OPA830IDBVT Equivalent & Substitute Parts

Part Overview

The OPA830IDBVT is a voltage feedback operational amplifier manufactured by Texas Instruments, housed in a SOT-23-5 surface mount package. This single-circuit amplifier is designed for high-speed signal conditioning applications requiring a gain bandwidth product of 110 MHz and slew rate of 600V/µs. The OPA830IDBVT is designated as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	1	—
Slew Rate	600	V/µs
Gain Bandwidth Product	110	MHz
-3dB Bandwidth	310	MHz
Current - Input Bias	5	µA
Voltage - Input Offset	1.5	mV
Current - Supply	4.25	mA
Current - Output / Channel	85	mA
Voltage - Supply Span (Min)	2.8	V
Voltage - Supply Span (Max)	11	V
Operating Temperature	-40 to 85	°C
Package / Case	SC-74A, SOT-753	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	2 (1 Year)	—

Substitute Part Grouping Explanation

Substitution of the OPA830IDBVT is determined by electrical and mechanical compatibility across the following critical parameters:

Mechanical Compatibility: All substitute parts maintain identical package designation (SC-74A, SOT-753) and SOT-23-5 supplier device package, ensuring direct PCB footprint compatibility without layout modification.

Electrical Compatibility: Substitute parts must operate within the supply voltage range of 2.8V to 11V and maintain single-circuit voltage feedback amplifier topology. The operating temperature range of -40°C to 85°C is consistent across all listed substitutes.

Performance Parameters: Substitutes are grouped based on slew rate, gain bandwidth product, and -3dB bandwidth specifications. Parts with higher slew rates and bandwidth capabilities represent enhanced performance alternatives. Input bias current, input offset voltage, and output current specifications vary among substitutes but remain within acceptable ranges for voltage feedback amplifier applications.

Compliance & Status: All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment. Product status differentiation between Active (substitutes) and Last Time Buy (main part) reflects current market availability.

Parameter Comparison

Parameter	OPA830IDBVT	OPA830IDBVR	AD8055ARTZ-REEL7	AD8057ARTZ-R2	AD8057ARTZ-REEL	AD8057ARTZ-REEL7
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback	Voltage Feedback
Number of Circuits	1	1	1	1	1	1
Slew Rate (V/µs)	600	600	1400	1150	1150	1150
Gain Bandwidth Product (MHz)	110	110	—	—	—	—
-3dB Bandwidth (MHz)	310	310	300	325	325	325
Current - Input Bias (µA)	5	5	0.4	0.5	0.5	0.5
Voltage - Input Offset (mV)	1.5	1.5	3	1	1	1
Current - Supply (mA)	4.25	4.25	5.4	6	6	6
Current - Output / Channel (mA)	85	85	60	—	—	—
Voltage - Supply Span (Min)	2.8 V	2.8 V	8 V	3 V	3 V	3 V
Voltage - Supply Span (Max)	11 V	11 V	12 V	12 V	12 V	12 V
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	2 (1 Year)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Last Time Buy	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Parametric Equivalent: The OPA830IDBVR is the primary substitute for the OPA830IDBVT. Both parts are manufactured by Texas Instruments and share identical electrical specifications including slew rate (600V/µs), gain bandwidth product (110 MHz), and -3dB bandwidth (310 MHz). The OPA830IDBVR maintains the same supply voltage range (2.8V to 11V) and operating temperature range (-40°C to 85°C). The distinction between these parts is product status: OPA830IDBVR is Active, whereas OPA830IDBVT is Last Time Buy. Both parts carry ROHS3 compliance and identical moisture sensitivity levels. This substitution requires no circuit redesign and provides direct form-factor compatibility.

Enhanced Performance Alternatives: The AD8057ARTZ-R2, AD8057ARTZ-REEL, and AD8057ARTZ-REEL7 (all Analog Devices Inc.) offer improved performance characteristics with higher slew rates (1150V/µs versus 600V/µs) and increased -3dB bandwidth (325 MHz versus 310 MHz). These parts maintain compatible supply voltage ranges (3V to 12V minimum to maximum) and identical operating temperature specifications. The AD8057 series exhibits lower input bias current (500 nA versus 5 µA) and reduced input offset voltage (1 mV versus 1.5 mV). All three AD8057 variants are Active products with superior moisture sensitivity ratings (MSL 1, Unlimited versus MSL 2, 1 Year). These substitutes are suitable for applications requiring enhanced bandwidth and slew rate performance within the same package footprint.

