OPA363AIDRG4 Equivalent & Substitute Parts

Part Overview

The OPA363AIDRG4 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring rail-to-rail output capability in an 8-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The OPA363 series maintains consistent electrical performance across package variants, enabling direct substitution based on mechanical and packaging requirements.

Substiute Parts

OPA363AIDRG4

Texas InstrumentsIn Stock: 882OPA363AIDRG4 Datasheet

Current PartRFQ

OPA363AIDBVT

Texas InstrumentsIn Stock: 15330OPA363AIDBVT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OPA363AIDRG4 is determined by electrical parameter equivalence within the OPA363 base product family. The primary substitution criterion is functional compatibility: all substitute parts must maintain identical electrical specifications including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current capability, and supply voltage range.

The OPA363AIDBVT qualifies as a direct electrical substitute based on the following matching parameters:

• Slew Rate: 5 V/µs (identical)
• Gain Bandwidth Product: 7 MHz (identical)
• Current - Input Bias: 1 pA (identical)
• Voltage - Input Offset: 1 mV (identical)
• Current - Supply: 1.1 mA (identical)
• Current - Output / Channel: 85 mA (identical)
• Voltage - Supply Span: 1.8 V to 5.5 V (identical)
• Operating Temperature Range: -40°C to 125°C (identical)
• Rail-to-Rail Output Type (identical)

The distinction between OPA363AIDRG4 and OPA363AIDBVT is packaging format and product status only. The OPA363AIDRG4 uses 8-SOIC packaging, while OPA363AIDBVT uses SOT-23-6 packaging. Both are surface mount devices with equivalent electrical performance.

Parameter Comparison

Engineering Selection Recommendations

The OPA363AIDBVT is the qualified substitute for OPA363AIDRG4 based on electrical equivalence and active product status. Selection between these parts is determined by printed circuit board layout and mechanical constraints.

OPA363AIDRG4 (8-SOIC Package): Use when existing PCB designs require 8-SOIC footprint compatibility or when board space permits the larger package form factor. This part is obsolete and subject to availability limitations.

OPA363AIDBVT (SOT-23-6 Package): Use for new designs or PCB redesigns requiring compact form factor. This part maintains active product status with Texas Instruments, ensuring long-term availability and supply chain continuity. The SOT-23-6 package occupies less board area than 8-SOIC while delivering identical electrical performance.

Both parts comply with ROHS3 and maintain equivalent moisture sensitivity specifications. Selection should prioritize OPA363AIDBVT for new applications due to active product status and superior availability.

Frequently Asked Questions (FAQ)

Q: Can OPA363AIDBVT replace OPA363AIDRG4 in existing designs?

A: Electrical substitution is direct and complete. However, PCB layout modification is required due to package differences. OPA363AIDRG4 uses 8-SOIC packaging while OPA363AIDBVT uses SOT-23-6 packaging. Pin configurations differ between packages, requiring footprint redesign and potential trace routing adjustments.

Q: What are the key differences between 8-SOIC and SOT-23-6 packages?

A: 8-SOIC (Small Outline Integrated Circuit) is a larger package measuring 0.154" (3.90mm) in width with 8 pins. SOT-23-6 is a smaller package with 6 pins. Both are surface mount technologies. The SOT-23-6 package provides space savings but requires PCB redesign for implementation.

Q: Are there any electrical performance differences between these parts?

A: No. Both OPA363AIDRG4 and OPA363AIDBVT deliver identical electrical specifications across all measured parameters including slew rate, bandwidth, bias current, offset voltage, supply current, output current, and operating temperature range.

Q: Why is OPA363AIDRG4 classified as obsolete?

A: Product status reflects Texas Instruments' manufacturing and support decisions. Obsolete classification indicates the part is no longer in active production. OPA363AIDBVT maintains active status, providing continued availability and technical support.

Q: What compliance certifications apply to both parts?

A: Both OPA363AIDRG4 and OPA363AIDBVT are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is 2 (1 Year) for both parts. ECCN classification is EAR99 for both parts.

Q: Can I use OPA363AIDBVT in a design originally specified for OPA363AIDRG4?

A: Electrical substitution is valid. PCB layout must be modified to accommodate SOT-23-6 footprint. Verify that the smaller package dimensions and pin configuration are compatible with your circuit board design and application requirements.