AD5327ARU Equivalent & Substitute Parts

Part Overview

The AD5327ARU is a 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc., featuring 4 independent D/A converters in a 16-TSSOP surface mount package. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement continuity. The AD5327ARU provides voltage-buffered output with SPI and DSP data interfaces, suitable for applications requiring multi-channel analog signal generation with external reference configuration.

Substiute Parts

AD5327ARU

Analog Devices Inc.In Stock: 1058AD5327ARU Datasheet

Current PartRFQ

AD5327ARUZ

Analog Devices Inc.In Stock: 2357AD5327ARUZ Datasheet

DirectRFQ

AD5684RBRUZ

Analog Devices Inc.In Stock: 2172AD5684RBRUZ Datasheet

SimilarRFQ

AD5327BRUZ

Analog Devices Inc.In Stock: 1345AD5327BRUZ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AD5327ARU are classified based on electrical parameter compatibility and packaging equivalence. The primary substitution criteria are:

Critical Parameters for Substitution:

• 12-bit resolution with 4 D/A converters
• Voltage-buffered output configuration
• SPI and DSP data interface support
• 16-TSSOP surface mount package
• External reference capability
• Operating temperature range -40°C ~ 105°C
• Supply voltage ranges: Analog 2.5V ~ 5.5V, Digital 2.5V ~ 5.5V

Direct Manufacturer Equivalent (AD5327ARUZ): Identical electrical specifications and packaging. Differs only in packaging format (Tube vs. unspecified for main part) and product status (Active vs. Obsolete).

Parametric Equivalent (AD5327BRUZ): Matches all critical electrical parameters and package specifications. Product status is Active, providing long-term availability.

Similar Manufacturer Part (AD5684RBRUZ): Shares 12-bit resolution, 4 D/A converters, voltage-buffered output, SPI/DSP interface, and 16-TSSOP package. Offers enhanced performance with faster settling time (7µs vs. 10µs) and improved INL/DNL specifications. Supports both external and internal reference types. Digital supply voltage range extends to 1.8V minimum.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: AD5327ARUZ is the primary choice when exact electrical parameter matching is required. This part maintains identical specifications to the AD5327ARU while offering Active product status and ROHS3 compliance, ensuring long-term supply chain stability and regulatory alignment.

For Active Product Continuity: AD5327BRUZ provides parametric equivalence with identical electrical performance and Active product status. This part is suitable for new designs or redesigns where obsolescence avoidance is a priority. ROHS3 compliance and REACH unaffected status support modern manufacturing and environmental requirements.

For Enhanced Performance: AD5684RBRUZ offers superior performance characteristics within the same package footprint. The faster settling time (7µs vs. 10µs) and improved INL/DNL specifications (±0.12, ±1 Max vs. ±2, ±0.2) make this part suitable for applications requiring higher precision or faster response times. The extended digital supply voltage range (1.8V minimum) provides additional design flexibility. This part is classified as nanoDAC+® series and maintains full Active status with ROHS3 compliance.

All substitute parts maintain identical 16-TSSOP packaging, surface mount configuration, and operating temperature range, ensuring mechanical and thermal compatibility with existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can AD5327ARUZ be used as a direct replacement for AD5327ARU?

A: Yes. AD5327ARUZ provides identical electrical specifications, including 12-bit resolution, 4 D/A converters, 10µs settling time, voltage-buffered output, SPI/DSP interface, and external reference configuration. Both parts use the 16-TSSOP package. The primary difference is product status: AD5327ARUZ is Active, whereas AD5327ARU is Obsolete.

Q: What are the key differences between AD5327BRUZ and AD5327ARUZ?

A: AD5327BRUZ and AD5327ARUZ are parametric equivalents with identical electrical specifications and package configuration. Both are Active products with ROHS3 compliance. The designation difference (A vs. B) reflects manufacturing or qualification variations but does not affect functional performance or compatibility.

Q: When should AD5684RBRUZ be selected over AD5327ARUZ?

A: AD5684RBRUZ is selected when improved performance is beneficial. This part offers faster settling time (7µs vs. 10µs), superior INL/DNL accuracy (±0.12, ±1 Max vs. ±2, ±0.2), and support for both internal and external reference types. The extended digital supply voltage range (1.8V minimum) enables operation in lower-voltage systems. All parts maintain 16-TSSOP packaging and identical interface protocols.

Q: Are all substitute parts compatible with existing PCB layouts designed for AD5327ARU?

A: Yes. All substitute parts use identical 16-TSSOP surface mount packaging with matching pinout and thermal characteristics. PCB layouts, footprints, and assembly processes require no modification. Electrical interface compatibility is maintained across all substitutes.

Q: What compliance certifications apply to the substitute parts?

A: AD5327ARUZ, AD5327BRUZ, and AD5684RBRUZ are all ROHS3 compliant and REACH unaffected. These certifications support compliance with modern environmental and regulatory requirements for electronics manufacturing and distribution.

Q: Can AD5684RBRUZ be used in applications originally designed for AD5327ARU?

A: Yes. AD5684RBRUZ maintains all critical functional parameters: 12-bit resolution, 4 D/A converters, voltage-buffered output, SPI/DSP interface, and 16-TSSOP package. The improved settling time and INL/DNL specifications provide equal or superior performance. The extended digital supply voltage range (1.8V minimum) is backward compatible with designs using 2.5V ~ 5.5V supplies.

Q: What is the difference between external and internal reference types?

A: External reference requires an external voltage source to set the DAC output range, as used in AD5327ARU, AD5327ARUZ, and AD5327BRUZ. Internal reference, supported by AD5684RBRUZ, provides an on-chip reference voltage, reducing external component count and simplifying circuit design. AD5684RBRUZ supports both modes, offering design flexibility.