AD7820BQ
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Analog Devices Inc. AD7820BQ

Manufacturer No:
AD7820BQ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC ADC 8BIT FLASH 20CDFP
Delivery:
Payment:
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Product Introduction

Overview

The AD7820BQ is a high-speed, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for applications requiring fast conversion times and high accuracy. The AD7820BQ is part of the AD7820 series, which is known for its low power consumption and compact packaging, making it suitable for a variety of electronic systems.

Key Specifications

ParameterValue
Resolution8 bits
Conversion Time2 μs
Supply Voltage4.5 V to 5.5 V
Power Consumption
Package Type20-lead Cerdip (DIP) or 20-lead CQFP (Ceramic Quad Flat Pack)
Operating Temperature Range-40°C to +85°C

Key Features

  • High-speed conversion: 2 μs conversion time
  • Low power consumption: Typically 15 mW at 5 V
  • Compact packaging: Available in 20-lead Cerdip (DIP) and 20-lead CQFP
  • High accuracy: ±0.5 LSB typical linearity error
  • Wide operating temperature range: -40°C to +85°C

Applications

The AD7820BQ is suitable for various high-speed data acquisition applications, including:

  • Medical devices
  • Aerospace and defense systems
  • Industrial control systems
  • Automotive systems
  • High-speed data logging equipment

Q & A

  1. What is the resolution of the AD7820BQ? The AD7820BQ has an 8-bit resolution.
  2. How long does the AD7820BQ take to convert an analog signal to digital? The AD7820BQ has a conversion time of 2 μs.
  3. What are the typical supply voltage and power consumption of the AD7820BQ? The typical supply voltage is 4.5 V to 5.5 V, and the power consumption is typically 15 mW at 5 V.
  4. In what packages is the AD7820BQ available? The AD7820BQ is available in 20-lead Cerdip (DIP) and 20-lead CQFP (Ceramic Quad Flat Pack).
  5. What is the operating temperature range of the AD7820BQ? The operating temperature range is -40°C to +85°C.
  6. What are some common applications of the AD7820BQ? Common applications include medical devices, aerospace and defense systems, industrial control systems, automotive systems, and high-speed data logging equipment.
  7. How accurate is the AD7820BQ in terms of linearity error? The AD7820BQ has a typical linearity error of ±0.5 LSB.
  8. Is the AD7820BQ suitable for high-speed data acquisition? Yes, the AD7820BQ is designed for high-speed data acquisition applications.
  9. Where can I find detailed specifications and datasheets for the AD7820BQ? Detailed specifications and datasheets can be found on the Analog Devices Inc. website or through distributors like Digi-Key Electronics.
  10. What is the significance of the 'BQ' suffix in the AD7820BQ model? The 'BQ' suffix indicates the specific package type and grade of the component.

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-CDIP (0.300", 7.62mm)
Supplier Device Package:20-CERDIP
Mounting Type:Through Hole
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Similar Products

Part Number AD7820BQ AD7820UQ AD7821BQ AD7820TQ AD7824BQ AD7820CQ AD7828BQ
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 Active Active Active Active Active
Number of Bits 8 8 8 8 8 8 8
Sampling Rate (Per Second) - - 1M - 50k - 50k
Number of Inputs 1 8 1 1 4 1 8
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
Configuration S/H-ADC S/H-ADC S/H-ADC S/H-ADC MUX-S/H-ADC S/H-ADC MUX-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
Architecture Flash Flash Pipelined Flash Flash Flash Flash
Reference Type External External External External External External External
Voltage - Supply, Analog 5V 4.75V ~ 5.25V 5V 5V 5V 5V 5V
Voltage - Supply, Digital 5V 4.75V ~ 5.25V 5V 5V 5V 5V 5V
Features - - - - - - -
Operating Temperature -40°C ~ 85°C -55°C ~ 125°C -40°C ~ 85°C -55°C ~ 125°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 20-CDIP (0.300", 7.62mm) 20-CDIP (0.300", 7.62mm) 20-CDIP (0.300", 7.62mm) 20-CDIP (0.300", 7.62mm) 24-CDIP (0.300", 7.62mm) 20-CDIP (0.300", 7.62mm) 28-CDIP (0.600", 15.24mm)
Supplier Device Package 20-CERDIP 20-CERDIP 20-CERDIP 20-CERDIP 24-CDIP 20-CERDIP 28-CDIP
Mounting Type Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole

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