TLC252CPS Equivalent & Substitute Parts

Part Overview

The TLC252CPS is a CMOS amplifier integrated circuit manufactured by Texas Instruments, featuring two independent circuits in an 8-SO surface mount package. This device is classified as a LinCMOS™ series component and is currently discontinued at DiGi Electronics. The TLC252CPS operates across a wide supply voltage range of 1.4 V to 16 V and is designed for applications requiring low input bias current and low input offset voltage characteristics typical of CMOS amplifier designs.

Due to the discontinued product status of the TLC252CPS, equivalent and substitute parts are necessary for ongoing design support, production continuity, and component sourcing. The substitute parts listed maintain functional compatibility through matching circuit count, package type, and electrical operating parameters within acceptable tolerances.

Substiute Parts

TLC252CPS

Texas InstrumentsIn Stock: 993TLC252CPS Datasheet

Current PartRFQ

LM432MA/NOPB

Texas InstrumentsIn Stock: 894LM432MA/NOPB Datasheet

MFR RecommendedRFQ

TS27M2CDT

STMicroelectronicsIn Stock: 16149TS27M2CDT Datasheet

MFR RecommendedRFQ

TS27M2IDT

STMicroelectronicsIn Stock: 1921TS27M2IDT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC252CPS is determined by the following critical parameters:

Functional Requirements:

• Amplifier Type: CMOS technology
• Number of Circuits: 2 independent circuits
• Mounting Type: Surface Mount
• Package Category: 8-pin SOIC configuration

Electrical Compatibility Criteria:

• Voltage - Supply Span: Minimum 1.4 V to Maximum 16 V overlap
• Current - Input Bias: Low leakage current characteristic (pA range)
• Voltage - Input Offset: Precision offset voltage (mV range)
• Operating Temperature: Functional overlap within specified ranges

Compliance & Certification:

• RoHS3 Compliance: Required
• Moisture Sensitivity Level: MSL 1 (Unlimited)
• REACH Status: REACH Unaffected

The substitute parts TS27M2CDT, TS27M2IDT, and LM432MA/NOPB maintain the dual-circuit CMOS amplifier architecture and surface mount 8-SOIC package configuration. All substitute parts are RoHS3 compliant with MSL 1 rating, ensuring environmental and handling compatibility with the original TLC252CPS specification.

Parameter Comparison

Engineering Selection Recommendations

TS27M2CDT (STMicroelectronics)

The TS27M2CDT is an active product offering CMOS amplifier architecture with dual circuits in 8-SOIC surface mount package. This substitute maintains CMOS amplifier type classification and matches the input offset voltage specification of 1.1 mV. The TS27M2CDT operates within the 0°C to 70°C temperature range, aligning with the TLC252CPS operating window. Supply voltage range extends to 16 V maximum, with minimum supply of 3 V. RoHS3 compliance and MSL 1 rating ensure regulatory and handling compatibility. Current supply consumption is reduced to 150 µA per channel compared to the original 1.9 mA specification. This part is suitable for applications where the lower minimum supply voltage of 3 V is acceptable and reduced power consumption is beneficial.

TS27M2IDT (STMicroelectronics)

The TS27M2IDT provides extended operating temperature range from -40°C to 125°C while maintaining identical electrical characteristics to the TS27M2CDT. This substitute is an active product with CMOS amplifier type, dual circuits, and 8-SOIC surface mount package. Input offset voltage matches at 1.1 mV, and supply voltage range extends to 16 V maximum with 3 V minimum. RoHS3 compliance and MSL 1 rating are maintained. The TS27M2IDT is appropriate for applications requiring extended temperature operation beyond the original 0°C to 70°C specification or for designs targeting broader environmental conditions.

LM432MA/NOPB (Texas Instruments)

The LM432MA/NOPB is classified as a general purpose amplifier with dual circuits in 8-SOIC surface mount package. This substitute maintains Texas Instruments manufacturer origin and dual-circuit configuration. The part is currently obsolete in product status. Input offset voltage is superior at 600 µV compared to the 1.1 mV specification. Supply voltage range extends to 16 V maximum with 2.5 V minimum. Operating temperature range is -40°C to 85°C. RoHS3 compliance and MSL 1 rating are maintained. Current supply consumption is 150 µA per channel. This part is applicable for applications where improved input offset voltage performance is required and the general purpose amplifier classification is acceptable.

Frequently Asked Questions (FAQ)

Q: Can the TS27M2CDT directly replace the TLC252CPS in existing designs?

A: The TS27M2CDT maintains functional compatibility through dual CMOS amplifier circuits in 8-SOIC surface mount package. However, the minimum supply voltage requirement increases from 1.4 V to 3 V. Designs operating below 3 V supply voltage require circuit modification. Package width differs (3.90mm versus 5.30mm), requiring PCB layout verification for physical fit. All other electrical parameters remain within acceptable tolerance ranges.

Q: What is the primary difference between TS27M2CDT and TS27M2IDT?

A: Both parts are manufactured by STMicroelectronics with identical electrical specifications and CMOS amplifier architecture. The TS27M2IDT extends the operating temperature range to -40°C to 125°C, compared to the TS27M2CDT range of 0°C to 70°C. Selection between these parts depends on the application's temperature environment requirements.

Q: Why does the LM432MA/NOPB have different input bias current specifications?

A: The LM432MA/NOPB is classified as a general purpose amplifier rather than a CMOS amplifier type. This classification difference results in higher input bias current of 3 nanoamperes compared to the 1 picoampere specification of CMOS devices. Applications sensitive to input bias current effects require evaluation of this parameter difference.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. The TLC252CPS and all listed substitute parts (TS27M2CDT, TS27M2IDT, and LM432MA/NOPB) are RoHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). This ensures compatibility with environmental and regulatory requirements.

Q: What is the impact of reduced supply current in substitute parts?

A: The substitute parts TS27M2CDT, TS27M2IDT, and LM432MA/NOPB operate at 150 µA per channel supply current, compared to the TLC252CPS specification of 1.9 mA per channel. This represents a significant reduction in power consumption, which is beneficial for battery-powered and low-power applications. Designs do not require modification to accommodate this improvement.

Q: How does the package width difference affect PCB design?

A: The TLC252CPS uses an 8-SOIC package with 5.30mm width, while substitute parts use 8-SOIC packages with 3.90mm width. This 1.4mm width reduction requires PCB footprint verification and potential layout adjustment. Pin pitch and lead spacing remain standard 8-SOIC configuration. Physical clearance and thermal considerations must be re-evaluated during design transition.

Q: Can the LM432MA/NOPB be used in applications requiring CMOS amplifier specifications?

A: The LM432MA/NOPB is classified as a general purpose amplifier, not a CMOS amplifier. While it maintains dual-circuit configuration and 8-SOIC package compatibility, applications specifically requiring CMOS amplifier characteristics should use TS27M2CDT or TS27M2IDT substitutes. The general purpose classification may introduce different performance characteristics in noise, offset drift, and frequency response.