OPA690IDBVT Equivalent & Substitute Parts

Part Overview

The OPA690IDBVT is a voltage feedback operational amplifier manufactured by Texas Instruments, housed in a SOT-23-6 surface mount package. This device is classified as a Last Time Buy product, indicating discontinued production with limited remaining inventory of 2134 pieces. The OPA690IDBVT serves applications requiring high-speed voltage feedback amplification with a gain bandwidth product of 300 MHz and slew rate of 1800V/µs. Due to its Last Time Buy status, identifying equivalent and substitute parts is essential for design continuity and long-term supply chain planning.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	1	—
Slew Rate	1800	V/µs
Gain Bandwidth Product	300	MHz
-3dB Bandwidth	500	MHz
Current - Input Bias	3	µA
Voltage - Input Offset	1	mV
Current - Supply	5.5	mA
Current - Output / Channel	190	mA
Voltage - Supply Span (Min)	5	V
Voltage - Supply Span (Max)	12	V
Operating Temperature Range	-40 to 85	°C
Mounting Type	Surface Mount	—
Package / Case	SOT-23-6	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	2 (1 Year)	—

Substitute Part Grouping Explanation

Substitution of the OPA690IDBVT is determined by strict alignment of electrical and mechanical parameters within the operational amplifier category. The primary substitution criteria are:

Parametric Equivalence Requirements:

Amplifier topology (Voltage Feedback)
Single circuit configuration
Package type (SOT-23-6)
Supply voltage range (5V to 12V minimum)
Operating temperature range (-40°C to 85°C minimum)
Compliance certifications (RoHS3, REACH Unaffected)

Substitute Classification:

Parametric Equivalent: OPA690IDBVR is an identical electrical and mechanical equivalent from Texas Instruments. All electrical parameters, package specifications, and compliance certifications match the OPA690IDBVT exactly. The primary distinction is product status (Active vs. Last Time Buy) and packaging format (Digi-Reel® variant). This part is suitable for direct substitution with no circuit modifications required.

Manufacturer Recommended Alternative: EL5106IWZ-T7A is a Renesas Electronics Corporation general-purpose amplifier offered as a manufacturer-recommended alternative. While this part shares the same SOT-23-6 package, supply voltage range, operating temperature range, and compliance status, it differs in amplifier classification (General Purpose vs. Voltage Feedback) and exhibits different electrical performance characteristics. This part is classified as Obsolete, limiting its viability for new designs despite its technical compatibility.

Parameter Comparison

Parameter	OPA690IDBVT (Main)	OPA690IDBVR (Parametric Equivalent)	EL5106IWZ-T7A (MFR Recommended)
Manufacturer	Texas Instruments	Texas Instruments	Renesas Electronics
Amplifier Type	Voltage Feedback	Voltage Feedback	General Purpose
Number of Circuits	1	1	1
Slew Rate (V/µs)	1800	1800	4500
Gain Bandwidth Product (MHz)	300	300	—
-3dB Bandwidth (MHz)	500	500	380
Current - Input Bias (µA)	3	3	1.5
Voltage - Input Offset (mV)	1	1	1
Current - Supply (mA)	5.5	5.5	1.5
Current - Output / Channel (mA)	190	190	100
Voltage - Supply Span (Min - Max)	5 - 12 V	5 - 12 V	5 - 12 V
Operating Temperature Range	-40 to 85°C	-40 to 85°C	-40 to 85°C
Package / Case	SOT-23-6	SOT-23-6	SOT-23-6
Product Status	Last Time Buy	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	2 (1 Year)	2 (1 Year)	2 (1 Year)

Engineering Selection Recommendations

For Direct Substitution (No Circuit Modification):

The OPA690IDBVR is the recommended substitute for the OPA690IDBVT. This part maintains identical electrical specifications, package configuration, and compliance certifications. The OPA690IDBVR is currently in Active product status with significantly higher inventory availability (28,945 pieces), ensuring long-term supply continuity. Selection of OPA690IDBVR eliminates design risk and requires no circuit validation.

For Alternative Consideration (Conditional Use):

The EL5106IWZ-T7A presents a package-compatible alternative with shared supply voltage and temperature operating ranges. However, this part carries Obsolete product status, which restricts its suitability for new designs or long-term production commitments. The EL5106IWZ-T7A exhibits different electrical performance characteristics, including higher slew rate (4500V/µs vs. 1800V/µs), lower -3dB bandwidth (380 MHz vs. 500 MHz), reduced supply current (1.5 mA vs. 5.5 mA), and lower output current capability (100 mA vs. 190 mA). These differences may require circuit redesign and performance validation. Use of EL5106IWZ-T7A is limited to applications where these performance trade-offs are acceptable and where Obsolete product status does not conflict with supply chain requirements.

Compliance and Regulatory Considerations:

All three parts maintain ROHS3 compliance and REACH Unaffected status, satisfying environmental and regulatory requirements for industrial and commercial applications. Moisture sensitivity level remains consistent at MSL 2 (1 Year) across all options.

Frequently Asked Questions (FAQ)

Q: Can OPA690IDBVR be used as a direct replacement for OPA690IDBVT without circuit modifications?

A: Yes. The OPA690IDBVR is a parametric equivalent with identical electrical specifications, package type, and compliance certifications. No circuit modifications are required for direct substitution.

Q: What is the primary difference between OPA690IDBVT and OPA690IDBVR?

A: The OPA690IDBVT is classified as Last Time Buy with limited inventory (2,134 pieces), while OPA690IDBVR is Active with higher availability (28,945 pieces). All electrical and mechanical parameters are identical.

Q: Is the EL5106IWZ-T7A suitable for new product designs?

A: The EL5106IWZ-T7A carries Obsolete product status, making it unsuitable for new designs requiring long-term supply assurance. This part should be considered only for legacy system maintenance or applications where Obsolete status does not conflict with supply chain strategy.

Q: What are the key electrical differences between OPA690IDBVT and EL5106IWZ-T7A?

A: The EL5106IWZ-T7A exhibits higher slew rate (4500V/µs vs. 1800V/µs), lower -3dB bandwidth (380 MHz vs. 500 MHz), reduced supply current (1.5 mA vs. 5.5 mA), and lower output current capability (100 mA vs. 190 mA). These differences may impact circuit performance and require validation.

Q: Are all substitute parts available in the same package configuration?

A: Yes. OPA690IDBVT, OPA690IDBVR, and EL5106IWZ-T7A are all housed in SOT-23-6 surface mount packages, ensuring mechanical compatibility with existing PCB layouts.

Q: Do all parts meet the same compliance and environmental standards?

A: Yes. All three parts are ROHS3 compliant, REACH Unaffected, and maintain MSL 2 (1 Year) moisture sensitivity level, satisfying equivalent regulatory and environmental requirements.

Q: What supply voltage range is supported by all substitute options?

A: All parts support a supply voltage range of 5V to 12V, ensuring compatibility with standard industrial and commercial power supply configurations.

Q: What is the operating temperature range for all substitute parts?

A: All parts operate across the temperature range of -40°C to 85°C, suitable for industrial and extended commercial applications.

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