TLV3401IDBVR Equivalent & Substitute Parts

Part Overview

The TLV3401IDBVR is a general-purpose CMOS comparator with open-drain output in SOT-23-5 surface mount packaging, manufactured by Texas Instruments. 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 TLV3401IDBVR maintains Active product status with 38,633 units in current inventory. Substitute parts become necessary when addressing supply constraints, specific performance requirements, or design optimization needs within compatible electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	TLV3401IDBVR
Category	Linear - Comparator
Type	General Purpose
Output Type	CMOS, Open-Drain
Package / Case	SC-74A, SOT-753 (SOT-23-5)
Mounting Type	Surface Mount
Voltage - Supply (Single/Dual)	2.7V ~ 16V / ±1.35V ~ 8V
Voltage - Input Offset (Max)	3.6mV @ 15V
Current - Input Bias (Max)	250pA @ 15V
Current - Output (Typ)	10mA
Current - Quiescent (Max)	950nA
CMRR / PSRR (Typ)	88dB / 105dB
Propagation Delay (Max)	300µs
Operating Temperature	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the TLV3401IDBVR are classified based on strict adherence to the following electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

Output Type: CMOS, Open-Drain configuration
Package Type: SOT-23-5 or compatible surface mount packages
Operating Temperature Range: -40°C to 125°C minimum
Supply Voltage Compatibility: Overlap with 2.7V ~ 16V range
Functional Classification: General Purpose Comparator

Parametric Equivalent (Identical Specifications): TLV3401IDBVT matches all electrical parameters and packaging specifications of the main part, differing only in product status (Last Time Buy vs. Active).

Manufacturer-Recommended Alternatives (Functional Equivalents): MCP6566UT-E/OT, MCP65R46T-1202E/CHY, MCP65R46T-2402E/CHY, and TS881ICT provide functional comparator operation within the specified temperature range and RoHS compliance. These parts maintain core comparator functionality with variations in supply voltage range, output type, package configuration, and performance characteristics as detailed in the parameter comparison table.

Parameter Comparison

Parameter	TLV3401IDBVR	TLV3401IDBVT	MCP6566UT-E/OT	MCP65R46T-1202E/CHY	MCP65R46T-2402E/CHY	TS881ICT
Manufacturer	Texas Instruments	Texas Instruments	Microchip Technology	Microchip Technology	Microchip Technology	STMicroelectronics
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SOT-23-6	SOT-23-6	5-TSSOP, SC-70-5
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-6	SOT-23-6	SC-70-5
Type	General Purpose	General Purpose	General Purpose	General Purpose	with Voltage Reference	General Purpose
Output Type	CMOS, Open-Drain	CMOS, Open-Drain	CMOS, Open-Drain	CMOS, Open-Drain, TTL	CMOS, Open-Drain, TTL	Push-Pull
Voltage - Supply (Single/Dual)	2.7V ~ 16V / ±1.35V ~ 8V	2.7V ~ 16V / ±1.35V ~ 8V	1.8V ~ 5.5V	1.8V ~ 5.5V	1.8V ~ 5.5V	0.85V ~ 5.5V
Voltage - Input Offset (Max)	3.6mV @ 15V	3.6mV @ 15V	10mV @ 5.5V	10mV @ 5.5V	10mV @ 5.5V	6mV @ 5V
Current - Input Bias (Max)	250pA @ 15V	250pA @ 15V	1pA @ 5.5V	1pA @ 5.5V	1pA @ 5.5V	10pA
Current - Output (Typ)	10mA	10mA	50mA	50mA	50mA	36mA
Current - Quiescent (Max)	950nA	950nA	130µA	4µA	4µA	500nA
CMRR / PSRR (Typ)	88dB / 105dB	88dB / 105dB	66dB / 70dB	70dB / 80dB	70dB / 80dB	78dB / —
Propagation Delay (Max)	300µs	300µs	80ns	8µs	8µs	22µs
Hysteresis	—	—	5mV	5mV	5mV	4.2mV
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Last Time Buy	Active	Active	Active	Active
Inventory (Pcs)	38,633	1,206	2,980	3,325	3,704	4,300

Engineering Selection Recommendations

TLV3401IDBVT is the direct parametric equivalent and should be selected when supply continuity is the primary concern. However, this part carries Last Time Buy status, indicating limited future availability. Selection is appropriate only for applications where the extended supply voltage range (2.7V ~ 16V) and low quiescent current (950nA) are critical requirements.

