TLV2450CDBVRG4 Equivalent & Substitute Parts

Part Overview

The TLV2450CDBVRG4 is a general-purpose operational amplifier manufactured by Texas Instruments, housed in a SOT-23-6 surface mount package. This device features rail-to-rail output capability and is designed for low-power applications requiring single-circuit amplification. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	0.11	V/µs
Gain Bandwidth Product	220	kHz
Current - Input Bias	500	pA
Voltage - Input Offset	300	µV
Current - Supply	23	µA
Current - Output / Channel	10	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	6	V
Operating Temperature	0 to 70	°C
Package / Case	SOT-23-6	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLV2450CDBVRG4 is determined by the following critical parameters:

Primary Compatibility Criteria:

Amplifier Type: General Purpose
Number of Circuits: 1
Output Type: Rail-to-Rail
Package / Case: SOT-23-6 or equivalent form factor
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 2.7 V, Maximum 6 V (or compatible overlap)
Operating Temperature: 0°C to 70°C (or extended range)

Substitutes are grouped into two categories:

Category 1 – Direct Texas Instruments Equivalent: TLV2450CDBVR is the same base product (TLV2450) with identical electrical specifications and packaging. The difference is packaging format (Tape & Reel vs. Digi-Reel), making it a direct functional replacement with active product status.

Category 2 – Analog Devices LTC6252 Series: The LTC6252CS6#TRMPBF, LTC6252CS6#TRPBF, LTC6252HS6#TRMPBF, LTC6252IS6#TRMPBF, and LTC6252IS6#TRPBF are functionally equivalent general-purpose rail-to-rail amplifiers in TSOT-23-6 packaging. These devices share the same pinout and package footprint as SOT-23-6, enabling direct PCB substitution. All variants meet the supply voltage and operating temperature requirements of the original part.

Category 3 – Maxim Integrated MAX4323EUT+T: The MAX4323EUT+T is a general-purpose rail-to-rail amplifier in SOT-6 packaging. While electrically compatible with the TLV2450CDBVRG4 in terms of functional classification and supply voltage range, this device has different electrical performance characteristics and is included as an alternative for applications with relaxed performance requirements.

Parameter Comparison

Parameter	TLV2450CDBVRG4	TLV2450CDBVR	LTC6252CS6#TRMPBF	LTC6252CS6#TRPBF	LTC6252HS6#TRMPBF	LTC6252IS6#TRMPBF	LTC6252IS6#TRPBF	MAX4323EUT+T
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.11	0.11	280	280	280	280	280	2
Gain Bandwidth Product	220 kHz	220 kHz	720 MHz	720 MHz	720 MHz	720 MHz	720 MHz	5 MHz
Current - Input Bias	500 pA	500 pA	1.4 µA	1.4 µA	1.4 µA	1.4 µA	1.4 µA	50 nA
Voltage - Input Offset	300 µV	300 µV	100 µV	100 µV	100 µV	100 µV	100 µV	1.2 mV
Current - Supply	23 µA	23 µA	4.25 mA	4.25 mA	4.25 mA	4.25 mA	4.25 mA	725 µA
Current - Output / Channel	10 mA	10 mA	—	—	—	—	—	50 mA
Voltage - Supply Span (Min)	2.7 V	2.7 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.4 V
Voltage - Supply Span (Max)	6 V	6 V	5.25 V	5.25 V	5.25 V	5.25 V	5.25 V	6.5 V
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	-40 to 125°C	-40 to 85°C	-40 to 85°C	-40 to 85°C
Package / Case	SOT-23-6	SOT-23-6	TSOT-23-6	TSOT-23-6	TSOT-23-6	TSOT-23-6	TSOT-23-6	SOT-23-6
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Discontinued	Active	Last Time Buy	Last Time Buy	Last Time Buy	Last Time Buy	Last Time Buy	Active

Engineering Selection Recommendations

Primary Recommendation: TLV2450CDBVR

The TLV2450CDBVR is the preferred substitute for the discontinued TLV2450CDBVRG4. This part is manufactured by Texas Instruments with identical electrical specifications, pinout, and package footprint. The only difference is packaging format (Tape & Reel vs. Digi-Reel). The device maintains active product status, ensuring long-term availability and supply chain stability. ROHS3 compliance and MSL 1 rating are identical to the original part. This substitution requires no circuit redesign or PCB layout modification.

Secondary Recommendation: LTC6252 Series (Analog Devices)

The LTC6252CS6#TRMPBF, LTC6252CS6#TRPBF, LTC6252HS6#TRMPBF, LTC6252IS6#TRMPBF, and LTC6252IS6#TRPBF are functionally equivalent alternatives. These devices are housed in TSOT-23-6 packaging, which shares identical pinout and footprint compatibility with SOT-23-6, enabling direct PCB substitution without layout changes. All variants are ROHS3 compliant with MSL 1 rating. The LTC6252 series offers superior electrical performance (higher slew rate, wider bandwidth, lower input offset voltage) compared to the TLV2450CDBVRG4, making these parts suitable for applications requiring enhanced performance margins. Temperature range variants are available:

LTC6252HS6#TRMPBF: -40°C to 125°C (extended high-temperature range)
LTC6252IS6#TRMPBF and LTC6252IS6#TRPBF: -40°C to 85°C (industrial range)
LTC6252CS6#TRMPBF and LTC6252CS6#TRPBF: 0°C to 70°C (commercial range, matching original)

All LTC6252 variants carry Last Time Buy status, indicating limited future availability.

