TS27M2CPT Equivalent & Substitute Parts

Part Overview

The TS27M2CPT is a CMOS amplifier integrated circuit manufactured by STMicroelectronics, configured as a dual-channel operational amplifier in an 8-TSSOP surface mount package. This device is classified as a linear amplifier with active product status and full RoHS3 compliance. The TS27M2CPT serves applications requiring low-power CMOS amplification with moderate bandwidth and slew rate characteristics. Equivalent and substitute parts are identified based on matching package geometry, circuit configuration, electrical performance parameters, and compliance certifications to ensure functional interchangeability in circuit designs.

Key Parameters

Parameter	TS27M2CPT Value
Manufacturer	STMicroelectronics
Amplifier Type	CMOS
Number of Circuits	2
Package / Case	8-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Slew Rate	0.6 V/µs
Gain Bandwidth Product	1 MHz
Current - Input Bias	1 pA
Voltage - Input Offset	1.1 mV
Current - Supply	150 µA (x2 Channels)
Current - Output / Channel	45 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	16 V
Operating Temperature	0°C ~ 70°C
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the TS27M2CPT is determined by strict adherence to the following electrical and mechanical parameters:

Package Compatibility: All substitute parts must use the 8-TSSOP surface mount package with identical 0.173" (4.40mm) width to ensure direct PCB footprint compatibility.

Circuit Configuration: Substitute parts must contain exactly 2 amplifier circuits to match the dual-channel configuration of the TS27M2CPT.

Amplifier Type: CMOS amplifier topology is required to maintain the low input bias current characteristic (1 pA) and low power consumption profile of the main part.

Electrical Performance Envelope: Substitute parts must operate within the voltage supply range of 3 V to 16 V minimum and maximum. The slew rate (0.6 V/µs), gain bandwidth product (1 MHz), input offset voltage (1.1 mV), and output current per channel (45 mA) define the performance class for substitution eligibility.

Compliance Requirements: All substitute parts must maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating to ensure regulatory and environmental compatibility.

Product Status Consideration: Active and Last Time Buy status parts are preferred for substitution. Obsolete parts are listed for reference but represent end-of-life components.

Parameter Comparison

Parameter	TS27M2CPT	TLC252CPWR	TLC272CPWR	TLC27L2CPWR	TLC27M2CPWR	TLC27M2IPW	LM2904PW
Manufacturer	STMicroelectronics	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	General Purpose
Number of Circuits	2	2	2	2	2	2	2
Package / Case	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP	8-TSSOP
Slew Rate (V/µs)	0.6	2.9	5.3	0.03	0.62	0.62	0.3
Gain Bandwidth Product (MHz)	1	2.2	2.2	0.11	0.635	0.635	0.7
Current - Input Bias (pA)	1	0.6	0.7	0.6	0.7	0.7	20
Voltage - Input Offset (mV)	1.1	1.1	1.1	1.1	1.1	1.1	3
Current - Supply (µA, x2 Channels)	150	1900	1900	20	285	285	500
Current - Output / Channel (mA)	45	N/A	30	30	30	30	40
Voltage - Supply Span Min (V)	3	1.4	3	3	3	4	3
Voltage - Supply Span Max (V)	16	16	16	16	16	16	26
Operating Temperature (°C)	0 ~ 70	0 ~ 70	0 ~ 70	0 ~ 70	0 ~ 70	-40 ~ 85	-40 ~ 125
Product Status	Active	Last Time Buy	Active	Active	Active	Last Time Buy	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Active Status):

The TLC272CPWR and TLC27M2CPWR from Texas Instruments represent the most suitable direct substitutes for the TS27M2CPT. Both parts maintain active product status, ensuring long-term availability and supply chain stability. The TLC272CPWR offers higher slew rate (5.3 V/µs) and gain bandwidth product (2.2 MHz) compared to the TS27M2CPT, making it suitable for applications requiring faster signal response. The TLC27M2CPWR provides performance characteristics closely aligned with the TS27M2CPT, with slew rate of 0.62 V/µs and gain bandwidth product of 635 kHz, while maintaining the same 3 V to 16 V supply voltage range and 0°C to 70°C operating temperature specification.

