TLV1811LDBVR Equivalent & Substitute Parts

Part Overview

The TLV1811LDBVR is a general-purpose comparator manufactured by Texas Instruments, designed for applications requiring rail-to-rail push-pull output operation. The device operates across a wide supply voltage range of 2.4V to 40V and is housed in a compact SOT-23-5 surface-mount package. This comparator is classified as an active product with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when identical electrical performance and mechanical compatibility are maintained across all critical parameters, ensuring direct interchangeability in circuit designs without performance degradation.

Substiute Parts

TLV1811LDBVR

Texas InstrumentsIn Stock: 2624TLV1811LDBVR Datasheet

Current PartRFQ

TLV1811DBVR

Texas InstrumentsIn Stock: 1068TLV1811DBVR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLV1811LDBVR is determined by strict equivalence across all electrical and mechanical parameters. The primary substitute identified is the TLV1811DBVR, which maintains identical specifications across the following critical parameters:

Electrical Performance Criteria:

• Supply voltage range: 2.4V to 40V
• Input offset voltage: 3mV maximum at 12V
• Input bias current: 0.15pA maximum at 12V
• Output current: 30mA typical
• Quiescent current: 7.5µA maximum
• Power supply rejection ratio: 100dB typical
• Propagation delay: 450ns maximum
• Operating temperature: −40°C to 125°C

Mechanical & Packaging Criteria:

• Package designation: SOT-23-5 (SC-74A, SOT-753)
• Mounting technology: Surface Mount
• Number of elements: 1
• Output configuration: Push-Pull, Rail-to-Rail

Compliance & Regulatory Criteria:

• RoHS3 compliance status
• Moisture sensitivity level: 1 (Unlimited)
• REACH status: Unaffected
• Product status: Active

Both parts are manufactured by Texas Instruments and classified within the Linear category as general-purpose comparators. The substitution relationship is bidirectional, indicating that either part number can replace the other without circuit redesign or performance impact.

Parameter Comparison

Engineering Selection Recommendations

The TLV1811DBVR is a direct parametric equivalent to the TLV1811LDBVR and qualifies as a substitute part based on complete electrical and mechanical parameter alignment. Both devices are active products manufactured by Texas Instruments with identical RoHS3 compliance certification and unlimited moisture sensitivity rating. The substitution is valid for applications requiring general-purpose comparator functionality with rail-to-rail output capability across the 2.4V to 40V supply range.

Selection between TLV1811LDBVR and TLV1811DBVR should be based on inventory availability and procurement lead times, as both parts deliver identical performance characteristics and regulatory compliance status. The packaging configuration (SOT-23-5 surface mount) and thermal operating range (−40°C to 125°C) are consistent across both part numbers, ensuring compatibility with existing PCB designs and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can TLV1811DBVR replace TLV1811LDBVR in existing designs?

A: Yes. The TLV1811DBVR is a direct parametric equivalent with identical electrical specifications, output characteristics, package type, and compliance certifications. No circuit modifications are required.

Q: Are there differences in supply voltage operating ranges between these parts?

A: No. Both TLV1811LDBVR and TLV1811DBVR operate across the identical supply voltage range of 2.4V to 40V, supporting single and dual supply configurations.

Q: Do both parts use the same package footprint?

A: Yes. Both devices are housed in SOT-23-5 packages (SC-74A, SOT-753 designations) with identical pin configurations and surface-mount landing patterns.

Q: What is the propagation delay specification for these comparators?

A: The maximum propagation delay for both TLV1811LDBVR and TLV1811DBVR is 450ns typical, ensuring consistent switching response times in timing-critical applications.

Q: Are both parts RoHS compliant?

A: Yes. Both TLV1811LDBVR and TLV1811DBVR are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the quiescent current specification?

A: The maximum quiescent current for both parts is 7.5µA, indicating low power consumption during idle operation.

Q: Can these comparators drive external loads directly?

A: Yes. Both devices feature push-pull, rail-to-rail output with 30mA typical output current capability, enabling direct connection to logic inputs and moderate load driving applications.

Q: What is the input offset voltage specification?

A: The maximum input offset voltage for both TLV1811LDBVR and TLV1811DBVR is 3mV at 12V supply, providing accurate threshold detection in precision comparator applications.