TLC272CPS Equivalent & Substitute Parts

Part Overview

The TLC272CPS is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, packaged in 8-SO (8-SOIC) surface mount configuration. This device belongs to the LinCMOS™ series and is designated as Last Time Buy, indicating discontinued production with limited inventory availability. The TLC272CPS serves applications requiring low-power CMOS amplification with dual-circuit integration in compact form factor. Due to Last Time Buy status and finite stock (3400 Pcs), identification of equivalent substitute parts is necessary for design continuity and long-term supply chain planning.

Substiute Parts

TLC272CPS

Texas InstrumentsIn Stock: 3481TLC272CPS Datasheet

Current PartRFQ

TLC272CDR

Texas InstrumentsIn Stock: 105179TLC272CDR Datasheet

MFR RecommendedRFQ

LM432MA/NOPB

Texas InstrumentsIn Stock: 894LM432MA/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TLC272CPS is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Electrical Compatibility Parameters:

• Amplifier Type: CMOS technology
• Number of Circuits: Dual-channel (2 circuits)
• Slew Rate: 5.3 V/µs minimum
• Gain Bandwidth Product: 2.2 MHz minimum
• Input Bias Current: 0.7 pA maximum
• Input Offset Voltage: 1.1 mV maximum
• Supply Current: 1.9 mA per channel maximum
• Output Current: 30 mA per channel minimum
• Supply Voltage Range: 3 V to 16 V
• Operating Temperature: 0°C to 70°C minimum coverage

Mechanical Compatibility Parameters:

• Mounting Type: Surface Mount
• Package Type: 8-SOIC configuration
• RoHS Compliance: ROHS3 Compliant

Two substitute parts are identified:

TLC272CDR (MFR Recommended): Active product status with identical electrical specifications. Packaging differs in reel format (Cut Tape & Digi-Reel® versus Tube) and physical package width (3.90mm versus 5.30mm). Electrical performance is fully equivalent.

LM432MA/NOPB (Conditional Substitute): General Purpose amplifier with Obsolete product status. Electrical parameters diverge significantly: lower Gain Bandwidth Product (1 MHz versus 2.2 MHz), higher Input Bias Current (3 nA versus 0.7 pA), lower Supply Current (150 µA versus 1.9 mA), and extended Operating Temperature range (-40°C to 85°C). Substitution is limited to applications where reduced bandwidth and higher bias current are acceptable.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: TLC272CDR

The TLC272CDR is the manufacturer-recommended substitute for the TLC272CPS. Both devices share identical electrical specifications across all critical parameters: CMOS amplifier type, dual-circuit configuration, 5.3 V/µs slew rate, 2.2 MHz gain bandwidth product, 0.7 pA input bias current, 1.1 mV input offset voltage, and 1.9 mA supply current per channel. The TLC272CDR maintains Active product status with significantly higher inventory availability (105100 Pcs versus 3400 Pcs), ensuring long-term supply continuity. Both devices are ROHS3 Compliant with MSL 1 rating. The only differences are packaging format (Cut Tape & Digi-Reel® versus Tube) and physical package width (3.90mm versus 5.30mm). PCB layout modifications may be required to accommodate the narrower package width of the TLC272CDR.

Secondary Consideration: LM432MA/NOPB

The LM432MA/NOPB is designated Obsolete and carries finite inventory (869 Pcs). Electrical performance diverges from the TLC272CPS in multiple parameters: Gain Bandwidth Product is reduced to 1 MHz (45% lower), Input Bias Current increases to 3 nanoamperes (4286× higher), and Supply Current decreases to 150 microamperes per channel (79× lower). The LM432MA/NOPB is classified as General Purpose amplifier rather than CMOS technology. This substitute is suitable only for applications where reduced bandwidth tolerance, higher input bias current acceptance, and extended temperature range (-40°C to 85°C) provide functional advantage. Substitution requires circuit re-evaluation and performance testing.

Frequently Asked Questions (FAQ)

Q1: Can TLC272CDR be used as a direct replacement for TLC272CPS in all applications?

A: TLC272CDR provides electrical equivalence with identical CMOS amplifier specifications, dual-circuit configuration, slew rate, gain bandwidth product, and supply parameters. However, the physical package width differs (3.90mm versus 5.30mm). PCB layout compatibility must be confirmed. If the PCB footprint accommodates the narrower 8-SOIC package, direct substitution is feasible without circuit modification.

Q2: What are the key differences between TLC272CDR and LM432MA/NOPB?

A: TLC272CDR maintains CMOS technology with 2.2 MHz bandwidth and 0.7 pA input bias current. LM432MA/NOPB is a General Purpose amplifier with 1 MHz bandwidth and 3 nanoamperes input bias current. The LM432MA/NOPB exhibits 79× lower supply current (150 µA versus 1.9 mA) and extended operating temperature range (-40°C to 85°C). Substitution requires application-specific evaluation.

Q3: Why is LM432MA/NOPB marked Obsolete?

A: LM432MA/NOPB carries Obsolete product status, indicating discontinued manufacturing. Inventory is limited to 869 Pcs. This part should not be selected for new designs requiring long-term supply assurance. Use only when existing designs mandate this specific part number and inventory depletion is acceptable.

Q4: Are packaging differences between TLC272CPS and TLC272CDR significant?

A: Both use 8-SOIC surface mount packages. TLC272CPS package width is 5.30mm; TLC272CDR package width is 3.90mm. This 1.4mm difference may affect PCB footprint compatibility. Verify PCB design specifications before substitution. Reel format differs (Tube versus Cut Tape & Digi-Reel®), affecting procurement and handling but not electrical performance.

Q5: Do all substitute parts meet RoHS and REACH compliance?

A: Yes. TLC272CDR and LM432MA/NOPB are both ROHS3 Compliant with MSL 1 (Unlimited) rating and REACH Unaffected status, matching the TLC272CPS compliance profile.

Q6: What is the inventory status for each part?

A: TLC272CPS (Last Time Buy): 3400 Pcs. TLC272CDR (Active): 105100 Pcs. LM432MA/NOPB (Obsolete): 869 Pcs. For supply continuity, TLC272CDR is the recommended choice.