Secondary Substitutes (Last Time Buy Status):

The TLC252CPWR, TLC27L2CPWR, and TLC27M2IPW are available but carry Last Time Buy status, indicating limited future availability. The TLC252CPWR provides enhanced performance with 2.9 V/µs slew rate and 2.2 MHz bandwidth but requires lower minimum supply voltage (1.4 V). The TLC27L2CPWR and TLC27L2CPWR variants are optimized for ultra-low power applications with 20 µA supply current but feature significantly reduced bandwidth (110 kHz), suitable only for low-frequency signal processing.

Extended Temperature Range Alternative:

The TLC27M2IPW extends the operating temperature range to -40°C to 85°C and increases minimum supply voltage to 4 V, providing compatibility with industrial temperature specifications when required.

Non-Recommended Substitute:

The LM2904PW, while functionally a dual-channel amplifier in 8-TSSOP package, uses general-purpose amplifier topology rather than CMOS architecture. This part exhibits significantly higher input bias current (20 nA versus 1 pA), higher input offset voltage (3 mV versus 1.1 mV), and obsolete product status, making it unsuitable for direct substitution in low-power CMOS applications.

Frequently Asked Questions (FAQ)

Q: Can the TLC272CPWR directly replace the TS27M2CPT in all applications?

A: The TLC272CPWR shares identical package geometry (8-TSSOP), circuit configuration (2 circuits), and compliance certifications (RoHS3). However, the TLC272CPWR exhibits higher slew rate (5.3 V/µs versus 0.6 V/µs) and higher gain bandwidth product (2.2 MHz versus 1 MHz). Direct substitution is valid for applications where these enhanced performance characteristics do not introduce stability or noise issues. Circuit simulation or bench testing is recommended for noise-sensitive applications.

Q: What is the difference between TLC27M2CPWR and TLC27M2IPW?

A: Both parts share identical electrical performance specifications (0.62 V/µs slew rate, 635 kHz bandwidth, 285 µA supply current). The primary differences are packaging format (Tape & Reel versus Tube) and operating temperature range. The TLC27M2IPW supports -40°C to 85°C operation and requires minimum 4 V supply voltage, compared to 0°C to 70°C and 3 V minimum for the TLC27M2CPWR. Selection depends on temperature requirements and supply voltage availability in the target application.

Q: Why is the LM2904PW not recommended as a substitute?

A: The LM2904PW uses general-purpose amplifier topology rather than CMOS architecture, resulting in 20 nA input bias current compared to 1 pA for the TS27M2CPT. This 20,000-fold increase in input bias current introduces significant error in high-impedance signal conditioning circuits. Additionally, the LM2904PW carries obsolete product status, limiting future availability. The part is listed for reference only and should not be selected for new designs.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed in this reference maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory compliance profile of the TS27M2CPT. This ensures compatibility with modern manufacturing processes and regulatory requirements.

Q: What supply voltage range is common across all substitutes?

A: The TS27M2CPT operates from 3 V to 16 V. The TLC252CPWR extends the minimum supply voltage to 1.4 V, while the TLC27M2IPW and TLC27L2IPW require minimum 4 V supply. All parts support maximum 16 V supply voltage. Circuit design must account for the specific minimum supply voltage requirement of the selected substitute part.

Q: Can the TLC27L2CPWR replace the TS27M2CPT in high-frequency applications?

A: No. The TLC27L2CPWR is optimized for ultra-low power operation with only 20 µA supply current but features severely limited bandwidth (110 kHz gain bandwidth product versus 1 MHz for the TS27M2CPT). This part is suitable only for DC and very low-frequency signal processing applications. High-frequency applications require the TS27M2CPT, TLC272CPWR, or TLC27M2CPWR.

Q: What is the significance of "Last Time Buy" status?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for the part, with limited production remaining. While currently available, these parts should not be selected for new product designs with long production lifespans. Parts with Last Time Buy status include TLC252CPWR, TLC27L2CPW, TLC27M2CPW, TLC27L2IPW, and TLC27M2IPW. Active status parts (TLC272CPWR, TLC27M2CPWR) are preferred for new designs.

Q: Is the 8-TSSOP package footprint identical across all listed parts?

A: Yes. All substitute parts use the 8-TSSOP surface mount package with 0.173" (4.40mm) width specification, ensuring identical PCB footprint compatibility. No layout modifications are required when substituting between these parts. Packaging format differences (Cut Tape, Tube, Tape & Reel) affect handling and assembly processes but not electrical or mechanical compatibility.

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