OPA209AIDR Equivalent & Substitute Parts

Part Overview

The OPA209AIDR is a general-purpose operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device is classified as a rail-to-rail output amplifier suitable for applications requiring single-circuit amplification with moderate bandwidth and slew rate performance. The part maintains Active product status with 7448 units in current inventory.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter ranges while maintaining mechanical compatibility and compliance certifications. The AD627BRZ from Analog Devices Inc. is listed as a manufacturer-recommended alternative, though it operates in a different amplifier topology classification.

Substiute Parts

OPA209AIDR

Texas InstrumentsIn Stock: 7527OPA209AIDR Datasheet

Current PartRFQ

AD627BRZ

Analog Devices Inc.In Stock: 16991AD627BRZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the OPA209AIDR is determined by the following criteria:

Mechanical Compatibility: The substitute part must use the same package type (8-SOIC surface mount) with identical footprint dimensions (0.154", 3.90mm Width) to ensure direct PCB placement without redesign.

Electrical Compatibility: The substitute must support single-circuit configuration with rail-to-rail output capability. Supply voltage range must encompass or overlap the OPA209AIDR operating range (4.5V to 36V minimum). Output current capability must meet or exceed 65 mA per channel.

Compliance & Certification: Both parts must maintain ROHS3 compliance and REACH Unaffected status to satisfy regulatory requirements for equivalent component selection.

Performance Parameters: While amplifier topology may differ (general-purpose versus instrumentation), the substitute must demonstrate functional equivalence in the target application context. Input bias current, input offset voltage, and supply current are secondary selection criteria when primary mechanical and electrical requirements are satisfied.

Parameter Comparison

Engineering Selection Recommendations

OPA209AIDR Selection: Retain the OPA209AIDR when applications require the specified slew rate of 6.4 V/µs, gain bandwidth product of 18 MHz, and output current capability of 65 mA per channel. This device is appropriate for general-purpose amplification circuits operating across the full temperature range of -40°C to 125°C. The part maintains Active product status with substantial inventory availability (7448 units).

AD627BRZ Selection: The AD627BRZ is suitable as a substitute when circuit topology permits instrumentation amplifier functionality and when lower supply current consumption (0.06 mA versus 2.2 mA) is advantageous. This part operates within a reduced temperature range (-40°C to 85°C) and provides lower output current per channel (25 mA versus 65 mA). The AD627BRZ demonstrates superior moisture sensitivity rating (MSL 1 Unlimited versus MSL 2 1 Year).

Compliance Basis: Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements for equivalent component substitution. Both are classified under HTSUS code 8542.33.0001 and carry EAR99 ECCN designation.

Frequently Asked Questions (FAQ)

Q: Can the AD627BRZ directly replace the OPA209AIDR in all applications?

A: Direct replacement is limited by functional differences. The AD627BRZ is an instrumentation amplifier, while the OPA209AIDR is a general-purpose amplifier. Substitution is valid only when the circuit design accommodates instrumentation amplifier topology. Additionally, the AD627BRZ output current (25 mA) is insufficient for applications requiring the OPA209AIDR's 65 mA output capability.

Q: What are the mechanical compatibility requirements?

A: Both parts use identical 8-SOIC surface mount packaging with 0.154" (3.90mm) width. PCB footprints are mechanically compatible without layout modification. Soldering parameters and thermal management considerations remain equivalent.

Q: How do the supply voltage ranges compare?

A: The OPA209AIDR operates from 4.5V to 36V. The AD627BRZ operates from 2.2V to 36V. The AD627BRZ supports lower minimum supply voltage, but both devices function across the overlapping range of 4.5V to 36V.

Q: What is the temperature operating range difference?

A: The OPA209AIDR operates from -40°C to 125°C. The AD627BRZ operates from -40°C to 85°C. Applications requiring operation above 85°C must use the OPA209AIDR.

Q: Are there compliance differences between these parts?

A: Both parts are ROHS3 compliant and REACH Unaffected. The AD627BRZ carries a superior moisture sensitivity rating (MSL 1 Unlimited versus MSL 2 1 Year), indicating better performance in high-humidity storage and assembly environments.

Q: What is the slew rate significance in substitution?

A: The OPA209AIDR provides 6.4 V/µs slew rate compared to the AD627BRZ at 0.06 V/µs. Applications requiring fast signal transitions or high-frequency amplification must retain the OPA209AIDR. The AD627BRZ is suitable for precision measurement and low-frequency instrumentation applications.