TLV3404CDR Equivalent & Substitute Parts

Part Overview

The TLV3404CDR is a general-purpose CMOS comparator with open-drain output configuration, housed in a 14-SOIC surface-mount package. This device is classified as Last Time Buy, indicating discontinued production. The TLV3404CDR operates across a wide supply voltage range of 2.5V to 16V (single supply) or ±1.25V to ±8V (dual supply), making it suitable for diverse analog signal comparison applications. Due to its Last Time Buy status, identifying functionally equivalent alternatives is essential for design continuity and long-term component availability.

Key Parameters

Parameter	TLV3404CDR Value
Manufacturer	Texas Instruments
Category	Linear
Type	General Purpose Comparator
Number of Elements	4
Output Type	CMOS, Open-Drain
Voltage - Supply, Single/Dual (±)	2.5V ~ 16V, ±1.25V ~ 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	0°C ~ 70°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Last Time Buy
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TLV3404CDR is determined by the following critical parameters:

Primary Compatibility Criteria:

Number of Elements: 4 comparators per package
Output Type: CMOS, Open-Drain configuration
Package Type: 14-SOIC or equivalent footprint
Supply Voltage Range: Must encompass or exceed 2.5V ~ 16V (single) or ±1.25V ~ 8V (dual)
Input Offset Voltage: Maximum 3.6mV @ 15V
Input Bias Current: Maximum 250pA @ 15V
Quiescent Current: Maximum 950nA
CMRR/PSRR Performance: Minimum 88dB CMRR, 105dB PSRR

Substitute Categories:

Category A - Direct Pin-Compatible Replacements (14-SOIC Package):

TLV3404IDR: Texas Instruments active product with extended temperature range and improved supply voltage floor (2.7V minimum)
MAX994ESD+T: Analog Devices/Maxim Integrated alternative with rail-to-rail output and TTL compatibility; restricted to 2.5V ~ 5.5V supply range
MAX996ESD+T: Analog Devices/Maxim Integrated alternative with faster propagation delay (210ns) and tape & reel packaging

Category B - Package Variant Substitutes (14-TSSOP Package):

MCP6569-E/ST: Microchip Technology alternative with extended supply range (1.8V ~ 5.5V) and faster propagation delay (80ns); requires PCB layout adjustment due to different package footprint
MCP6569T-E/ST: Microchip Technology variant with tape & reel packaging and identical electrical specifications to MCP6569-E/ST

Parameter Comparison

Parameter	TLV3404CDR	TLV3404IDR	MAX994ESD+T	MAX996ESD+T	MCP6569-E/ST	MCP6569T-E/ST
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices/Maxim	Analog Devices/Maxim	Microchip Technology	Microchip Technology
Number of Elements	4	4	4	4	4	4
Output Type	CMOS, Open-Drain	CMOS, Open-Drain	CMOS, Open-Drain, Rail-to-Rail, TTL	CMOS, Open-Drain, Rail-to-Reel, TTL	CMOS, Open-Drain	CMOS, Open-Drain
Voltage - Supply, Single/Dual (±)	2.5V ~ 16V, ±1.25V ~ 8V	2.7V ~ 16V, ±1.35V ~ 8V	2.5V ~ 5.5V, ±1.25V ~ 2.75V	2.5V ~ 5.5V, ±1.25V ~ 2.75V	1.8V ~ 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	10mV @ 5.5V
Current - Input Bias (Max)	250pA @ 15V	250pA @ 15V	1pA @ 5.5V	1pA @ 5.5V	1pA @ 5.5V	1pA @ 5.5V
Current - Quiescent (Max)	950nA	950nA	24µA	96µA	130µA	130µA
CMRR, PSRR (Typ)	88dB CMRR, 105dB PSRR	88dB CMRR, 105dB PSRR	80dB CMRR, 80dB PSRR	80dB CMRR, 80dB PSRR	66dB CMRR, 70dB PSRR	66dB CMRR, 70dB PSRR
Propagation Delay (Max)	300µs	300µs	450ns	210ns	80ns	80ns
Operating Temperature	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-TSSOP	14-TSSOP
Product Status	Last Time Buy	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (No PCB Redesign):

TLV3404IDR is the primary recommended substitute. As an active Texas Instruments product with identical electrical specifications and 14-SOIC packaging, it provides seamless integration into existing designs. The extended operating temperature range (-40°C ~ 125°C) exceeds the original TLV3404CDR specification, offering improved reliability across broader environmental conditions. ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) maintain regulatory and manufacturing compatibility.

