AD7249BRZ-REEL
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Analog Devices Inc. AD7249BRZ-REEL

Manufacturer No:
AD7249BRZ-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC DAC 12BIT V-OUT 16SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7249BRZ-REEL, manufactured by Analog Devices Inc., is a dual 12-bit, voltage-output, digital-to-analog converter (DAC) integrated circuit. This component is part of the DACPORT series and features output amplifiers and a Zener voltage reference on a monolithic CMOS chip. The AD7249 is designed for high precision and reliability, making it suitable for various applications requiring accurate analog output from digital signals.

Key Specifications

Specification Value
Manufacturer Analog Devices Inc.
Description IC DAC 12BIT V-OUT 16SOIC
Number of Bits 12
Number of D/A Converters 2
Settling Time 10µs
Output Type Voltage - Buffered
Differential Output No
Data Interface SPI
Reference Type External, Internal
Voltage - Supply, Analog ±11.4V ~ 15.75V
INL/DNL (LSB) ±0.5 (Max), ±0.9 (Max)
Architecture R-2R
Operating Temperature -40°C ~ 85°C
Package / Case 16-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount

Key Features

  • Dual 12-Bit DACs: The AD7249 features two 12-bit digital-to-analog converters, providing high resolution and precision.
  • Output Amplifiers: Integrated output amplifiers capable of developing +10 V across a 2 kΩ load.
  • Zener Voltage Reference: Includes a Zener voltage reference for stable and accurate output.
  • Serial Interface: SPI interface for easy connection to microcomputers and digital signal processors, with data rates up to 2 MHz.
  • Multiple Output Ranges: Supports output voltage ranges of 0 V to +5 V, 0 V to +10 V, and ±5 V with dual supplies.
  • CLR Function: A clear function sets the output to a known voltage level, useful for power-on reset.
  • High Accuracy: No external trims required to achieve full specified performance, with INL/DNL of ±0.5 (Max) and ±0.9 (Max) LSB.

Applications

  • Industrial Control Systems: Suitable for applications requiring precise analog output in industrial control environments.
  • Medical Devices: Used in medical equipment where high accuracy and reliability are crucial.
  • Aerospace and Defense: Applicable in aerospace and defense systems due to its robust specifications and reliability.
  • Automotive Systems: Can be used in automotive systems for various control and monitoring functions.
  • Test and Measurement Equipment: Ideal for test and measurement instruments that require accurate analog outputs.

Q & A

  1. What is the AD7249BRZ-REEL used for?

    The AD7249BRZ-REEL is a dual 12-bit digital-to-analog converter used to convert digital signals into precise analog outputs.

  2. What is the settling time of the AD7249BRZ-REEL?

    The settling time of the AD7249BRZ-REEL is 10µs.

  3. What type of data interface does the AD7249BRZ-REEL use?

    The AD7249BRZ-REEL uses a Serial Peripheral Interface (SPI).

  4. What are the supported output voltage ranges for the AD7249BRZ-REEL?

    The supported output voltage ranges are 0 V to +5 V, 0 V to +10 V, and ±5 V with dual supplies.

  5. What is the operating temperature range of the AD7249BRZ-REEL?

    The operating temperature range is -40°C to 85°C.

  6. What type of package does the AD7249BRZ-REEL come in?

    The AD7249BRZ-REEL comes in a 16-SOIC (0.295", 7.50mm Width) package.

  7. Is the AD7249BRZ-REEL RoHS compliant?

    Yes, the AD7249BRZ-REEL is RoHS compliant.

  8. What is the architecture of the DACs in the AD7249BRZ-REEL?

    The DACs use an R-2R architecture.

  9. Can the AD7249BRZ-REEL be used with both unipolar and bipolar output ranges?

    Yes, it supports both unipolar and bipolar output ranges.

  10. What is the purpose of the CLR function in the AD7249BRZ-REEL?

    The CLR function sets the output to a known voltage level, useful for power-on reset.

Product Attributes

Number of Bits:12
Number of D/A Converters:2
Settling Time:10µs
Output Type:Voltage - Buffered
Differential Output:No
Data Interface:SPI
Reference Type:External, Internal
Voltage - Supply, Analog:±11.4V ~ 15.75V
Voltage - Supply, Digital:- 
INL/DNL (LSB):±0.5 (Max), ±0.9 (Max)
Architecture:R-2R
Operating Temperature:-40°C ~ 85°C
Package / Case:16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:16-SOIC
Mounting Type:Surface Mount
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Similar Products

Part Number AD7249BRZ-REEL AD7243BRZ-REEL AD7249ARZ-REEL AD7249BR-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Obsolete Active Obsolete
Number of Bits 12 12 12 12
Number of D/A Converters 2 1 2 2
Settling Time 10µs 10µs 10µs 10µs
Output Type Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output No No No No
Data Interface SPI SPI SPI SPI
Reference Type External, Internal External, Internal External, Internal External, Internal
Voltage - Supply, Analog ±11.4V ~ 15.75V ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±11.4V ~ 15.75V
Voltage - Supply, Digital - - - -
INL/DNL (LSB) ±0.5 (Max), ±0.9 (Max) ±0.5 (Max), ±0.9 (Max) ±1 (Max), ±0.9 (Max) ±0.5 (Max), ±0.9 (Max)
Architecture R-2R R-2R R-2R R-2R
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC 16-SOIC 16-SOIC 16-SOIC
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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