TLV3702CDGK Equivalent & Substitute Parts

Part Overview

The TLV3702CDGK is a general-purpose dual comparator IC manufactured by Texas Instruments, featuring CMOS push-pull rail-to-rail output architecture in an 8-VSSOP surface-mount package. This part is classified as obsolete, with 4303 units currently in stock. Due to its obsolete status, identifying functionally equivalent active alternatives is essential for design continuity and long-term supply chain reliability. Substitute parts must maintain compatibility across electrical performance parameters, package form factor, and mounting technology while preferably offering active product status.

Key Parameters

Parameter	TLV3702CDGK
Manufacturer	Texas Instruments
Category	Linear - Comparator
Type	General Purpose
Number of Elements	2
Output Type	CMOS, Push-Pull, Rail-to-Rail
Voltage Supply (Single/Dual)	2.5V ~ 16V / ±1.25V ~ 8V
Input Offset Voltage (Max)	5mV @ 15V
Input Bias Current (Max)	250pA @ 15V
Output Current (Typ)	10mA
Quiescent Current (Max)	1µA
CMRR / PSRR (Typ)	88dB / 105dB
Operating Temperature	0°C ~ 70°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Primary Compatibility Criteria:

Dual comparator architecture (2 elements)
General-purpose application classification
CMOS output stage with push-pull or rail-to-rail capability
Surface-mount package technology
Supply voltage range overlap with 2.5V ~ 16V single supply or ±1.25V ~ 8V dual supply
Operating temperature range compatibility or extension
RoHS3 compliance and MSL Level 1 rating

Substitute Categories:

Direct Pin-Compatible Replacements (8-VSSOP/8-TSSOP): TLV3702IDGKR maintains identical pinout and package footprint with extended operating temperature range (-40°C ~ 125°C) and improved supply voltage floor (2.7V minimum).
Functional Equivalents with Package Variation (8-SOIC): ALD2302ASAL and ALD2332BSAL provide dual comparator functionality in 8-SOIC packages with different electrical characteristics (4V ~ 10V supply range, higher output current capability).
Functional Equivalents with Package Variation (8-DIP): ALD2332BPAL and ALD2332PAL offer through-hole mounting alternatives in 8-DIP packages for legacy or breadboard applications.
Advanced Alternatives (8-DFN): LTC6702CDC#TRPBF and LTC6702HDC#TRMPBF provide compact 8-DFN form factors with extended temperature range and integrated hysteresis specifications.
High-Performance Alternatives (8-uMAX/uSOP): MAX9022AUA+T and MAX9032AUA+ deliver superior CMRR/PSRR performance and faster propagation delay in compact 8-TSSOP packages.

Parameter Comparison

Part Number	Manufacturer	Package	Supply Voltage	Input Offset (Max)	Output Type	Quiescent Current (Max)	Operating Temp	Product Status
TLV3702CDGK	Texas Instruments	8-VSSOP	2.5V ~ 16V	5mV @ 15V	CMOS, Push-Pull, Rail-to-Rail	1µA	0°C ~ 70°C	Obsolete
TLV3702IDGKR	Texas Instruments	8-VSSOP	2.7V ~ 16V	5mV @ 15V	CMOS, Push-Pull, Rail-to-Rail	1µA	-40°C ~ 125°C	Active
ALD2302ASAL	Advanced Linear Devices	8-SOIC	4V ~ 10V	1mV @ 5V	CMOS, NMOS, Push-Pull, TTL	500µA	0°C ~ 70°C	Active
ALD2332BPAL	Advanced Linear Devices	8-DIP	4V ~ 10V	1mV @ 5V	CMOS, NMOS, Push-Pull, TTL	500µA	0°C ~ 70°C	Active
ALD2332BSAL	Advanced Linear Devices	8-SOIC	4V ~ 10V	1mV @ 5V	CMOS, NMOS, Push-Pull, TTL	500µA	0°C ~ 70°C	Active
ALD2332PAL	Advanced Linear Devices	8-DIP	4V ~ 10V	2mV @ 5V	CMOS, NMOS, Push-Pull, TTL	500µA	0°C ~ 70°C	Active
LTC6702CDC#TRPBF	Analog Devices	8-DFN (2x2)	1.7V ~ 5.5V	4.6mV @ 3V	CMOS, Push-Pull, Rail-to-Rail, TTL	32µA	0°C ~ 70°C	Active
LTC6702HDC#TRMPBF	Analog Devices	8-DFN (2x2)	1.7V ~ 5.5V	4.6mV @ 3V	CMOS, Push-Pull, Rail-to-Rail, TTL	32µA	-40°C ~ 125°C	Active
MAX9022AUA+T	Analog Devices/Maxim	8-TSSOP	2.5V ~ 5.5V	1mV @ 5V	CMOS, Rail-to-Rail, TTL	5µA	-40°C ~ 125°C	Active
MAX9032AUA+	Analog Devices/Maxim	8-TSSOP	2.5V ~ 5.5V	1mV @ 5V	Push-Pull, Rail-to-Rail	55µA	-40°C ~ 125°C	Active

