TLC27M7ID CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TLC27M7ID is a dual-channel CMOS operational amplifier manufactured by Texas Instruments in the LinCMOS™ series. This device is packaged in an 8-SOIC surface mount configuration and operates across a 4V to 16V supply voltage range with an operating temperature range of -40°C to 85°C. The part is currently in Last Time Buy status, indicating that Texas Instruments has discontinued active production. 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 the TLC27M7ID.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Slew Rate	0.62	V/µs
Gain Bandwidth Product	635	kHz
Current - Input Bias	0.7	pA
Voltage - Input Offset	190	µV
Current - Supply (x2 Channels)	285	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	8-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 of the TLC27M7ID is determined by strict alignment of electrical and mechanical parameters within the CMOS dual-channel amplifier category. The critical parameters governing substitution eligibility are:

Primary Substitution Criteria:

Amplifier Type: CMOS
Number of Circuits: 2 channels
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 4V, Maximum 16V
Operating Temperature Range: Must encompass or match -40°C to 85°C

Secondary Electrical Parameters:

Slew Rate: 0.62 V/µs (baseline)
Gain Bandwidth Product: 635 kHz (baseline)
Current - Input Bias: 0.7 pA (baseline)
Voltage - Input Offset: 190 µV (baseline)
Current - Supply: 285 µA per dual channels (baseline)
Current - Output / Channel: 30 mA (baseline)

Substitute parts are grouped into two categories:

Category A - Direct Packaging Equivalent (Tube): TLC27M7IDR is the direct equivalent with identical electrical specifications but supplied in Tape & Reel packaging instead of Tube. This part maintains all electrical parameters and is the manufacturer-recommended substitute for inventory continuity.

Category B - Functional Alternatives (STMicroelectronics TS272 Series): Parts TS272ACDT, TS272AIDT, TS272BIDT, TS272CDT, and TS272IDT are CMOS dual-channel amplifiers in 8-SOIC packaging with enhanced electrical performance characteristics. These parts operate within the same supply voltage range (3V to 16V minimum, 16V maximum) and support the required operating temperature range. However, they exhibit higher slew rates (5.5 V/µs), higher gain bandwidth products (3.5 MHz), and higher supply current (1 mA per dual channels), making them suitable for applications requiring faster response times.

Category C - Low-Power Alternatives (STMicroelectronics TS27L2 Series): Parts TS27L2ACDT, TS27L2AIDT, and TS27L2BIDT are ultra-low-power CMOS dual-channel amplifiers with significantly reduced supply current (10 µA per dual channels) and lower slew rates (0.04 V/µs). These parts are appropriate for battery-powered or energy-constrained applications where the TLC27M7ID's performance envelope is not required.

Category D - General Purpose Alternative: LM432MA/NOPB is a general-purpose dual-channel amplifier with different electrical characteristics (1 MHz gain bandwidth product, 3 nA input bias current, 150 µA supply current). This part is currently Obsolete and is listed for reference only; it is not recommended for new designs.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (kHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Temp Range (°C)	Product Status	Packaging
TLC27M7ID	Texas Instruments	CMOS	0.62	635	0.7	190	285	30	-40 to 85	Last Time Buy	Tube
TLC27M7IDR	Texas Instruments	CMOS	0.62	635	0.7	190	285	30	-40 to 85	Active	Tape & Reel
TS272ACDT	STMicroelectronics	CMOS	5.5	3500	1	900	1000	45	0 to 70	Active	Cut Tape
TS272AIDT	STMicroelectronics	CMOS	5.5	3500	1	900	1000	45	-40 to 125	Active	Cut Tape
TS272BIDT	STMicroelectronics	CMOS	5.5	3500	1	250	1000	45	-40 to 125	Active	Tape & Reel
TS272CDT	STMicroelectronics	CMOS	5.5	3500	1	1100	1000	45	0 to 70	Active	Cut Tape
TS272IDT	STMicroelectronics	CMOS	5.5	3500	1	1100	1000	45	-40 to 125	Active	Tape & Reel
TS27L2ACDT	STMicroelectronics	CMOS	0.04	100	1	900	10	45	0 to 70	Active	Tape & Reel
TS27L2AIDT	STMicroelectronics	CMOS	0.04	100	1	1100	10	45	-40 to 125	Active	Cut Tape
TS27L2BIDT	STMicroelectronics	CMOS	0.04	100	1	250	10	45	-40 to 125	Active	Tape & Reel
LM432MA/NOPB	Texas Instruments	General Purpose	—	1000	3000	600	150	30	-40 to 85	Obsolete	Tube

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

TLC27M7IDR is the primary recommended substitute. This part is manufactured by Texas Instruments, maintains all electrical specifications of the TLC27M7ID, and is currently in Active product status. The only difference is packaging format: TLC27M7IDR is supplied in Tape & Reel configuration rather than Tube. This part is suitable for applications requiring identical performance characteristics and is the manufacturer-recommended path for design continuity.

