AD7391ARU-REEL
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Analog Devices Inc. AD7391ARU-REEL

Manufacturer No:
AD7391ARU-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC DAC 10BIT V-OUT 8TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The AD7391ARU-REEL, produced by Analog Devices Inc., is a 10-bit digital-to-analog converter (DAC) designed for single-supply operation. This device is part of the AD7390/AD7391 family, which offers low power consumption and ease of use in 3 V systems. Built using a CBCMOS process, the AD7391 is ideal for battery-operated applications due to its low current consumption of less than 100 µA over a supply voltage range of 2.7 V to 5.5 V. The device features a rail-to-rail output and an external reference input, allowing for a full-scale voltage output that can be set equal to the positive supply voltage or any value in between.

Key Specifications

Specification Value
Resolution 10 bits
Supply Voltage Range 2.7 V to 5.5 V
Current Consumption < 100 µA
Settling Time 70 µs (typ)
Digital Interface Serial (3-Wire, SPI, QSPI)
Output Type Voltage - Buffered
Voltage Reference External
Package 8-SOIC, TSSOP-8
Operating Temperature Range -40°C to +125°C
Integral Nonlinearity Error ±2 LSB (max)

Key Features

  • Low power consumption: Less than 100 µA current consumption.
  • Single-supply operation: Compatible with supply voltages from 2.7 V to 5.5 V.
  • Rail-to-rail output: Full-scale voltage output can be set equal to the positive supply voltage or any value in between.
  • High-speed serial interface: SPI and QSPI compatible with Schmitt trigger inputs.
  • External reference input: Allows for flexible voltage output settings.
  • CLR pin for reset: Resets the DAC register to zero-scale for power-on reset or system failure recovery.
  • Compact packaging: Available in 8-SOIC and TSSOP-8 packages for space-constrained designs.

Applications

  • Automotive systems: Suitable for the extended industrial and automotive temperature ranges.
  • Portable communications: Ideal for battery-operated devices due to low power consumption.
  • Digitally controlled calibration: Useful in applications requiring precise analog output control.
  • Battery-operated devices: Low current consumption makes it suitable for devices powered by batteries.

Q & A

  1. What is the resolution of the AD7391ARU-REEL?

    The AD7391ARU-REEL has a 10-bit resolution.

  2. What is the supply voltage range for the AD7391ARU-REEL?

    The device operates over a supply voltage range of 2.7 V to 5.5 V.

  3. How much current does the AD7391ARU-REEL consume?

    The device consumes less than 100 µA of current.

  4. What is the settling time of the AD7391ARU-REEL?

    The settling time is typically 70 µs.

  5. What type of digital interface does the AD7391ARU-REEL use?

    The device uses a serial (3-Wire, SPI, QSPI) digital interface.

  6. Can the AD7391ARU-REEL be used in automotive applications?
  7. What is the operating temperature range of the AD7391ARU-REEL?

    The operating temperature range is -40°C to +125°C.

  8. What type of packaging is available for the AD7391ARU-REEL?

    The device is available in 8-SOIC and TSSOP-8 packages.

  9. Does the AD7391ARU-REEL have a reset feature?
  10. Is the AD7391ARU-REEL RoHS compliant?

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 ~ 85°C
Package / Case:8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:8-TSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number AD7391ARU-REEL AD7393ARU-REEL AD7391ARZ-REEL AD7391ARUZ-REEL AD7391AR-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Active Obsolete Obsolete
Number of Bits 10 12 10 10 10
Number of D/A Converters 1 1 1 1 1
Settling Time 70µs (Typ) 70µs (Typ) 70µs (Typ) 70µs (Typ) 70µs (Typ)
Output Type Voltage - Buffered Voltage - Unbuffered Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output No No No No No
Data Interface SPI Parallel SPI SPI SPI
Reference Type 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
Voltage - Supply, Digital 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) ±3, ±0.9 ±2 (Max), ±0.9 (Max) ±2 (Max), ±0.9 (Max) ±2 (Max), ±0.9 (Max)
Architecture R-2R R-2R R-2R R-2R R-2R
Operating Temperature -40°C ~ 85°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Package / Case 8-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP (0.173", 4.40mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-TSSOP 20-TSSOP 8-SOIC 8-TSSOP 8-SOIC
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount

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