For Supply Voltage-Constrained Applications (≤5.5V):

MAX994ESD+T or MAX996ESD+T are suitable alternatives when designs operate exclusively within 2.5V ~ 5.5V supply range. Both devices maintain 14-SOIC packaging and ROHS3 compliance. MAX996ESD+T offers superior propagation delay performance (210ns versus 300µs), beneficial for time-critical applications. The rail-to-rail and TTL output options provide additional interface flexibility.

For Extended Supply Range with Package Flexibility:

MCP6569-E/ST or MCP6569T-E/ST support the widest supply voltage range (1.8V ~ 5.5V) and deliver the fastest propagation delay (80ns). These Microchip Technology devices require PCB layout modification due to 14-TSSOP packaging (0.173" width versus 0.154" for SOIC). Selection between MCP6569-E/ST (tube packaging) and MCP6569T-E/ST (tape & reel) depends on procurement and assembly requirements. Both maintain ROHS3 compliance and -40°C ~ 125°C operating temperature range.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification, ensuring regulatory continuity with the original TLV3404CDR specification.

Frequently Asked Questions (FAQ)

Q: Can TLV3404IDR be used as a direct drop-in replacement for TLV3404CDR?

A: Yes. TLV3404IDR shares identical electrical specifications, 14-SOIC package footprint, and pin configuration with TLV3404CDR. The primary difference is product status (Active versus Last Time Buy) and extended operating temperature range (-40°C ~ 125°C versus 0°C ~ 70°C). No circuit modifications are required.

Q: What are the key differences between TLV3404CDR and MAX994ESD+T?

A: Both devices provide four comparators in 14-SOIC packages with CMOS open-drain outputs. Critical differences include: (1) Supply voltage range restricted to 2.5V ~ 5.5V for MAX994ESD+T versus 2.5V ~ 16V for TLV3404CDR; (2) Input offset voltage of 5mV @ 5.5V versus 3.6mV @ 15V; (3) CMRR/PSRR performance of 80dB versus 88dB/105dB; (4) Propagation delay of 450ns versus 300µs. MAX994ESD+T is suitable only for low-voltage applications.

Q: Why do MCP6569 variants require PCB layout changes?

A: MCP6569-E/ST and MCP6569T-E/ST use 14-TSSOP packaging (0.173" width) instead of 14-SOIC (0.154" width). While pin count and function remain identical, the different package footprint requires PCB pad and trace repositioning. Existing 14-SOIC footprints cannot accommodate TSSOP packages without layout redesign.

Q: Which substitute offers the fastest response time?

A: MCP6569-E/ST and MCP6569T-E/ST provide the fastest propagation delay at 80ns maximum, compared to 300µs for TLV3404CDR. MAX996ESD+T offers intermediate performance at 210ns. Selection depends on application timing requirements and supply voltage constraints.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts (TLV3404IDR, MAX994ESD+T, MAX996ESD+T, MCP6569-E/ST, MCP6569T-E/ST) maintain ROHS3 compliance, matching the original TLV3404CDR specification.

Q: What is the difference between MCP6569-E/ST and MCP6569T-E/ST?

A: Both devices have identical electrical specifications and 14-TSSOP packaging. The primary difference is packaging format: MCP6569-E/ST is supplied in tube packaging, while MCP6569T-E/ST is supplied in tape & reel (TR) format. Selection depends on assembly line requirements and procurement preferences.

Q: Can TLV3404CDR be used in applications requiring operation below 2.5V?

A: No. TLV3404CDR minimum supply voltage is 2.5V (single supply) or ±1.25V (dual supply). For applications requiring 1.8V operation, MCP6569-E/ST or MCP6569T-E/ST are the only listed alternatives, though package redesign is necessary.

Q: What is the quiescent current difference between TLV3404CDR and substitute parts?

A: TLV3404CDR and TLV3404IDR both specify 950nA maximum quiescent current. MAX994ESD+T specifies 24µA, while MAX996ESD+T, MCP6569-E/ST, and MCP6569T-E/ST specify 96µA, 130µA, and 130µA respectively. For battery-powered or ultra-low-power applications, TLV3404IDR maintains the lowest quiescent current specification.

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