AD5065ARUZ Equivalent & Substitute Parts

Part Overview

The AD5065ARUZ is a 16-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc., designed for data acquisition applications requiring dual-channel voltage output conversion. This nanoDAC® series component operates with 5V analog and digital supply voltages and features SPI/DSP interface compatibility. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters of this product category.

Key Parameters

Parameter	Value
Manufacturer Part Number	AD5065ARUZ
Manufacturer	Analog Devices Inc.
Category	Data Acquisition
Number of Bits	16
Number of D/A Converters	2
Output Type	Voltage - Buffered
Data Interface	SPI, DSP
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C ~ 125°C
Product Status	Active
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the AD5065ARUZ are identified based on the following critical parameters that determine functional equivalence:

Resolution: 16-bit conversion capability
Channel Count: Dual D/A converters (2 channels)
Output Configuration: Voltage output with buffering
Interface Protocol: SPI and DSP compatibility
Package Form Factor: Surface mount TSSOP package with 4.40mm width
Supply Voltage Compatibility: Operation within specified voltage ranges
Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The AD5689BRUZ and AD5689RBRUZ are qualified substitutes based on matching resolution, channel count, output type, interface protocols, and package dimensions. Both substitute parts maintain the same 4.40mm TSSOP width and surface mount configuration. Differences in package pin count (16-TSSOP vs. 14-TSSOP), settling time, and supply voltage ranges are documented in the parameter comparison table below.

Parameter Comparison

Parameter	AD5065ARUZ	AD5689BRUZ	AD5689RBRUZ
Manufacturer Part Number	AD5065ARUZ	AD5689BRUZ	AD5689RBRUZ
Series	nanoDAC®	nanoDAC+®	nanoDAC+®
Number of Bits	16	16	16
Number of D/A Converters	2	2	2
Settling Time	13µs	8µs	8µs
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Data Interface	SPI, DSP	SPI, DSP	SPI, DSP
Reference Type	External	External	External, Internal
Voltage - Supply, Analog	5V	2.7V ~ 5.5V	2.7V ~ 5.5V
Voltage - Supply, Digital	5V	1.8V ~ 5.5V	1.8V ~ 5.5V
INL/DNL (LSB)	±0.5, ±0.2	±1, ±1 (Max)	±1, ±1 (Max)
Architecture	R-2R	String DAC	String DAC
Operating Temperature Range	-40°C ~ 125°C	-40°C ~ 105°C	-40°C ~ 105°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)	16-TSSOP (0.173", 4.40mm Width)	16-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Selection between the AD5065ARUZ and its substitutes is determined by application-specific requirements and system constraints:

The AD5065ARUZ operates exclusively at 5V supply voltage with R-2R architecture, delivering superior linearity performance (INL/DNL: ±0.5, ±0.2 LSB) and extended temperature range (-40°C to 125°C). This configuration is appropriate for fixed 5V systems requiring maximum precision.

The AD5689BRUZ and AD5689RBRUZ provide flexible supply voltage operation (2.7V to 5.5V analog, 1.8V to 5.5V digital) with faster settling time (8µs vs. 13µs). Both parts use String DAC architecture with reduced linearity specification (±1, ±1 LSB max) and operate within -40°C to 105°C temperature range. The AD5689RBRUZ additionally supports internal reference configuration alongside external reference capability.

All three parts maintain ROHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity rating. Package pin count differs (14-TSSOP vs. 16-TSSOP), requiring PCB layout verification during substitution.

Frequently Asked Questions (FAQ)

Q: Can AD5689BRUZ or AD5689RBRUZ directly replace AD5065ARUZ in existing designs?

A: Direct replacement requires verification of three factors: (1) PCB layout accommodation of 16-pin vs. 14-pin TSSOP package, (2) system supply voltage compatibility with the 2.7V to 5.5V range, and (3) application tolerance of reduced linearity specification (±1 LSB vs. ±0.5 LSB) and lower maximum operating temperature (105°C vs. 125°C).

Q: What is the primary difference between AD5689BRUZ and AD5689RBRUZ?

A: The AD5689RBRUZ includes internal reference capability in addition to external reference support, while AD5689BRUZ supports external reference only. Both parts are otherwise electrically identical.

Q: Are all three parts compatible with SPI and DSP interfaces?

A: Yes. The AD5065ARUZ, AD5689BRUZ, and AD5689RBRUZ all support SPI and DSP data interface protocols.

Q: What are the package dimension implications for substitution?

A: The AD5065ARUZ uses 14-TSSOP packaging while both AD5689 variants use 16-TSSOP packaging. Both maintain the same 4.40mm width. PCB footprint and pin assignment must be verified before substitution.

Q: Do all parts meet the same regulatory compliance standards?

A: Yes. All three parts are ROHS3 compliant, REACH unaffected, and carry unlimited moisture sensitivity rating (MSL 1).

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