AD5765BSUZ Equivalent & Substitute Parts

Part Overview

The AD5765BSUZ is a 16-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc., designed for data acquisition applications. This device integrates four independent D/A converters in a 32-TQFP surface mount package with buffered voltage output and external reference capability. The AD5765BSUZ is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

AD5765BSUZ
Analog Devices Inc.In Stock: 1521AD5765BSUZ Datasheet
AD5765BSUZ
Current Part
AD5765CSUZ
Analog Devices Inc.In Stock: 1380AD5765CSUZ Datasheet
AD5765CSUZ
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Key Parameters

Parameter Value
Manufacturer Part Number AD5765BSUZ
Manufacturer Analog Devices Inc.
Number of Bits 16
Number of D/A Converters 4
Output Type Voltage - Buffered
Settling Time 10µs
Data Interface SPI, DSP
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 2.7V ~ 5.25V
INL/DNL (LSB) ±2 (Max), ±1 (Max)
Architecture R-2R
Operating Temperature -40°C ~ 105°C
Package / Case 32-TQFP (7x7)
Mounting Type Surface Mount
Product Status Obsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the AD5765BSUZ is determined by strict equivalence across the following critical parameters:

  • Resolution: 16-bit digital input
  • Converter Count: 4 independent D/A converters
  • Output Configuration: Voltage output with buffering
  • Interface Protocol: SPI and DSP compatibility
  • Reference Input: External reference requirement
  • Supply Voltages: Analog 5V and digital 2.7V ~ 5.25V
  • Settling Time: 10µs maximum
  • Package Form Factor: 32-TQFP (7x7) surface mount
  • Temperature Range: -40°C ~ 105°C operation

The AD5765CSUZ qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility across all parameters listed above.

Parameter Comparison

Parameter AD5765BSUZ (Main) AD5765CSUZ (Substitute)
Manufacturer Analog Devices Inc. Analog Devices Inc.
Number of Bits 16 16
Number of D/A Converters 4 4
Output Type Voltage - Buffered Voltage - Buffered
Settling Time 10µs 10µs
Data Interface SPI, DSP SPI, DSP
Reference Type External External
Voltage - Supply, Analog 5V 5V
Voltage - Supply, Digital 2.7V ~ 5.25V 2.7V ~ 5.25V
INL/DNL (LSB) ±2 (Max), ±1 (Max) ±1 (Max), ±1 (Max)
Architecture R-2R R-2R
Operating Temperature -40°C ~ 105°C -40°C ~ 105°C
Package / Case 32-TQFP (7x7) 32-TQFP (7x7)
Mounting Type Surface Mount Surface Mount
Product Status Obsolete Active
Moisture Sensitivity Level (MSL) 3 (168 Hours) 3 (168 Hours)

Engineering Selection Recommendations

The AD5765CSUZ is the appropriate substitute for the obsolete AD5765BSUZ. Both devices share identical electrical and mechanical specifications, ensuring direct functional compatibility in existing circuit designs. The AD5765CSUZ maintains active product status with Analog Devices Inc., providing ongoing availability and supply chain reliability. The substitute part demonstrates improved INL specification (±1 LSB maximum versus ±2 LSB maximum on the main part), representing enhanced linearity performance. The AD5765CSUZ carries RoHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements for new applications and system updates.

Frequently Asked Questions (FAQ)

Q: Can the AD5765CSUZ directly replace the AD5765BSUZ in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all functional parameters, including resolution, converter count, output type, interface protocols, supply voltages, settling time, and package form factor. No circuit modifications are required.

Q: What is the primary advantage of selecting the AD5765CSUZ over the AD5765BSUZ?

A: The AD5765CSUZ maintains active product status, ensuring continued availability and supply chain support. The substitute also provides improved INL specification at ±1 LSB maximum compared to ±2 LSB maximum on the main part.

Q: Are there any compliance differences between these parts?

A: The AD5765CSUZ carries RoHS3 compliance and REACH unaffected status. The AD5765BSUZ, being obsolete, does not list current compliance certifications. For new designs and systems requiring environmental compliance documentation, the AD5765CSUZ is the appropriate selection.

Q: Do both parts use the same package and mounting method?

A: Yes. Both the AD5765BSUZ and AD5765CSUZ use the 32-TQFP (7x7) surface mount package with identical pin configuration and mechanical dimensions.

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

A: Both parts carry MSL 3 rating with a 168-hour floor life, requiring standard moisture control handling procedures during storage and assembly.

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