For Enhanced Performance Applications:

The STMicroelectronics TS272 series (TS272ACDT, TS272AIDT, TS272BIDT, TS272CDT, TS272IDT) offers significantly improved electrical performance with 5.5 V/µs slew rate and 3.5 MHz gain bandwidth product compared to the TLC27M7ID baseline of 0.62 V/µs and 635 kHz. These parts are suitable for applications requiring faster transient response and higher bandwidth. All TS272 variants are in Active product status. Selection among TS272 variants depends on operating temperature requirements and packaging preference:

TS272AIDT and TS272BIDT support -40°C to 125°C operating range
TS272ACDT and TS272CDT support 0°C to 70°C operating range
TS272BIDT and TS272IDT are supplied in Tape & Reel packaging
TS272ACDT and TS272CDT are supplied in Cut Tape packaging

For Low-Power Applications:

The STMicroelectronics TS27L2 series (TS27L2ACDT, TS27L2AIDT, TS27L2BIDT) provides ultra-low supply current of 10 µA per dual channels, compared to 285 µA for the TLC27M7ID. These parts are appropriate for battery-powered or energy-constrained designs where power consumption is the primary design constraint. All TS27L2 variants are in Active product status. Selection among TS27L2 variants depends on operating temperature and packaging requirements:

TS27L2AIDT and TS27L2BIDT support -40°C to 125°C operating range
TS27L2ACDT supports 0°C to 70°C operating range
TS27L2ACDT and TS27L2BIDT are supplied in Tape & Reel packaging
TS27L2AIDT is supplied in Cut Tape packaging

Compliance and Certification:

All recommended substitute parts are ROHS3 Compliant, have Moisture Sensitivity Level 1 (Unlimited), and are REACH Unaffected. These certifications match the TLC27M7ID compliance profile.

Parts Not Recommended:

LM432MA/NOPB is currently in Obsolete product status and is not recommended for new designs or as a long-term substitute.

Frequently Asked Questions (FAQ)

Q: Can TLC27M7IDR be used as a direct replacement for TLC27M7ID?

A: Yes. TLC27M7IDR is electrically identical to TLC27M7ID and is the manufacturer-recommended substitute. The only difference is packaging format: TLC27M7IDR is supplied in Tape & Reel configuration while TLC27M7ID is supplied in Tube. Both parts are 8-SOIC surface mount packages with identical pinout and electrical specifications. TLC27M7IDR is currently in Active product status, making it the preferred choice for design continuity.

Q: What is the difference between the TS272 and TS27L2 series?

A: The TS272 series is optimized for general-purpose applications with enhanced performance: 5.5 V/µs slew rate, 3.5 MHz gain bandwidth product, and 1 mA supply current per dual channels. The TS27L2 series is optimized for low-power applications with ultra-low supply current of 10 µA per dual channels, but with reduced slew rate (0.04 V/µs) and lower gain bandwidth product (100 kHz). Select TS272 for applications requiring faster response times; select TS27L2 for battery-powered or energy-constrained designs.

Q: Are all substitute parts available in 8-SOIC packaging?

A: Yes. All recommended substitute parts are available in 8-SOIC (0.154", 3.90mm Width) surface mount packaging, which is mechanically and electrically compatible with the TLC27M7ID. Packaging format (Tube, Tape & Reel, or Cut Tape) varies by part number but does not affect electrical performance or pinout compatibility.

Q: What operating temperature range should I select?

A: The TLC27M7ID operates from -40°C to 85°C. If your application requires this exact temperature range, select TLC27M7IDR or LM432MA/NOPB (though LM432MA/NOPB is Obsolete). If your application can tolerate a wider temperature range, TS272AIDT, TS272BIDT, TS27L2AIDT, and TS27L2BIDT all support -40°C to 125°C. If your application operates only in the 0°C to 70°C range, TS272ACDT, TS272CDT, and TS27L2ACDT are suitable options.

Q: Can I use TS272 parts in a design currently using TLC27M7ID?

A: TS272 parts can be used as functional substitutes if your circuit design can accommodate the enhanced electrical performance characteristics. TS272 parts have higher slew rate (5.5 V/µs vs. 0.62 V/µs), higher gain bandwidth product (3.5 MHz vs. 635 kHz), and higher supply current (1 mA vs. 285 µA). These differences may affect circuit stability, noise performance, and power consumption. Circuit re-evaluation and testing are necessary to confirm compatibility with your specific application.

Q: What is the difference between TS272ACDT and TS272AIDT?

A: Both parts have identical electrical specifications but differ in operating temperature range and packaging format. TS272ACDT operates 0°C to 70°C and is supplied in Cut Tape packaging. TS272AIDT operates -40°C to 125°C and is supplied in Cut Tape packaging. Select TS272AIDT if your application requires the extended low-temperature operating range.

Q: Why is LM432MA/NOPB listed if it is Obsolete?

A: LM432MA/NOPB is listed for reference purposes only to document historical substitution relationships. This part is no longer in active production and is not recommended for new designs or as a long-term substitute for the TLC27M7ID. Use TLC27M7IDR or the STMicroelectronics TS272/TS27L2 series instead.

Q: Are all substitute parts RoHS3 Compliant?

A: Yes. All recommended substitute parts (TLC27M7IDR, TS272 series, and TS27L2 series) are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited) and REACH Unaffected status, matching the compliance profile of the TLC27M7ID.

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