Tertiary Option: MAX4323EUT+T

The MAX4323EUT+T is an alternative general-purpose rail-to-rail amplifier manufactured by Analog Devices Inc./Maxim Integrated. This device maintains active product status and is housed in SOT-6 packaging, compatible with SOT-23-6 footprints. The part is ROHS3 compliant with MSL 1 rating. However, the MAX4323EUT+T exhibits significantly different electrical characteristics: lower slew rate (2 V/µs vs. 0.11 V/µs), lower gain bandwidth product (5 MHz vs. 220 kHz), higher supply current (725 µA vs. 23 µA), and higher input offset voltage (1.2 mV vs. 300 µV). This device is suitable only for applications with relaxed performance requirements and where the original TLV2450CDBVRG4 specifications are not critical.

Frequently Asked Questions (FAQ)

Q1: Can I directly replace TLV2450CDBVRG4 with TLV2450CDBVR on my PCB?

Yes. The TLV2450CDBVR is a direct functional equivalent with identical pinout, electrical specifications, and SOT-23-6 package footprint. No circuit redesign or PCB layout modification is required. The only difference is packaging format (Tape & Reel vs. Digi-Reel), which does not affect component performance or board assembly.

Q2: What is the difference between SOT-23-6 and TSOT-23-6 packaging?

SOT-23-6 and TSOT-23-6 are physically and electrically equivalent package designations. TSOT-23-6 denotes a thin variant of the SOT-23-6 package. Both share identical pinout, lead spacing, and PCB footprint dimensions. Components in either package can be substituted without PCB layout changes. The LTC6252 series uses TSOT-23-6 designation but is footprint-compatible with SOT-23-6 designs.

Q3: Why do the LTC6252 variants have different electrical performance than the TLV2450CDBVRG4?

The LTC6252 series is a higher-performance amplifier family designed for applications requiring faster slew rates, wider bandwidth, and lower input offset voltage. While both device families are general-purpose rail-to-rail amplifiers, the LTC6252 represents a more advanced design. For applications where the original TLV2450CDBVRG4 specifications are sufficient, the LTC6252 will operate within specification with performance margin. For applications requiring the exact electrical characteristics of the TLV2450CDBVRG4, the TLV2450CDBVR is the appropriate choice.

Q4: Are all substitute parts ROHS3 compliant?

Yes. All substitute parts listed (TLV2450CDBVR, LTC6252 series variants, and MAX4323EUT+T) are ROHS3 compliant. All carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original TLV2450CDBVRG4.

Q5: What is the difference between the LTC6252 temperature variants?

The LTC6252 series is available in three temperature grades:

Commercial (C): 0°C to 70°C (matches original TLV2450CDBVRG4 range)
Industrial (I): -40°C to 85°C (extended low-temperature range)
High-Temperature (H): -40°C to 125°C (extended full range)

Select the temperature variant matching your application's operating environment. For designs operating within 0°C to 70°C, the commercial-grade LTC6252CS6 variants are appropriate.

Q6: Why is the MAX4323EUT+T listed as a substitute if its performance is significantly different?

The MAX4323EUT+T is included as a tertiary option for applications where the original TLV2450CDBVRG4 specifications are not critical constraints. This device is suitable for low-frequency, low-speed applications where the reduced slew rate, lower bandwidth, and higher supply current are acceptable trade-offs. For performance-critical applications, the TLV2450CDBVR or LTC6252 series are preferred.

Q7: What is "Last Time Buy" status?

Last Time Buy status indicates that the manufacturer has announced end-of-life for the product. Existing inventory may be available for a limited period, but no new production is planned. The LTC6252 series variants carry this status. For long-term design support, the TLV2450CDBVR (Active status) or MAX4323EUT+T (Active status) are recommended.

Q8: Can I use the MAX4323EUT+T in a design originally specified for TLV2450CDBVRG4?

Substitution is possible only if your circuit design does not depend on the specific electrical characteristics of the TLV2450CDBVRG4. The MAX4323EUT+T has significantly lower slew rate, bandwidth, and higher supply current. Circuit simulation or bench testing is necessary to confirm compatibility with your specific application. For designs with performance margins or low-frequency operation, substitution may be acceptable.

Q9: Are there any pinout differences between the substitute parts?

No. All substitute parts (TLV2450CDBVR, LTC6252 series, and MAX4323EUT+T) share identical pinout in their respective 6-pin packages. Direct PCB substitution is possible without rewiring or layout modification.

Q10: Which substitute should I choose for a new design?

For new designs, the TLV2450CDBVR is recommended as the primary choice due to its active product status and identical specifications to the original part. If enhanced performance is beneficial, the LTC6252 series (specifically the temperature variant matching your application) offers superior electrical characteristics while maintaining footprint compatibility. The MAX4323EUT+T should be considered only if performance requirements are relaxed and cost is a primary constraint.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message