AD526CD Equivalent & Substitute Parts

Part Overview

The AD526CD is a Programmable Gain Amplifier (PGA) integrated circuit manufactured by Analog Devices Inc., housed in a 16-pin CDIP package. This linear amplifier device features a single gain-programmable circuit with a 4 MHz bandwidth and 24 V/µs slew rate, designed for precision signal conditioning applications requiring adjustable gain control.

The AD526CD is classified as an obsolete product. Locating equivalent or substitute components is necessary for ongoing system support, design updates, and procurement continuity when original stock becomes unavailable.

Substiute Parts

AD526CD

Analog Devices Inc.In Stock: 1167AD526CD Datasheet

Current PartRFQ

AD526BDZ

Analog Devices Inc.In Stock: 1128AD526BDZ Datasheet

DirectRFQ

AD526CDZ

Analog Devices Inc.In Stock: 748AD526CDZ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD526CD is determined by strict equivalence across all electrical and mechanical parameters. The substitute parts AD526BDZ and AD526CDZ are qualified as direct equivalents based on the following criteria:

Electrical Parameter Equivalence: All substitute parts maintain identical specifications for slew rate (24 V/µs), bandwidth (4 MHz), input bias current (50 pA), input offset voltage (250 µV), supply current (10 mA), output current (10 mA), and supply voltage range (9 V to 33 V minimum and maximum).

Thermal and Mechanical Equivalence: Operating temperature range (-40°C to 85°C), package type (16-CDIP), and mounting configuration (Through Hole) are identical across all parts.

Functional Equivalence: All parts are single-circuit programmable gain amplifiers with identical circuit count and amplifier classification.

The primary differentiators among substitute parts are product status (Active versus Obsolete) and packaging format (Tube versus standard packaging).

Parameter Comparison

Engineering Selection Recommendations

AD526BDZ is suitable for applications requiring tube packaging format. This part carries Active product status, indicating ongoing manufacturer support and availability. RoHS3 compliance and REACH Unaffected status confirm environmental and regulatory alignment with current manufacturing standards.

AD526CDZ is suitable for standard packaging requirements. This part also carries Active product status with RoHS3 compliance and REACH Unaffected designation. Current inventory of 696 units is available.

Both substitute parts provide direct electrical and mechanical compatibility with the obsolete AD526CD. Selection between AD526BDZ and AD526CDZ depends on packaging format requirements and procurement specifications. Both parts satisfy identical functional and thermal requirements for programmable gain amplifier applications operating within the -40°C to 85°C temperature range and 9 V to 33 V supply voltage envelope.

Frequently Asked Questions (FAQ)

Q: Can AD526BDZ and AD526CDZ be used interchangeably with AD526CD?

A: Yes. Both substitute parts maintain identical electrical specifications, thermal ratings, and mechanical package dimensions. The 16-CDIP through-hole package, pin configuration, and functional performance are equivalent across all three part numbers.

Q: What is the primary difference between AD526BDZ and AD526CDZ?

A: The primary difference is packaging format. AD526BDZ is supplied in Tube packaging, while AD526CDZ uses standard packaging. All electrical and mechanical specifications are identical.

Q: Why is the AD526CD classified as obsolete?

A: The AD526CD has reached end-of-life status with Analog Devices Inc. The manufacturer no longer actively produces or supports this part number. Active alternatives (AD526BDZ and AD526CDZ) provide continued availability and manufacturer support.

Q: Are there compliance differences between the obsolete AD526CD and the active substitutes?

A: Yes. The active substitute parts AD526BDZ and AD526CDZ carry RoHS3 compliance and REACH Unaffected certifications. The obsolete AD526CD does not specify these compliance statuses. For applications requiring regulatory compliance documentation, the active substitutes are preferred.

Q: Will the AD526BDZ or AD526CDZ require PCB layout modifications?

A: No. Both substitute parts use the identical 16-CDIP (0.300", 7.62 mm) through-hole package. PCB footprints, pin spacing, and mounting requirements are unchanged.

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

A: All three parts (AD526CD, AD526BDZ, and AD526CDZ) carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: Can I mix AD526BDZ and AD526CDZ in the same design?

A: Yes. Both parts are electrically and mechanically equivalent. Mixing packaging formats in a single design is permissible from a functional standpoint, though procurement and inventory management practices may favor standardization on a single part number.