OPA373AIDRG4 Equivalent & Substitute Parts

Part Overview

The OPA373AIDRG4 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 designed for applications requiring low-power, single-circuit amplification with specified gain-bandwidth and slew rate characteristics.

The OPA373AIDRG4 is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures design continuity and maintains access to functionally compatible components for new production runs, repairs, and design revisions.

Substiute Parts

OPA373AIDRG4

Texas InstrumentsIn Stock: 728OPA373AIDRG4 Datasheet

Current PartRFQ

OPA373AIDR

Texas InstrumentsIn Stock: 2011OPA373AIDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OPA373AIDRG4 is determined by electrical and mechanical parameter equivalence. The following criteria establish substitution validity:

Electrical Parameters (Must Match):

• Amplifier Type: General Purpose
• Number of Circuits: 1
• Output Type: Rail-to-Rail
• Slew Rate: 5 V/µs
• Gain Bandwidth Product: 6.5 MHz
• Current - Input Bias: 0.5 pA
• Voltage - Input Offset: 1 mV
• Current - Supply: 585 µA
• Voltage - Supply Span (Min): 2.3 V
• Voltage - Supply Span (Max): 5.5 V
• Operating Temperature Range: -40°C to 125°C

Mechanical Parameters (Must Match):

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 2 (1 Year)

Substitute parts must satisfy all electrical, mechanical, and compliance requirements to ensure direct functional and physical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The OPA373AIDR is a direct electrical and mechanical equivalent to the OPA373AIDRG4. All specified electrical parameters, operating conditions, and compliance certifications are identical. Both devices are manufactured by Texas Instruments and share the same base product number (OPA373).

The primary distinction between these parts is product status and packaging format. The OPA373AIDRG4 is discontinued at DiGi Electronics, whereas the OPA373AIDR maintains active product status with higher inventory availability (1988 pieces in stock versus 692 pieces for the main part). The OPA373AIDR is supplied in Tape & Reel (TR) packaging, whereas the OPA373AIDRG4 is supplied in tube packaging.

For new designs, production runs, and component replenishment, the OPA373AIDR is the appropriate selection. Both parts satisfy ROHS3 compliance and REACH requirements, ensuring regulatory compatibility across applications.

Frequently Asked Questions (FAQ)

Q: Can the OPA373AIDR be used as a direct replacement for the OPA373AIDRG4?

A: Yes. The OPA373AIDR is electrically and mechanically equivalent to the OPA373AIDRG4. All electrical parameters, operating temperature range, supply voltage specifications, and package dimensions are identical. Both devices are manufactured by Texas Instruments and share the same base product number.

Q: What is the difference between the OPA373AIDRG4 and OPA373AIDR?

A: The primary differences are product status and packaging format. The OPA373AIDRG4 is discontinued at DiGi Electronics and supplied in tube packaging. The OPA373AIDR is an active product supplied in Tape & Reel (TR) packaging with higher inventory availability.

Q: Are there any PCB layout or footprint considerations when substituting the OPA373AIDR for the OPA373AIDRG4?

A: No. Both parts use the identical 8-SOIC package with 0.154" (3.90mm) width. PCB footprints, land patterns, and layout requirements are identical.

Q: Do both parts meet the same compliance and regulatory standards?

A: Yes. Both the OPA373AIDRG4 and OPA373AIDR are ROHS3 compliant, REACH unaffected, and carry identical Moisture Sensitivity Level (MSL) ratings of 2 (1 Year).

Q: What is the operating temperature range for both devices?

A: Both devices operate across the temperature range of -40°C to 125°C, supporting industrial and extended commercial applications.

Q: Are the supply voltage requirements identical?

A: Yes. Both devices operate with a supply voltage span of 2.3 V (minimum) to 5.5 V (maximum), enabling use in single-supply and dual-supply configurations.

Q: What packaging options are available for the OPA373 series?

A: The OPA373AIDRG4 is supplied in tube packaging. The OPA373AIDR is supplied in Tape & Reel (TR) packaging for automated assembly processes.