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DAC 1-CH R-2R 10-bit 8-Pin SOIC N Tube


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Overview of AD7391ARZ

The AD7391ARZ is a voltage output, 12-bit digital-to-analog converter (DAC) that provides high-precision analog output for various applications. It features a resolution of 12 bits, ensuring accurate voltage conversion from digital input.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VOUT: Analog Voltage Output
  • VREF: Reference Voltage Input
  • GND: Ground
  • VDD: Positive Power Supply
  • CS: Chip Select Input
  • SDIN: Serial Data Input
  • SCLK: Serial Clock Input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AD7391ARZ DAC for a visual representation.

Key Features

  • 12-Bit Resolution: Provides high precision with 12-bit resolution for accurate analog output.
  • Voltage Output: Generates analog voltage output based on the digital input code.
  • Low Power Consumption: Operates with low power consumption, suitable for power-sensitive applications.
  • SPI-Compatible Interface: Supports SPI interface for easy integration with microcontrollers and digital systems.
  • Wide Operating Voltage Range: Compatible with a wide range of power supply voltages for flexibility in system design.

Note: For detailed technical specifications, please refer to the AD7391ARZ datasheet.


  • Signal Generation: Ideal for generating analog signals in waveform generation and signal processing applications.
  • Industrial Automation: Suitable for use in industrial automation systems requiring analog output control.
  • Data Acquisition: Used in data acquisition systems for converting digital data to analog signals.


The AD7391ARZ is a 12-bit DAC that converts digital input codes into analog voltage output with high precision and reliability. It enables accurate voltage generation for various applications.

Usage Guide

  • Power Supply: Connect VDD (Pin 4) to the positive power supply and GND (Pin 3) to ground.
  • Data Input: Provide digital input data to SDIN (Pin 6) for setting the analog output voltage.
  • Clock Input: Use SCLK (Pin 7) for clock input signal to synchronize data transfer.

Frequently Asked Questions

Q: Can the AD7391ARZ operate with a single power supply?
A: Yes, the AD7391ARZ can operate with a single positive power supply voltage.

Q: What is the maximum output voltage range of the AD7391ARZ?
A: The AD7391ARZ can provide analog output voltage within the specified range based on the digital input code.


For similar functionalities, consider these alternatives to the AD7391ARZ:

  • AD5721R: A 12-bit voltage output DAC with comparable performance characteristics and interface options.
  • AD5662: This DAC offers similar resolution and features for analog voltage output applications.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Digital to Analog Converters - DAC RoHS Details
Series AD7391 Resolution 10 bit
Sampling Rate 17 kS/s Number of Channels 1 Channel
Settling Time 60 us Output Type Voltage Buffered
Interface Type 3-Wire, QSPI, SPI Analog Supply Voltage 2.7 V to 5.5 V
Digital Supply Voltage 2.7 V to 5.5 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Mounting Style SMD/SMT
Package / Case SOIC-8 Brand Analog Devices
DNL - Differential Nonlinearity +/- 0.9 LSB INL - Integral Nonlinearity +/- 1.6 LSB
Number of Converters 1 Converter Pd - Power Dissipation 500 uW
Product Type DACs - Digital to Analog Converters Reference Type External
Factory Pack Quantity 98 Subcategory Data Converter ICs
Supply Voltage - Max 5.5 V Supply Voltage - Min 2.7 V
Unit Weight 0.019048 oz

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