TLC27L2ACPSG4 Equivalent & Substitute Parts

Part Overview

The TLC27L2ACPSG4 is a CMOS dual-channel amplifier integrated circuit manufactured by Texas Instruments, part of the LinCMOS™ series. This device operates as a low-power, low-slew-rate amplifier suitable for applications requiring minimal current consumption and stable DC performance. The part is currently in Last Time Buy status, indicating discontinued production with limited inventory availability. Identifying equivalent and substitute parts is necessary to ensure design continuity and long-term supply chain reliability for applications currently utilizing this component.

Substiute Parts

TLC27L2ACPSG4

Texas InstrumentsIn Stock: 854TLC27L2ACPSG4 Datasheet

Current PartRFQ

TLC27L2ACDR

Texas InstrumentsIn Stock: 5231TLC27L2ACDR Datasheet

MFR RecommendedRFQ

LM432MA/NOPB

Texas InstrumentsIn Stock: 894LM432MA/NOPB Datasheet

MFR RecommendedRFQ

TLC27L2ACPS

Texas InstrumentsIn Stock: 1762TLC27L2ACPS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC27L2ACPSG4 is determined by the following critical parameters:

Electrical Compatibility Criteria:

• Amplifier Type: CMOS technology
• Number of Circuits: Dual-channel (2 circuits)
• Slew Rate: 0.03 V/µs
• Gain Bandwidth Product: 110 kHz
• Input Bias Current: 0.6 pA
• Input Offset Voltage: 900 µV
• Supply Current: 20 µA per channel
• Output Current Capability: 30 mA per channel
• Supply Voltage Range: 3 V to 16 V
• Operating Temperature: 0°C to 70°C

Mechanical Compatibility Criteria:

• Mounting Type: Surface Mount
• Package Type: 8-SOIC configuration
• Pin Count: 8 pins

Compliance Criteria:

• RoHS3 Compliance
• Moisture Sensitivity Level 1

Substitute parts must maintain identical or superior electrical performance within the specified operating ranges. Package variations (8-SO vs. 8-SOIC) are acceptable provided pin configuration and footprint compatibility are verified for the target application.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: TLC27L2ACDR

The TLC27L2ACDR is the manufacturer-recommended substitute for the TLC27L2ACPSG4. Both devices share identical electrical specifications including CMOS amplifier type, dual-channel configuration, 0.03 V/µs slew rate, 110 kHz gain bandwidth product, and matching supply current characteristics. The TLC27L2ACDR is currently in Active product status, ensuring ongoing availability and supply chain continuity. Both parts are ROHS3 compliant with MSL 1 rating. The primary difference is packaging: TLC27L2ACDR uses an 8-SOIC package with 0.154" (3.90mm) width, while TLC27L2ACPSG4 uses 8-SO with 0.209" (5.30mm) width. PCB layout verification is required to confirm footprint compatibility before design implementation.

Secondary Substitute: TLC27L2ACPS

The TLC27L2ACPS provides identical electrical performance to the TLC27L2ACPSG4, including CMOS technology, dual-channel configuration, 0.03 V/µs slew rate, and 110 kHz bandwidth. Both parts share the same 8-SO package dimensions (0.209", 5.30mm width), ensuring direct mechanical compatibility. The TLC27L2ACPS is also in Last Time Buy status. This part is suitable for applications where packaging consistency with the original design is prioritized.

Tertiary Substitute: LM432MA/NOPB

The LM432MA/NOPB is a general-purpose amplifier with dual-channel configuration and 30 mA output current capability. This part exhibits higher gain bandwidth product (1 MHz versus 110 kHz), lower input bias current (3 nA versus 0.6 pA), and higher supply current consumption (150 µA per channel versus 20 µA). The LM432MA/NOPB is currently in Obsolete status, limiting its suitability for new designs or long-term supply assurance. Use of this substitute is restricted to applications where higher bandwidth and lower input bias current are required and where the increased power consumption is acceptable. Extended temperature range (-40°C to 85°C) is available with this part.

Recommendation Priority:

1. TLC27L2ACDR (Active status, identical electrical performance, package verification required)
2. TLC27L2ACPS (Last Time Buy status, identical electrical performance, same package as original)
3. LM432MA/NOPB (Obsolete status, use only if higher bandwidth is application requirement)

Frequently Asked Questions (FAQ)

Q: Can TLC27L2ACDR be used as a direct replacement for TLC27L2ACPSG4?

A: TLC27L2ACDR provides identical electrical performance and is the manufacturer-recommended substitute. However, the package dimensions differ: TLC27L2ACDR uses 8-SOIC (0.154", 3.90mm width) while TLC27L2ACPSG4 uses 8-SO (0.209", 5.30mm width). PCB footprint compatibility must be verified before implementation. Pin configuration remains identical.

Q: What is the difference between 8-SO and 8-SOIC packages?

A: Both are 8-pin surface-mount packages with identical pin configurations. The primary difference is body width: 8-SO measures 0.209" (5.30mm) while 8-SOIC measures 0.154" (3.90mm). Existing PCB layouts designed for 8-SO may not accommodate 8-SOIC without modification. Consult PCB design files and component datasheets for specific footprint requirements.

Q: Why is TLC27L2ACPSG4 in Last Time Buy status?

A: Last Time Buy status indicates the manufacturer has discontinued production and is accepting final orders before complete discontinuation. This necessitates identification of substitute parts for design continuity and future production requirements.

Q: Can LM432MA/NOPB replace TLC27L2ACPSG4 in all applications?

A: LM432MA/NOPB shares the dual-channel, 8-pin configuration and 30 mA output current capability. However, it exhibits significantly different electrical characteristics: 1 MHz bandwidth (versus 110 kHz), 3 nA input bias current (versus 0.6 pA), and 150 µA supply current per channel (versus 20 µA). Substitution is only appropriate for applications where these performance differences are acceptable or beneficial. LM432MA/NOPB is currently Obsolete, limiting its use for new designs.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. TLC27L2ACDR, TLC27L2ACPS, and LM432MA/NOPB are all ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance profile of TLC27L2ACPSG4.

Q: What is the inventory status of substitute parts?

A: TLC27L2ACDR has 5200 units in stock (Active status). TLC27L2ACPS has 1663 units in stock (Last Time Buy status). LM432MA/NOPB has 869 units in stock (Obsolete status). Inventory availability should be confirmed with suppliers before design commitment.

Q: Can I use TLC27L2ACPS instead of TLC27L2ACDR?

A: Yes. TLC27L2ACPS provides identical electrical specifications and uses the same 8-SO package (0.209", 5.30mm width) as the original TLC27L2ACPSG4, ensuring direct mechanical compatibility. However, TLC27L2ACPS is in Last Time Buy status, while TLC27L2ACDR is Active. For long-term supply assurance, TLC27L2ACDR is preferred.

Q: What operating temperature range should I specify for new designs?

A: TLC27L2ACPSG4, TLC27L2ACDR, and TLC27L2ACPS all operate from 0°C to 70°C. LM432MA/NOPB extends this range to -40°C to 85°C. Select the substitute part based on your application's temperature requirements and other electrical performance needs.