AD7391AR
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Analog Devices Inc. AD7391AR

Manufacturer No:
AD7391AR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC DAC 10BIT V-OUT 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7391AR is a 10-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. This device is designed for single-supply operation and is ideal for applications requiring low power consumption and high precision. The AD7391AR operates from a supply voltage range of 2.7V to 5.5V, making it suitable for battery-operated devices and other low-power systems. It features a serial interface compatible with SPI and QSPI, and its rail-to-rail output allows for a full-scale voltage set equal to the positive supply voltage or any value in between.

Key Specifications

ParameterValue
Number of Bits10
Number of D/A Converters1
Output TypeVoltage - Buffered
Differential OutputNo
Data InterfaceSPI, QSPI
Reference TypeExternal
Voltage - Supply, Analog2.7V ~ 5.5V
Voltage - Supply, Digital2.7V ~ 5.5V
Settling Time70μs (Typ)
Integral Nonlinearity (INL)±2 LSB (Max)
Differential Nonlinearity (DNL)±0.9 LSB (Max)
ArchitectureR-2R
Operating Temperature-40°C ~ 125°C
Package / Case8-SOIC (0.154, 3.90mm Width)
Number of Pins8
Max Supply Voltage5.5V
Min Supply Voltage2.7V
Nominal Supply Current55μA
Power Dissipation500μW

Key Features

  • Low power consumption: Less than 100μA of current.
  • Single-supply operation: Compatible with supply voltages from 2.7V to 5.5V.
  • High precision: 10-bit resolution with ±2 LSB INL and ±0.9 LSB DNL.
  • Rail-to-rail output: Full-scale voltage output can be set equal to the positive supply voltage or any value in between.
  • SPI and QSPI compatible serial interface.
  • External reference input with constant input resistance.
  • Low dropout voltage regulators and proper decoupling capacitors recommended for stable power supply.
  • Thermal management and output filtering options for enhanced performance.

Applications

The AD7391AR is suitable for a variety of applications, including:

  • Precision instrumentation: For generating accurate analog voltage outputs in tasks such as sensor signal conditioning.
  • Industrial control systems: For motor control and other industrial automation tasks.
  • Automotive systems: Due to its wide operating temperature range and low power consumption.
  • Portable communications: Ideal for battery-operated devices requiring low power and high precision.
  • Digitally controlled calibration: For applications requiring precise analog output adjustments.

Q & A

  1. What is the resolution of the AD7391AR DAC?
    The AD7391AR has a 10-bit resolution.
  2. What is the operating supply voltage range of the AD7391AR?
    The AD7391AR operates from a supply voltage range of 2.7V to 5.5V.
  3. What type of interface does the AD7391AR use?
    The AD7391AR uses an SPI and QSPI compatible serial interface.
  4. What is the settling time of the AD7391AR?
    The settling time of the AD7391AR is typically 70μs.
  5. Is the AD7391AR suitable for battery-operated devices?
    Yes, the AD7391AR is suitable for battery-operated devices due to its low power consumption of less than 100μA.
  6. What is the maximum output voltage of the AD7391AR?
    The maximum output voltage of the AD7391AR is 5.5V.
  7. Does the AD7391AR have differential output?
    No, the AD7391AR does not have differential output.
  8. What is the reference type of the AD7391AR?
    The AD7391AR has an external reference type.
  9. How many D/A converters does the AD7391AR have?
    The AD7391AR has one D/A converter.
  10. What is the package type of the AD7391AR?
    The AD7391AR comes in an 8-SOIC package.

Product Attributes

Number of Bits:10
Number of D/A Converters:1
Settling Time:70µs (Typ)
Output Type:Voltage - Buffered
Differential Output:No
Data Interface:SPI
Reference Type:External
Voltage - Supply, Analog:2.7V ~ 5.5V
Voltage - Supply, Digital:2.7V ~ 5.5V
INL/DNL (LSB):±2 (Max), ±0.9 (Max)
Architecture:R-2R
Operating Temperature:-40°C ~ 125°C
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
Mounting Type:Surface Mount
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Similar Products

Part Number AD7391AR AD7395AR AD7391ARZ AD7391ARU AD7391SR AD7392AR AD7393AR AD7396AR AD7397AR AD7390AR AD7391AN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Active Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Number of Bits 10 10 10 10 10 12 - 12 - 12 10
Number of D/A Converters 1 2 1 1 1 1 - 2 - 1 1
Settling Time 70µs (Typ) 70µs 70µs (Typ) 70µs (Typ) 100µs (Typ) 70µs (Typ) - 70µs (Typ) - 70µs (Typ) 70µs (Typ)
Output Type Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered - Voltage - Buffered - Voltage - Buffered Voltage - Buffered
Differential Output No No No No No No - No - No No
Data Interface SPI Serial SPI SPI SPI Parallel - Parallel - SPI SPI
Reference Type External External, Internal External External External External - External - External External
Voltage - Supply, Analog 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V - 2.7V ~ 5.5V - 2.7V ~ 5.5V 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V - 2.7V ~ 5.5V - 2.7V ~ 5.5V 2.7V ~ 5.5V
INL/DNL (LSB) ±2 (Max), ±0.9 (Max) ±1.5 (Max), ±1 (Max) ±2 (Max), ±0.9 (Max) ±2 (Max), ±0.9 (Max) ±2 (Max), ±0.9 (Max) ±3 (Max), ±1 (Max) - ±2 (Max), ±1 (Max) - ±2 (Max), ±1 (Max) ±2 (Max), ±0.9 (Max)
Architecture R-2R R-2R R-2R R-2R R-2R R-2R - R-2R - R-2R R-2R
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -55°C ~ 125°C -40°C ~ 85°C - -40°C ~ 85°C - -40°C ~ 85°C -40°C ~ 85°C
Package / Case 8-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP (0.173", 4.40mm Width) 8-SOIC (0.154", 3.90mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-SOIC 14-SOIC 8-SOIC 8-TSSOP 8-SOIC 20-SOIC 20-SOIC 24-SOIC 24-SOIC 8-SOIC 8-PDIP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole

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