Alternative Performance Option: The AD8055ARTZ-REEL (Analog Devices Inc.) provides the highest slew rate (1400V/µs) among listed substitutes but operates within a narrower supply voltage range (8V to 12V minimum to maximum). This part is suitable only for applications with fixed supply voltages within this range. The AD8055 exhibits lower input bias current (400 nA) and maintains -3dB bandwidth of 300 MHz. This substitute is Active with MSL 1 moisture sensitivity rating.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original OPA830IDBVT. Selection among substitutes should prioritize Active product status to ensure long-term supply chain availability and support.

Frequently Asked Questions (FAQ)

Q: Can the OPA830IDBVR be used as a direct replacement for the OPA830IDBVT without circuit modification?

A: Yes. The OPA830IDBVR is a parametric equivalent with identical electrical specifications and package designation. No circuit redesign is required. The primary difference is product status: OPA830IDBVR is Active while OPA830IDBVT is Last Time Buy.

Q: What are the key differences between the OPA830IDBVT and the AD8057 series substitutes?

A: The AD8057 series (AD8057ARTZ-R2, AD8057ARTZ-REEL, AD8057ARTZ-REEL7) offers higher slew rate (1150V/µs versus 600V/µs), increased -3dB bandwidth (325 MHz versus 310 MHz), and lower input bias current (500 nA versus 5 µA). All parts share identical package footprints and operating temperature ranges. The AD8057 series is manufactured by Analog Devices Inc. rather than Texas Instruments.

Q: Are all substitute parts compatible with the same PCB layout as the OPA830IDBVT?

A: Yes. All listed substitute parts use the SC-74A, SOT-753 package designation with SOT-23-5 supplier device package specification. PCB footprints are identical, and no layout modification is required for any substitution.

Q: What is the significance of the supply voltage range differences among substitutes?

A: The OPA830IDBVT operates from 2.8V to 11V. The AD8055ARTZ-REEL operates from 8V to 12V, which is a narrower range unsuitable for low-voltage applications below 8V. The AD8057 series operates from 3V to 12V, which is compatible with the original part's minimum supply voltage requirement of 2.8V for most practical applications. Supply voltage range compatibility must be verified against specific application requirements.

Q: How do moisture sensitivity levels affect component handling and storage?

A: The OPA830IDBVT carries MSL 2 (1 Year) rating, requiring controlled storage conditions with moisture exposure limits. The AD8057 and AD8055 substitutes carry MSL 1 (Unlimited) ratings, allowing indefinite storage without moisture control requirements. MSL 1 components provide superior shelf-life characteristics and reduced handling constraints.

Q: Which substitute part offers the best performance improvement over the OPA830IDBVT?

A: The AD8055ARTZ-REEL provides the highest slew rate (1400V/µs) but operates within a narrower supply voltage range (8V to 12V). The AD8057 series provides balanced performance improvement with 1150V/µs slew rate and 325 MHz bandwidth while maintaining broader supply voltage compatibility (3V to 12V). Selection depends on specific application requirements for slew rate, bandwidth, and supply voltage constraints.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification and REACH unaffected status, matching the regulatory compliance of the original OPA830IDBVT.

Q: What inventory considerations should guide substitute part selection?

A: The OPA830IDBVR offers the highest inventory availability (35,400 pcs) among substitutes and provides direct parametric equivalence. The AD8055ARTZ-REEL7 (32,712 pcs) and AD8057ARTZ-REEL (3,492 pcs) offer substantial inventory. The AD8057ARTZ-R2 (785 pcs) and AD8057ARTZ-REEL7 (1,448 pcs) have lower inventory levels. For long-term supply chain reliability, prioritize parts with higher inventory availability and Active product status.

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