AD7828BR
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Analog Devices Inc. AD7828BR

Manufacturer No:
AD7828BR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC ADC 8BIT FLASH 28SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7828BR is a high-speed, 8-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the AD7824/AD7828 series, which offers a choice of four or eight multiplexed analog input channels. The AD7828BR specifically features eight analog input channels, making it a cost-effective and space-saving solution for multichannel ADC systems. It operates from a single 5 V supply and includes a built-in track-and-hold function, enabling the digitization of full-scale signals up to 10 kHz on all channels.

Key Specifications

Parameter Value
Manufacturer Analog Devices Inc.
Category Integrated Circuits (ICs) - Data Acquisition - Analog to Digital Converters (ADC)
Package 28-SOIC (0.295", 7.50mm Width)
Number of Bits 8
Sampling Rate (Per Second) 50k
Number of Inputs 8
Input Type Single Ended
Data Interface Parallel
Configuration MUX-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
Operating Temperature -40°C ~ 85°C

Key Features

  • High-speed conversion rate of 2.5 µs per channel using a half-flash conversion technique.
  • Built-in track-and-hold function capable of digitizing full-scale signals of 10 kHz.
  • Eight multiplexed analog input channels, providing a cost-effective and space-saving solution.
  • Single 5 V supply with low power dissipation of 40 mW (typical).
  • Easy microprocessor interfacing using standard Chip Select (CS) and Read (RD) signals.
  • No need to generate a clock signal for the ADC due to the half-flash conversion technique.
  • Fully differential reference inputs defining the zero to full-scale input range of the ADC.
  • Tight error specification: 1/2 LSB.

Applications

  • Multichannel data acquisition systems.
  • Industrial control and automation.
  • Medical devices requiring multiple analog input channels.
  • Aerospace and defense applications where high-speed and low power consumption are critical.
  • Automotive systems needing robust and reliable ADCs.

Q & A

  1. What is the conversion rate of the AD7828BR?

    The AD7828BR has a conversion rate of 2.5 µs per channel.

  2. How many analog input channels does the AD7828BR have?

    The AD7828BR features eight multiplexed analog input channels.

  3. What is the operating voltage of the AD7828BR?

    The AD7828BR operates from a single 5 V supply for both analog and digital sections.

  4. What is the operating temperature range of the AD7828BR?

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

  5. Does the AD7828BR require an external clock signal?

    No, the AD7828BR does not require an external clock signal due to its half-flash conversion technique.

  6. How does the AD7828BR interface with microprocessors?

    The AD7828BR interfaces easily with microprocessors using standard Chip Select (CS) and Read (RD) signals.

  7. What is the power dissipation of the AD7828BR?

    The typical power dissipation is 40 mW.

  8. What type of reference inputs does the AD7828BR have?

    The AD7828BR has fully differential reference inputs.

  9. What is the error specification of the AD7828BR?

    The error specification is 1/2 LSB.

  10. In what package is the AD7828BR available?

    The AD7828BR is available in a 28-SOIC package.

Product Attributes

Number of Bits:8
Sampling Rate (Per Second):50k
Number of Inputs:8
Input Type:Single Ended
Data Interface:Parallel
Configuration:MUX-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:28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:28-SOIC
Mounting Type:Surface Mount
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Similar Products

Part Number AD7828BR AD7828BRZ AD7829BR AD7822BR AD7825BR AD7827BR 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 Obsolete Obsolete Obsolete Obsolete Active
Number of Bits 8 8 8 8 8 8 8
Sampling Rate (Per Second) 50k 50k 2M 2M 2M 1M 50k
Number of Inputs 8 8 - 1 - - 8
Input Type Single Ended Single Ended - Single Ended - - Single Ended
Data Interface Parallel Parallel Parallel Parallel Parallel SPI, DSP Parallel
Configuration MUX-S/H-ADC MUX-S/H-ADC - MUX-S/H-ADC - - MUX-S/H-ADC
Ratio - S/H:ADC 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
Reference Type External External - External, Internal - - External
Voltage - Supply, Analog 5V 5V - 2.7V ~ 3.3V, 5V - - 5V
Voltage - Supply, Digital 5V 5V - 2.7V ~ 3.3V, 5V - - 5V
Features - - - - - - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 105°C -40°C ~ 85°C
Package / Case 28-SOIC (0.295", 7.50mm Width) 28-SOIC (0.295", 7.50mm Width) 28-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 8-SOIC (0.154", 3.90mm Width) 28-CDIP (0.600", 15.24mm)
Supplier Device Package 28-SOIC 28-SOIC 28-SOIC 20-SOIC 24-SOIC 8-SOIC 28-CDIP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole

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