Engineering Selection Recommendations

For Direct Replacement (Recommended Primary Choice): TLV3702IDGKR is the manufacturer-recommended successor to TLV3702CDGK. It maintains identical pinout, package footprint (8-VSSOP), and electrical performance while offering active product status, extended operating temperature range (-40°C ~ 125°C), and improved supply voltage floor (2.7V minimum). Both parts are ROHS3 compliant with MSL Level 1 rating. This substitution requires no circuit redesign.

For Surface-Mount Alternatives with Extended Temperature Range: MAX9022AUA+T and MAX9032AUA+ provide active alternatives in 8-TSSOP packages with superior CMRR/PSRR specifications and extended temperature operation (-40°C ~ 125°C). However, these parts operate within a narrower supply voltage range (2.5V ~ 5.5V), limiting applicability to designs not requiring the full 2.5V ~ 16V range of the original part.

For Compact Form Factor (8-DFN): LTC6702HDC#TRMPBF offers active status with extended temperature range (-40°C ~ 125°C) in a space-efficient 8-DFN package. The narrower supply voltage range (1.7V ~ 5.5V) and lower quiescent current (32µA) suit low-power applications. Hysteresis specification (8.2mV) is provided for this variant.

For Through-Hole or Legacy Applications: ALD2332BPAL and ALD2332PAL provide dual comparator functionality in 8-DIP packages with active product status. These parts operate within 4V ~ 10V supply range and are suitable for breadboard prototyping or legacy PCB designs requiring through-hole mounting.

Compliance Verification: All recommended substitutes maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing processes and environmental standards.

Frequently Asked Questions (FAQ)

Q: Can TLV3702IDGKR be used as a direct drop-in replacement for TLV3702CDGK? A: Yes. TLV3702IDGKR is the active successor part with identical pinout and 8-VSSOP package footprint. The primary differences are extended operating temperature range (-40°C ~ 125°C versus 0°C ~ 70°C) and marginally improved supply voltage floor (2.7V minimum versus 2.5V minimum). No circuit modifications are required.

Q: What is the key limitation when substituting MAX9022AUA+T or MAX9032AUA+ for TLV3702CDGK? A: The MAX series parts operate within a narrower supply voltage range (2.5V ~ 5.5V) compared to the original part (2.5V ~ 16V). These substitutes are suitable only for designs operating within this reduced voltage window. Verify your application's supply voltage requirements before selection.

Q: Are ALD2302ASAL and ALD2332BSAL pin-compatible with TLV3702CDGK? A: No. While both are dual comparators with similar functionality, the ALD series parts use 8-SOIC packages instead of 8-VSSOP, requiring PCB layout modifications. Additionally, the ALD series operates within 4V ~ 10V supply range, which may not accommodate applications requiring the full 2.5V ~ 16V range of the original part.

Q: What are the advantages of LTC6702HDC#TRMPBF over TLV3702CDGK? A: LTC6702HDC#TRMPBF offers active product status, extended operating temperature range (-40°C ~ 125°C), and a more compact 8-DFN (2x2) package. However, it operates within a narrower supply voltage range (1.7V ~ 5.5V) and has lower quiescent current (32µA versus 1µA), making it suitable for low-power applications but not for high-voltage designs.

Q: Can I use through-hole ALD2332 variants if my PCB is designed for surface-mount? A: No. ALD2332BPAL and ALD2332PAL are through-hole 8-DIP packages, incompatible with surface-mount PCB designs. These parts are suitable only for legacy boards or breadboard prototyping. For surface-mount applications, select from 8-VSSOP, 8-SOIC, 8-TSSOP, or 8-DFN alternatives.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All recommended substitute parts listed maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing standards and environmental regulations.

Q: What is the primary reason to transition from TLV3702CDGK? A: TLV3702CDGK is classified as obsolete. Transitioning to an active alternative such as TLV3702IDGKR ensures long-term supply chain reliability, continued manufacturer support, and access to current production batches with consistent quality and traceability.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message