TLV3401IDBVT Equivalent & Substitute Parts

Part Overview

The TLV3401IDBVT is a general-purpose CMOS comparator with open-drain output in SOT-23-5 surface mount packaging. This device operates across a wide supply voltage range of 2.7V to 16V (single supply) or ±1.35V to ±8V (dual supply), making it suitable for analog signal comparison applications in industrial and consumer electronics.

The TLV3401IDBVT is currently designated as Last Time Buy, indicating end-of-life status. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for ongoing production and maintenance requirements.

Substiute Parts

TLV3401IDBVT

Texas InstrumentsIn Stock: 1227TLV3401IDBVT Datasheet

Current PartRFQ

TLV3401IDBVR

Texas InstrumentsIn Stock: 38659TLV3401IDBVR Datasheet

Parametric EquivalentRFQ

MCP6566RT-E/OT

Microchip TechnologyIn Stock: 18418MCP6566RT-E/OT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLV3401IDBVT are classified based on strict electrical and mechanical compatibility:

Parametric Equivalent (Direct Replacement): The TLV3401IDBVR maintains identical electrical specifications across all critical parameters: supply voltage range (2.7V ~ 16V / ±1.35V ~ 8V), input offset voltage (3.6mV @ 15V), input bias current (250pA @ 15V), output current (10mA), quiescent current (950nA), CMRR/PSRR performance (88dB/105dB), propagation delay (300µs), and operating temperature range (-40°C ~ 125°C). Both devices use SOT-23-5 packaging and CMOS open-drain output architecture. The primary distinction is product status: TLV3401IDBVR is Active, whereas TLV3401IDBVT is Last Time Buy.

Manufacturer Recommended Substitute (MCP6566RT-E/OT): The MCP6566RT-E/OT from Microchip Technology is a general-purpose CMOS comparator with open-drain output in identical SOT-23-5 packaging. This part operates within a narrower supply voltage range (1.8V ~ 5.5V) compared to the TLV3401IDBVT. Key performance differences include higher input offset voltage (10mV @ 5.5V versus 3.6mV @ 15V), significantly lower input bias current (1pA @ 5.5V versus 250pA @ 15V), higher output current capability (50mA versus 10mA), higher quiescent current (130µA versus 950nA), lower CMRR/PSRR (66dB/70dB versus 88dB/105dB), and substantially faster propagation delay (80ns versus 300µs). The MCP6566RT-E/OT includes 5mV hysteresis, which the TLV3401IDBVT does not specify.

Substitution with MCP6566RT-E/OT is valid only when the application operates within the 1.8V ~ 5.5V supply range and can tolerate the specified performance trade-offs, particularly the reduced CMRR/PSRR and increased quiescent current.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Recommended Primary Option): The TLV3401IDBVR is the preferred substitute for the TLV3401IDBVT. Both devices are manufactured by Texas Instruments with identical electrical specifications and packaging. The TLV3401IDBVR is currently in Active product status with significantly higher inventory availability (38,633 pcs versus 1,206 pcs). Both parts maintain ROHS3 compliance, MSL Level 1 rating, and identical REACH and ECCN classifications. This substitution requires no circuit redesign and provides direct pin-for-pin compatibility.

For Supply Voltage Constrained Applications: The MCP6566RT-E/OT from Microchip Technology is suitable only when the application operates exclusively within the 1.8V ~ 5.5V supply voltage range. This part is Active with substantial inventory (18,322 pcs) and maintains ROHS3 compliance and MSL Level 1 rating. However, the narrower supply range, reduced CMRR/PSRR performance, and increased quiescent current consumption necessitate circuit evaluation before implementation. The significantly faster propagation delay (80ns versus 300µs) may require timing verification in applications sensitive to response speed.

Frequently Asked Questions (FAQ)

Q: Can TLV3401IDBVR be used as a direct replacement for TLV3401IDBVT? A: Yes. The TLV3401IDBVR is a parametric equivalent with identical electrical specifications, output type (CMOS open-drain), and SOT-23-5 packaging. No circuit modifications are required. The primary difference is product status: TLV3401IDBVR is Active while TLV3401IDBVT is Last Time Buy.

Q: What are the key limitations of using MCP6566RT-E/OT as a substitute? A: The MCP6566RT-E/OT operates within a narrower supply voltage range (1.8V ~ 5.5V versus 2.7V ~ 16V). It exhibits higher input offset voltage (10mV versus 3.6mV), significantly higher quiescent current (130µA versus 950nA), and lower CMRR/PSRR performance (66dB/70dB versus 88dB/105dB). Substitution is valid only for applications operating within the 1.8V ~ 5.5V range that can tolerate these performance trade-offs.

Q: Are all substitute parts available in the same packaging? A: Yes. The TLV3401IDBVR and MCP6566RT-E/OT are both available in SOT-23-5 (SC-74A) surface mount packaging, identical to the TLV3401IDBVT. Pin configuration and mechanical dimensions are compatible.

Q: Do substitute parts maintain the same compliance certifications? A: Yes. Both TLV3401IDBVR and MCP6566RT-E/OT are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating. Both are REACH Unaffected and classified as EAR99 for export control purposes.

Q: What is the primary reason to transition from TLV3401IDBVT? A: The TLV3401IDBVT is designated Last Time Buy, indicating end-of-life status. The TLV3401IDBVR provides supply continuity as an Active product with identical specifications and higher inventory availability.

Q: How does propagation delay affect substitution with MCP6566RT-E/OT? A: The MCP6566RT-E/OT has a maximum propagation delay of 80ns compared to 300µs for the TLV3401IDBVT. This 3,750x faster response time may affect timing-sensitive applications. Circuit verification is required to confirm compatibility with existing timing margins and signal processing requirements.