCMOS™ series device operates across a 4V to 16V supply range with a slew rate of 0.62V/µs and gain bandwidth product of 525 kHz. The TLC27M4ID is designated as Last Time Buy, indicating discontinued production status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	TLC27M4ID	—
Manufacturer	Texas Instruments	—
Number of Circuits	4	—
Amplifier Type	General Purpose	—
Slew Rate	0.62	V/µs
Gain Bandwidth Product	525	kHz
Current - Input Bias	0.7	pA
Voltage - Input Offset	1.1	mV
Current - Supply (x4 Channels)	570	µA
Current - Output / Channel	30	mA
Voltage - Supply Span (Min)	4	V
Voltage - Supply Span (Max)	16	V
Operating Temperature	-40 to 85	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the TLC27M4ID is determined by strict alignment across the following critical parameters:

Primary Substitution Criteria:

Number of circuits: 4 independent amplifier circuits required
Package type: 14-SOIC surface-mount configuration
Supply voltage range: Minimum 4V to maximum 16V compatibility
Operating temperature range: Must encompass or match -40°C to 85°C
Mounting type: Surface mount only
RoHS and compliance status: ROHS3 compliant, REACH unaffected

Secondary Performance Parameters:

Slew rate: 0.62V/µs (TLC27M4ID baseline)
Gain bandwidth product: 525 kHz (TLC27M4ID baseline)
Input bias current: 0.7 pA (TLC27M4ID baseline)
Input offset voltage: 1.1 mV (TLC27M4ID baseline)
Supply current: 570µA across four channels (TLC27M4ID baseline)
Output current per channel: 30 mA (TLC27M4ID baseline)

Substitute parts are grouped into two categories:

Category 1: Direct Packaging Equivalent (Tape & Reel) TLC27M4IDR maintains identical electrical specifications and performance characteristics as TLC27M4ID, with the only difference being packaging format (Tape & Reel versus Tube). This part is suitable for direct substitution in production environments.

Category 2: Functional Equivalents with Performance Variations STMicroelectronics TS27 series parts (TS27L4AIDT, TS27L4CDT, TS27L4IDT, TS27M4CDT, TS27M4IDT) provide four-circuit CMOS amplifier functionality in identical 14-SOIC packages. These parts differ in slew rate, gain bandwidth product, supply current, and operating temperature ranges. Selection depends on application-specific performance requirements and temperature operating conditions.

Parameter Comparison

Parameter	TLC27M4ID	TLC27M4IDR	TS27L4AIDT	TS27L4CDT	TS27L4IDT	TS27M4CDT	TS27M4IDT
Manufacturer	Texas Instruments	Texas Instruments	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Number of Circuits	4	4	4	4	4	4	4
Amplifier Type	General Purpose	General Purpose	CMOS	CMOS	CMOS	CMOS	CMOS
Slew Rate (V/µs)	0.62	0.62	0.04	0.04	0.04	0.6	0.6
Gain Bandwidth Product (kHz)	525	525	100	100	100	1000	1000
Current - Input Bias (pA)	0.7	0.7	1	1	1	1	1
Voltage - Input Offset (mV)	1.1	1.1	0.9	1.1	1.1	1.1	1.1
Current - Supply (µA, x4 Channels)	570	570	10	10	10	150	150
Current - Output / Channel (mA)	30	30	45	45	45	45	45
Voltage - Supply Span Min (V)	4	4	3	3	3	3	3
Voltage - Supply Span Max (V)	16	16	16	16	16	16	16
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	0 to 70	-40 to 125	0 to 70	-40 to 125
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Last Time Buy	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

TLC27M4IDR (Texas Instruments, Tape & Reel)

TLC27M4IDR is the primary recommended substitute for TLC27M4ID. This part maintains identical electrical specifications, performance characteristics, and operating parameters. The only distinction is packaging format: TLC27M4IDR is supplied in Tape & Reel configuration rather than Tube. This part is currently in Active product status with 5400 units in stock, ensuring supply continuity. TLC27M4IDR is ROHS3 compliant and REACH unaffected, meeting all regulatory requirements. Selection of TLC27M4IDR requires no circuit redesign or performance re-evaluation.

TS27L4IDT (STMicroelectronics, Cut Tape & Digi-Reel)

TS27L4IDT is suitable for applications where lower supply current consumption is prioritized. This part operates at 10µA total supply current (versus 570µA for TLC27M4ID), representing a 57-fold reduction in quiescent power consumption. However, TS27L4IDT exhibits significantly reduced slew rate (0.04V/µs versus 0.62V/µs) and gain bandwidth product (100 kHz versus 525 kHz). TS27L4IDT supports extended operating temperature range (-40°C to 125°C) and is currently Active with 23,400 units in stock. This part is ROHS3 compliant and REACH unaffected. Selection requires circuit performance re-evaluation for applications sensitive to slew rate or bandwidth limitations.

TS27M4IDT (STMicroelectronics, Cut Tape)

TS27M4IDT provides intermediate performance between TLC27M4ID and TS27L4IDT. This part offers slew rate of 0.6V/µs and gain bandwidth product of 1 MHz, closely matching TLC27M4ID performance. Supply current is 150µA (versus 570µA for TLC27M4ID), providing 3.8-fold reduction in quiescent power. TS27M4IDT supports extended operating temperature range (-40°C to 125°C) and is currently Active with 7,910 units in stock. This part is ROHS3 compliant and REACH unaffected. Selection of TS27M4IDT is appropriate for applications requiring performance characteristics similar to TLC27M4ID with reduced power consumption and extended temperature operation.

