AD625BD Equivalent & Substitute Parts

Part Overview

The AD625BD is an instrumentation amplifier manufactured by Analog Devices Inc., designed for precision signal conditioning applications. This integrated circuit contains one amplification circuit in a 16-pin ceramic dual inline package (16-CDIP) and operates across a wide supply voltage range of 12V to 36V. The AD625BD is classified as an obsolete product, necessitating identification of equivalent substitute components for ongoing design support and procurement requirements.

Substiute Parts

AD625BD

Analog Devices Inc.In Stock: 1253AD625BD Datasheet

Current PartRFQ

AD625BDZ

Analog Devices Inc.In Stock: 1202AD625BDZ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD625BD is determined by electrical and mechanical parameter equivalence. The primary substitute, AD625BDZ, maintains identical electrical specifications across all critical performance metrics: slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and operating temperature range. Both components utilize the same 16-CDIP package configuration with identical pin assignments and mechanical dimensions, enabling direct board-level replacement without circuit redesign.

The substitution logic is based on the following key parameters:

• Amplifier Type: Instrumentation (identical classification)
• Number of Circuits: 1 (identical circuit count)
• Package / Case: 16-CDIP (0.300", 7.62mm) (identical physical form factor)
• Electrical Performance Specifications: All parameters match exactly
• Operating Temperature Range: -40°C to 85°C (identical range)
• Supply Voltage Requirements: 12V to 36V (identical range)

Parameter Comparison

Engineering Selection Recommendations

The AD625BDZ is the direct equivalent substitute for the AD625BD. Both components are manufactured by Analog Devices Inc. and share identical electrical and mechanical specifications. The primary distinction is product status: the AD625BD is classified as obsolete, while the AD625BDZ maintains active production status.

The AD625BDZ provides additional compliance advantages. It carries ROHS3 compliance certification and REACH unaffected status, meeting current environmental and regulatory requirements for electronic component procurement. These certifications are relevant for applications subject to European Union directives and similar regulatory frameworks.

From an engineering perspective, the AD625BDZ is the appropriate selection for new designs and ongoing production requirements. For legacy systems currently utilizing the AD625BD, the AD625BDZ provides a direct replacement without requiring circuit modifications, PCB redesign, or firmware updates.

Frequently Asked Questions (FAQ)

Q: Can the AD625BDZ directly replace the AD625BD without circuit modifications?

A: Yes. The AD625BDZ is electrically and mechanically equivalent to the AD625BD. All electrical parameters, pin assignments, and package dimensions are identical. Direct substitution on existing printed circuit boards is supported without design changes.

Q: What is the primary reason for substituting the AD625BD?

A: The AD625BD is classified as an obsolete product. The AD625BDZ is the active equivalent from Analog Devices Inc., ensuring continued availability and supply chain reliability for new procurement and production requirements.

Q: Are there differences in packaging between these components?

A: Both components use the 16-CDIP (0.300", 7.62mm) package with identical through-hole mounting. The primary packaging difference is the supplier device package designation: AD625BD uses standard packaging, while AD625BDZ is supplied in tube packaging. This distinction does not affect electrical performance or board-level compatibility.

Q: Does the AD625BDZ meet current environmental compliance standards?

A: Yes. The AD625BDZ is ROHS3 compliant and REACH unaffected, meeting current European Union environmental and chemical safety requirements. The AD625BD compliance status for these standards is not specified.

Q: Are the electrical performance specifications identical between AD625BD and AD625BDZ?

A: Yes. Both components share identical specifications for slew rate (5 V/µs), gain bandwidth product (25 MHz), -3dB bandwidth (650 kHz), input bias current (20 nA), input offset voltage (25 µV), supply current (3.5 mA), supply voltage range (12V to 36V), and operating temperature range (-40°C to 85°C).

Q: What is the moisture sensitivity level for these components?

A: Both the AD625BD and AD625BDZ have a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life without moisture control requirements.