TLV3401IDR Equivalent & Substitute Parts

Part Overview

The TLV3401IDR is a general-purpose CMOS comparator with open-drain output in 8-SOIC packaging, manufactured by Texas Instruments. This device operates across a wide supply voltage range (2.7V to 16V single supply, ±1.35V to ±8V dual supply) and is designed for precision voltage comparison applications. The part is currently in Last Time Buy status, indicating end-of-life production. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain flexibility for new production runs or design revisions.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLV3401IDR
Manufacturer	Texas Instruments
Category	Linear
Type	General Purpose Comparator
Output Type	CMOS, Open-Drain
Package / Case	8-SOIC (0.154", 3.90mm Width)
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 CMRR, 105dB PSRR
Propagation Delay (Max)	300µs
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution of the TLV3401IDR is determined by the following critical parameters:

Electrical Compatibility Requirements:

Output type must be CMOS, Open-Drain or Open-Drain
Supply voltage range must encompass or overlap with 2.7V ~ 16V (single supply)
Input offset voltage, input bias current, and quiescent current must be within acceptable design margins
Propagation delay characteristics must support application timing requirements
Operating temperature range must include -40°C ~ 125°C or be compatible with the application's thermal envelope

Mechanical Compatibility Requirements:

Package type determines physical substitution capability
8-SOIC package is directly compatible with identical 8-SOIC packages
SOT-23-5 packages represent a different form factor and require PCB layout modification

Compliance Requirements:

RoHS3 compliance is mandatory for new designs
MSL rating of 1 (Unlimited) is standard across all listed parts

Substitute parts are grouped into two categories: direct package replacements (8-SOIC) and alternative package options (SOT-23-5) that maintain electrical equivalence but require layout changes.

Parameter Comparison

Parameter	TLV3401IDR	TLV3401IDBVR	MAX988ESA+	MAX988ESA+T	MCP6566RT-E/OT
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Microchip Technology
Package / Case	8-SOIC	SOT-23-5	8-SOIC	8-SOIC	SOT-23-5
Output Type	CMOS, Open-Drain	CMOS, Open-Drain	Open-Drain	Open-Drain	CMOS, Open-Drain
Voltage - Supply (Single)	2.7V ~ 16V	2.7V ~ 16V	2.5V ~ 5.5V	2.5V ~ 5.5V	1.8V ~ 5.5V
Voltage - Input Offset (Max)	3.6mV @ 15V	3.6mV @ 15V	5mV @ 5.5V	5mV @ 5.5V	10mV @ 5.5V
Current - Input Bias (Max)	250pA @ 15V	250pA @ 15V	1pA @ 5.5V	1pA @ 5.5V	1pA @ 5.5V
Current - Output (Typ)	10mA	10mA	—	—	50mA
Current - Quiescent (Max)	950nA	950nA	96µA	96µA	130µA
CMRR, PSRR (Typ)	88dB CMRR, 105dB PSRR	88dB CMRR, 105dB PSRR	80dB CMRR, 80dB PSRR	80dB CMRR, 80dB PSRR	66dB CMRR, 70dB PSRR
Propagation Delay (Max)	300µs	300µs	210ns	210ns	80ns
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Product Status	Last Time Buy	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Package Replacement (8-SOIC):

TLV3401IDBVR is the primary substitute for TLV3401IDR when package compatibility is required. Both devices are manufactured by Texas Instruments and share identical electrical specifications. TLV3401IDBVR is in Active product status, ensuring long-term availability and supply continuity. The only difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect electrical performance or PCB integration.

MAX988ESA+ and MAX988ESA+T are alternative 8-SOIC options from Analog Devices Inc./Maxim Integrated. These devices operate within a narrower supply voltage range (2.5V ~ 5.5V) compared to the TLV3401IDR (2.7V ~ 16V). Selection of MAX988 variants is appropriate only for applications operating within the 2.5V to 5.5V supply range. Both variants are in Active product status and ROHS3 compliant. MAX988ESA+ is supplied in Tube packaging, while MAX988ESA+T packaging is not specified.

Alternative Package Option (SOT-23-5):

MCP6566RT-E/OT is a Microchip Technology comparator in SOT-23-5 package that provides electrical equivalence with different form factor. This device operates across 1.8V ~ 5.5V supply range and features faster propagation delay (80ns) compared to TLV3401IDR (300µs). MCP6566RT-E/OT is in Active product status and ROHS3 compliant. Selection of this part requires PCB layout modification to accommodate the SOT-23-5 package footprint.

Compliance and Availability:

All substitute parts listed are ROHS3 compliant with MSL rating of 1 (Unlimited), meeting current regulatory requirements. TLV3401IDBVR offers the highest supply availability (38,633 pieces in stock) and maintains identical electrical specifications to the original part, making it the preferred substitute for direct replacement applications.

Frequently Asked Questions (FAQ)

Q: Can TLV3401IDBVR directly replace TLV3401IDR without circuit modification?

A: Yes. TLV3401IDBVR is electrically identical to TLV3401IDR and shares the same base product number. The difference is packaging format (SOT-23-5 versus 8-SOIC). Direct electrical substitution is valid; however, PCB layout modification is required due to different package footprints.

Q: What is the key limitation when using MAX988ESA+ as a substitute?

A: The MAX988ESA+ operates within a narrower supply voltage range (2.5V ~ 5.5V single supply) compared to TLV3401IDR (2.7V ~ 16V). This part is suitable only for applications operating within the 2.5V to 5.5V envelope. Additionally, the operating temperature range is limited to -40°C ~ 85°C, which may not support applications requiring operation to 125°C.

Q: Is MCP6566RT-E/OT suitable for low-speed comparison applications?

A: MCP6566RT-E/OT features significantly faster propagation delay (80ns) compared to TLV3401IDR (300µs). This part is suitable for applications requiring faster response times. However, the supply voltage range is limited to 1.8V ~ 5.5V. PCB layout modification is required due to SOT-23-5 package format.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (TLV3401IDBVR, MAX988ESA+, MAX988ESA+T, and MCP6566RT-E/OT) are ROHS3 compliant with MSL rating of 1 (Unlimited).

Q: Which substitute offers the best supply availability?

A: TLV3401IDBVR offers the highest inventory level at 38,633 pieces in stock, followed by MCP6566RT-E/OT at 18,322 pieces. Both parts are in Active product status, ensuring long-term availability.

Q: Can I use MCP6566RT-E/OT in a design originally specified for 8-SOIC package?

A: MCP6566RT-E/OT uses SOT-23-5 package, which has a different footprint than 8-SOIC. PCB layout modification is required. Electrical compatibility exists within the overlapping supply voltage range (1.8V ~ 5.5V), but physical integration requires design changes.

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