TS27L4AIDT (STMicroelectronics, Tape & Reel)

TS27L4AIDT is suitable for low-power applications with relaxed bandwidth requirements. This part operates at 10µA total supply current with slew rate of 0.04V/µs and gain bandwidth product of 100 kHz. TS27L4AIDT supports extended operating temperature range (-40°C to 125°C) and is currently Active with 1,844 units in stock. This part is ROHS3 compliant and REACH unaffected. Selection requires circuit performance re-evaluation for applications sensitive to slew rate or bandwidth limitations.

TS27L4CDT (STMicroelectronics, Cut Tape)

TS27L4CDT is suitable for commercial-temperature applications with low-power requirements. This part operates at 10µA total supply current with slew rate of 0.04V/µs and gain bandwidth product of 100 kHz. Operating temperature range is 0°C to 70°C, which is narrower than TLC27M4ID. TS27L4CDT is currently Active with 30,200 units in stock, the highest inventory level among all substitutes. This part is ROHS3 compliant and REACH unaffected. Selection requires verification that operating temperature range meets application requirements and circuit performance re-evaluation for bandwidth-sensitive applications.

TS27M4CDT (STMicroelectronics, Cut Tape & Digi-Reel)

TS27M4CDT provides performance characteristics similar to TS27M4IDT with slew rate of 0.6V/µs and gain bandwidth product of 1 MHz. Supply current is 150µA. Operating temperature range is 0°C to 70°C, which is narrower than TLC27M4ID. TS27M4CDT is currently Active with 5,450 units in stock. This part is ROHS3 compliant and REACH unaffected. Selection requires verification that operating temperature range meets application requirements.

Frequently Asked Questions (FAQ)

Q1: Can TLC27M4IDR be used as a direct replacement for TLC27M4ID?

Yes. TLC27M4IDR is electrically and functionally identical to TLC27M4ID. The only difference is packaging format: TLC27M4IDR is supplied in Tape & Reel configuration while TLC27M4ID is supplied in Tube. No circuit modifications, performance re-evaluation, or testing are required. TLC27M4IDR is currently in Active product status with adequate inventory.

Q2: What are the key differences between TLC27M4ID and TS27 series substitutes?

TLC27M4ID and TS27 series parts differ in slew rate, gain bandwidth product, supply current, and operating temperature range. TLC27M4ID operates at 0.62V/µs slew rate and 525 kHz bandwidth with 570µA supply current across -40°C to 85°C. TS27L4 series operates at 0.04V/µs slew rate and 100 kHz bandwidth with 10µA supply current. TS27M4 series operates at 0.6V/µs slew rate and 1 MHz bandwidth with 150µA supply current. Selection depends on application-specific performance and power consumption requirements.

Q3: Which substitute part offers the lowest power consumption?

TS27L4AIDT, TS27L4CDT, and TS27L4IDT all operate at 10µA total supply current, representing a 57-fold reduction compared to TLC27M4ID at 570µA. These parts are suitable for battery-powered or low-power applications. However, they exhibit reduced slew rate (0.04V/µs) and gain bandwidth product (100 kHz), which may limit performance in high-frequency or fast-transient applications.

Q4: Which substitute part offers performance closest to TLC27M4ID?

TS27M4IDT provides the closest performance match to TLC27M4ID. This part offers slew rate of 0.6V/µs (versus 0.62V/µs) and gain bandwidth product of 1 MHz (versus 525 kHz), with only a 3.8-fold reduction in supply current (150µA versus 570µA). TS27M4IDT supports extended operating temperature range (-40°C to 125°C) and is currently Active with adequate inventory.

Q5: Are all substitute parts compatible with the 14-SOIC package footprint?

Yes. All substitute parts listed are supplied in 14-SOIC (0.154", 3.90mm Width) surface-mount packages. PCB footprints and land patterns are identical across all parts. No PCB redesign is required for package compatibility.

Q6: Do all substitute parts meet RoHS and REACH compliance requirements?

Yes. All substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of TLC27M4ID. All parts are suitable for applications requiring environmental and regulatory compliance.

Q7: What is the operating temperature range difference between TLC27M4ID and substitute parts?

TLC27M4ID operates across -40°C to 85°C. TS27L4AIDT and TS27L4IDT support extended range (-40°C to 125°C). TS27M4IDT supports extended range (-40°C to 125°C). TS27L4CDT and TS27M4CDT support narrower commercial range (0°C to 70°C). Applications requiring operation below 0°C or above 85°C must select parts with appropriate temperature ratings.

Q8: Can TS27L4 series parts be used in applications requiring high slew rate performance?

No. TS27L4 series parts operate at 0.04V/µs slew rate, which is 15.5 times slower than TLC27M4ID at 0.62V/µs. Applications requiring fast transient response or high-frequency signal processing should select TS27M4 series parts (0.6V/µs) or TLC27M4IDR (0.62V/µs).

Q9: What is the inventory status of each substitute part?

TLC27M4IDR: 5,400 units. TS27L4AIDT: 1,844 units. TS27L4CDT: 30,200 units (highest inventory). TS27L4IDT: 23,400 units. TS27M4CDT: 5,450 units. TS27M4IDT: 7,910 units. TS27L4CDT offers the highest availability for immediate procurement.

Q10: What packaging formats are available for substitute parts?

TLC27M4IDR is supplied in Tape & Reel (TR). TS27L4AIDT is supplied in Tape & Reel (TR). TS27L4CDT is supplied in Cut Tape (CT). TS27L4IDT is supplied in Cut Tape (CT) & Digi-Reel. TS27M4CDT is supplied in Cut Tape (CT) & Digi-Reel. TS27M4IDT is supplied in Cut Tape (CT). Selection depends on assembly process requirements and procurement preferences.

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