AD7820KN
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Analog Devices Inc. AD7820KN

Manufacturer No:
AD7820KN
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC ADC 8BIT FLASH 20DIP
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The AD7820KN is a high-speed, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LC2MOS family and is designed to be compatible with microprocessors. It features a track/hold function, making it suitable for a variety of high-speed data acquisition applications. Although the AD7820KN is currently listed as obsolete and no longer manufactured, it remains an important component in legacy systems and for educational purposes.

Key Specifications

Parameter Value
Manufacturer Analog Devices Inc.
Part Number AD7820KN
Package 20-DIP (0.300, 7.62mm)
Number of Pins 20
Number of Bits 8
Sampling Rate 400 ksps
Polarity Unipolar
Minimum Supply Voltage 4.75 V
Supply Voltage 5 V
Maximum Supply Voltage 5.25 V
Minimum Analog Input Voltage -0.3 V
Height 3.3 mm
Length 26.16 mm
Width 6.35 mm

Key Features

The AD7820KN features several key attributes that make it a robust choice for high-speed data acquisition:

  • High-Speed Conversion: The ADC operates at a sampling rate of 400 ksps, making it suitable for applications requiring rapid data conversion.
  • Microprocessor Compatibility: Designed to be compatible with microprocessors, it simplifies integration into various digital systems.
  • Track/Hold Function: This feature allows for accurate sampling of the analog input signal, ensuring reliable data acquisition.
  • Unipolar Operation: The ADC operates in unipolar mode, which is beneficial for applications where only positive voltage inputs are expected.
  • Compact Packaging: The 20-DIP package is compact and easy to integrate into various board designs.

Applications

The AD7820KN is suitable for a variety of applications, including:

  • Data Acquisition Systems: Its high-speed conversion and track/hold function make it ideal for data acquisition systems that require rapid and accurate sampling.
  • Industrial Control Systems: It can be used in industrial control systems where precise and fast analog-to-digital conversion is necessary.
  • Medical Devices: The ADC can be integrated into medical devices that require high-speed data conversion, such as patient monitoring systems.
  • Aerospace and Defense: Although obsolete, it may still be found in legacy systems within these sectors due to its reliability and performance.

Q & A

  1. What is the AD7820KN?

    The AD7820KN is an 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc.

  2. What is the sampling rate of the AD7820KN?

    The AD7820KN has a sampling rate of 400 ksps.

  3. What is the supply voltage range for the AD7820KN?

    The supply voltage range is from 4.75 V to 5.25 V, with a nominal voltage of 5 V.

  4. Is the AD7820KN still in production?

    No, the AD7820KN is listed as obsolete and is no longer manufactured.

  5. What package type does the AD7820KN come in?

    The AD7820KN comes in a 20-DIP (0.300, 7.62mm) package.

  6. What is the minimum analog input voltage for the AD7820KN?

    The minimum analog input voltage is -0.3 V.

  7. Is the AD7820KN compatible with microprocessors?

    Yes, the AD7820KN is designed to be compatible with microprocessors.

  8. What is the track/hold function in the AD7820KN?

    The track/hold function allows for accurate sampling of the analog input signal.

  9. What are some common applications of the AD7820KN?

    Common applications include data acquisition systems, industrial control systems, medical devices, and aerospace and defense systems.

  10. Where can I find detailed specifications for the AD7820KN?

    Detailed specifications can be found in the datasheet available on the Analog Devices website or through distributors like Mouser and Digi-Key.

Product Attributes

Number of Bits:8
Sampling Rate (Per Second):- 
Number of Inputs:1
Input Type:Single Ended
Data Interface:Parallel
Configuration:S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:1
Architecture:Flash
Reference Type:External
Voltage - Supply, Analog:5V
Voltage - Supply, Digital:5V
Features:- 
Operating Temperature:-40°C ~ 85°C
Package / Case:20-DIP (0.300", 7.62mm)
Supplier Device Package:20-PDIP
Mounting Type:Through Hole
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Similar Products

Part Number AD7820KN AD7820KNZ AD7824KN AD7821KN AD7820KP AD7820KR AD7820LN AD7828KN
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.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Number of Bits 8 8 8 8 8 8 8 8
Sampling Rate (Per Second) - - 50k 1M - - - 50k
Number of Inputs 1 1 4 1 1 1 1 -
Input Type Single Ended Single Ended Single Ended Single Ended Single Ended Single Ended Single Ended -
Data Interface Parallel Parallel Parallel Parallel Parallel Parallel Parallel Parallel
Configuration S/H-ADC S/H-ADC MUX-S/H-ADC S/H-ADC S/H-ADC S/H-ADC S/H-ADC -
Ratio - S/H:ADC 1:1 1:1 1:1 1:1 1:1 1:1 1:1 -
Number of A/D Converters 1 1 1 1 1 1 1 3
Architecture Flash Flash Flash Pipelined Flash Flash Flash -
Reference Type External External External External External External External -
Voltage - Supply, Analog 5V 5V 5V 5V 5V 5V 5V -
Voltage - Supply, Digital 5V 5V 5V 5V 5V 5V 5V -
Features - - - - - - - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C 0°C ~ 70°C
Package / Case 20-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm) 24-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm) 20-LCC (J-Lead) 20-SOIC (0.295", 7.50mm Width) 20-DIP (0.300", 7.62mm) 28-DIP (0.600", 15.24mm)
Supplier Device Package 20-PDIP 20-PDIP 24-PDIP 20-PDIP 20-PLCC (9x9) 20-SOIC 20-PDIP 28-PDIP
Mounting Type Through Hole Through Hole Through Hole Through Hole Surface Mount Surface Mount Through Hole Through Hole

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