AD7247AAR
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Analog Devices Inc. AD7247AAR

Manufacturer No:
AD7247AAR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC DAC 12BIT V-OUT 24SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7247AAR, produced by Analog Devices Inc., is a dual 12-bit digital-to-analog converter (DAC) that integrates output amplifiers and a Zener voltage reference on a single monolithic CMOS chip. This device is part of the DACPORT® series, known for its compact design and enhanced reliability compared to multichip solutions. The AD7247AAR is designed to operate over a wide power supply range, from 12 V to 15 V, and features faster interface times, making it compatible with most modern microprocessors. It is particularly useful in applications requiring precise and reliable analog output generation.

Key Specifications

Specification Value
Number of Bits 12
Number of D/A Converters 2
Settling Time 8 µs
Output Type Voltage - Buffered
Differential Output No
Data Interface Parallel
Reference Type External, Internal
Voltage - Supply, Analog ±10.8 V ~ 16.5 V
Voltage - Supply, Digital 10.8 V ~ 16.5 V
INL/DNL (LSB) ±1 (Max), ±0.9 (Max)
Architecture R-2R
Operating Temperature –40°C ~ 85°C
Package / Case 24-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount

Key Features

  • Dual 12-bit DACs: The AD7247AAR features two independent 12-bit digital-to-analog converters, allowing for precise analog output generation.
  • Integrated Output Amplifiers and Reference: The device includes on-chip output amplifiers and a Zener voltage reference, eliminating the need for external components.
  • Wide Power Supply Range: Operates from 12 V to 15 V supplies, making it versatile for various applications.
  • Fast Interface Times: Compatible with most modern microprocessors, whether they have 8-bit or 16-bit data bus structures.
  • Microprocessor Compatibility: High-speed data latches and interface logic ensure easy integration with microprocessors.
  • Flexible Output Ranges: Supports output ranges of 0 V to +5 V, 0 V to +10 V, and ±5 V with dual supplies.
  • ESD Protection: Features proprietary ESD protection circuitry to prevent damage from electrostatic discharges.

Applications

The AD7247AAR is suitable for a variety of applications requiring precise and reliable analog output generation. These include:

  • Industrial Control Systems: For controlling analog devices in industrial environments.
  • Medical Equipment: In medical devices that require accurate analog outputs.
  • Aerospace and Defense: For applications needing high reliability and precision.
  • Automotive Systems: For controlling various analog parameters in automotive electronics.
  • Test and Measurement Equipment: For generating precise analog signals in test and measurement applications.

Q & A

  1. What is the resolution of the AD7247AAR?

    The AD7247AAR has a resolution of 12 bits.

  2. How many D/A converters does the AD7247AAR have?

    The AD7247AAR features two independent D/A converters.

  3. What is the settling time of the AD7247AAR?

    The settling time of the AD7247AAR is 8 µs.

  4. What type of data interface does the AD7247AAR use?

    The AD7247AAR uses a parallel data interface.

  5. What are the available output ranges for the AD7247AAR?

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

  6. Does the AD7247AAR have built-in ESD protection?

    Yes, the AD7247AAR features proprietary ESD protection circuitry.

  7. What is the operating temperature range of the AD7247AAR?

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

  8. What type of package does the AD7247AAR come in?

    The AD7247AAR comes in a 24-SOIC package.

  9. Is the AD7247AAR compatible with microprocessors?

    Yes, it is compatible with most modern microprocessors, whether they have 8-bit or 16-bit data bus structures.

  10. Can the AD7247AAR use an external reference voltage?

    Yes, the AD7247AAR allows the use of either the on-chip 5 V reference or an external reference voltage.

Product Attributes

Number of Bits:12
Number of D/A Converters:2
Settling Time:8µs
Output Type:Voltage - Buffered
Differential Output:No
Data Interface:Parallel
Reference Type:External, Internal
Voltage - Supply, Analog:±10.8V ~ 16.5V
Voltage - Supply, Digital:10.8V ~ 16.5V
INL/DNL (LSB):±1 (Max), ±0.9 (Max)
Architecture:R-2R
Operating Temperature:-40°C ~ 85°C
Package / Case:24-SOIC (0.295", 7.50mm Width)
Supplier Device Package:24-SOIC
Mounting Type:Surface Mount
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Similar Products

Part Number AD7247AAR AD7247AARZ AD7247ABR AD7248AAR AD7237AAR AD7245AAR AD7247AAN
Manufacturer 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 Obsolete Obsolete Obsolete Obsolete Obsolete
Number of Bits 12 12 12 12 12 12 12
Number of D/A Converters 2 2 2 1 2 1 2
Settling Time 8µs 8µs 8µs 7µs 8µs 7µs 8µs
Output Type Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output No No No No No No No
Data Interface Parallel Parallel Parallel Parallel Parallel Parallel Parallel
Reference Type External, Internal External, Internal External, Internal Internal External, Internal Internal External, Internal
Voltage - Supply, Analog ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±10.8V ~ 16.5V
Voltage - Supply, Digital 10.8V ~ 16.5V 10.8V ~ 16.5V 10.8V ~ 16.5V 10.8V ~ 16.5V - 10.8V ~ 16.5V 10.8V ~ 16.5V
INL/DNL (LSB) ±1 (Max), ±0.9 (Max) ±1 (Max), ±0.9 (Max) ±0.5 (Max), ±0.9 (Max) ±1 (Max), ±1 (Max) ±1 (Max), ±0.9 (Max) ±1 (Max), ±1 (Max) ±1 (Max), ±0.9 (Max)
Architecture R-2R R-2R R-2R 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 -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 24-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 24-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) 24-DIP (0.300", 7.62mm)
Supplier Device Package 24-SOIC 24-SOIC 24-SOIC 20-SOIC 24-SOIC 24-SOIC 24-PDIP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole

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