MCP6566UT-E/OT is suitable for applications operating within the 1.8V ~ 5.5V supply range where faster propagation delay (80ns vs. 300µs) and lower input bias current (1pA vs. 250pA) provide performance advantages. This part is Active status with established supply chain presence.

MCP65R46T-1202E/CHY and MCP65R46T-2402E/CHY are appropriate for designs requiring TTL-compatible output in addition to CMOS open-drain operation, within the 1.8V ~ 5.5V supply range. Both maintain Active product status. The MCP65R46T-2402E/CHY variant includes integrated voltage reference functionality. Package configuration is SOT-23-6 (six pins vs. five pins in the main part).

TS881ICT offers the widest supply voltage range (0.85V ~ 5.5V) with push-pull output configuration and Active product status. Package is SC-70-5 (5-TSSOP), requiring PCB layout adjustment from SOT-23-5. Quiescent current (500nA) and propagation delay (22µs) fall between the TLV3401IDBVR and MCP series alternatives.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and -40°C to 125°C operating temperature range, ensuring regulatory and environmental compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can TLV3401IDBVT be used as a direct replacement for TLV3401IDBVR?

A: Yes. TLV3401IDBVT is electrically and mechanically identical to TLV3401IDBVR, with identical pin configuration, package (SOT-23-5), and all electrical parameters. The only difference is product status (Last Time Buy vs. Active). Direct PCB substitution is possible without design modification.

Q: What are the key differences between TLV3401IDBVR and MCP6566UT-E/OT?

A: Both use SOT-23-5 packaging and CMOS open-drain output. Primary differences are: (1) Supply voltage range: TLV3401IDBVR operates 2.7V ~ 16V; MCP6566UT-E/OT operates 1.8V ~ 5.5V; (2) Propagation delay: MCP6566UT-E/OT is significantly faster (80ns vs. 300µs); (3) Quiescent current: MCP6566UT-E/OT draws 130µA maximum vs. 950nA for TLV3401IDBVR. Selection depends on supply voltage requirements and speed/power trade-offs.

Q: Why do MCP65R46T-1202E/CHY and MCP65R46T-2402E/CHY use SOT-23-6 packaging instead of SOT-23-5?

A: The MCP65R46 series includes TTL output capability in addition to CMOS open-drain operation, requiring an additional pin. The sixth pin provides this functionality. PCB layout modification is necessary to accommodate the different pin count and spacing.

Q: Can TS881ICT replace TLV3401IDBVR in existing designs?

A: TS881ICT provides functional comparator operation with compatible operating temperature range and RoHS compliance. However, three design considerations apply: (1) Package is SC-70-5 (5-TSSOP) instead of SOT-23-5, requiring PCB footprint change; (2) Output type is push-pull instead of open-drain, affecting pull-up resistor requirements; (3) Supply voltage range is 0.85V ~ 5.5V, limiting use in applications requiring voltages above 5.5V. Schematic and layout review is necessary.

Q: Which substitute part is best for low-power applications?

A: TS881ICT offers the lowest quiescent current at 500nA maximum, followed by TLV3401IDBVR at 950nA. For applications requiring extended supply voltage range with low power consumption, TLV3401IDBVR remains optimal. For designs limited to 5.5V or below, TS881ICT provides superior power efficiency.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (TLV3401IDBVT, MCP6566UT-E/OT, MCP65R46T-1202E/CHY, MCP65R46T-2402E/CHY, and TS881ICT) maintain ROHS3 compliance and MSL Level 1 moisture sensitivity rating, matching the original TLV3401IDBVR specification.

Q: What is the primary substitution criterion for these comparators?

A: The primary criterion is functional equivalence as a general-purpose comparator with compatible output type (CMOS open-drain or push-pull), operating temperature range (-40°C ~ 125°C), and surface mount packaging. Supply voltage range overlap and specific performance parameters (propagation delay, input offset, quiescent current) determine suitability for individual applications.

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