AD7828LN
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Analog Devices Inc. AD7828LN

Manufacturer No:
AD7828LN
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC ADC 8BIT FLASH 28DIP
Delivery:
Payment:
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Product Introduction

Overview

The AD7828LN, produced by Analog Devices Inc., is a high-speed, 8-channel, 8-bit analog-to-digital converter (ADC). This device is part of the AD7828 series, which offers a cost-effective and space-saving solution for multichannel ADC systems. The AD7828LN operates on a single 5 V supply and features a built-in track-and-hold function, allowing it to handle signals up to 10 kHz bandwidth with a slew rate of 157 mV/µs. The converter uses a half-flash conversion technique, which eliminates the need for an external clock signal, making it easy to interface with most popular microprocessors.

Key Specifications

Parameter Value
Number of Channels 8
Resolution 8-bit
Conversion Rate 2.5 µs/channel
Sampling Frequency 50 kHz
Analog Input Range 0 V to 5 V
Supply Voltage 5 V
Power Dissipation 40 mW (typ)
Operating Temperature Range 0°C to +70°C
Package Type 28-lead PDIP, 28-terminal surface mount

Key Features

  • 4 or 8 analog input channels (AD7828 has 8 channels)
  • Built-in track-and-hold function capable of handling signals up to 10 kHz bandwidth
  • Fast conversion rate of 2.5 µs per channel
  • Single 5 V supply simplifies system power requirements
  • Low power dissipation of 40 mW (typ)
  • Tight total unadjusted error specification and channel-to-channel matching
  • Easy-to-use digital interface with standard Chip Select (CS) and Read (RD) signals
  • No external clock signal required for the ADC
  • Fabricated in advanced, all ion-implanted, linear compatible CMOS process (LC2MOS)

Applications

  • Industrial control systems
  • Medical devices requiring multiple analog inputs
  • Aerospace and defense systems
  • Automotive systems needing high-speed ADCs
  • Data acquisition systems
  • Embedded systems requiring efficient and accurate analog-to-digital conversion

Q & A

  1. What is the resolution of the AD7828LN ADC?

    The AD7828LN has an 8-bit resolution.

  2. How many analog input channels does the AD7828LN have?

    The AD7828LN has 8 analog input channels.

  3. What is the conversion rate of the AD7828LN?

    The conversion rate is 2.5 µs per channel.

  4. What is the operating supply voltage for the AD7828LN?

    The operating supply voltage is 5 V.

  5. Does the AD7828LN require an external clock signal?

    No, the AD7828LN does not require an external clock signal due to its half-flash conversion technique.

  6. What is the typical power dissipation of the AD7828LN?

    The typical power dissipation is 40 mW.

  7. What is the temperature range for the AD7828LN?

    The operating temperature range is 0°C to +70°C.

  8. What types of packages are available for the AD7828LN?

    The AD7828LN is available in 28-lead PDIP and 28-terminal surface mount packages.

  9. How does the AD7828LN handle high-frequency signals?

    The AD7828LN has a built-in track-and-hold function capable of handling signals up to 10 kHz bandwidth with a slew rate of 157 mV/µs.

  10. Is the AD7828LN easy to interface with microprocessors?

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:0°C ~ 70°C
Package / Case:28-DIP (0.600", 15.24mm)
Supplier Device Package:28-PDIP
Mounting Type:Through Hole
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Similar Products

Part Number AD7828LN AD7828LP AD7828LNZ AD7820LN AD7824LN AD7828KN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Number of Bits 8 8 8 8 8 8
Sampling Rate (Per Second) 50k 50k 50k - 100k 50k
Number of Inputs 8 8 8 1 - -
Input Type Single Ended Single Ended Single Ended Single Ended - -
Data Interface Parallel Parallel Parallel Parallel Parallel Parallel
Configuration MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC S/H-ADC - -
Ratio - S/H:ADC 1:1 1:1 1:1 1:1 - -
Number of A/D Converters 1 1 1 1 3 3
Architecture Flash Flash Flash Flash - -
Reference Type External External External External - -
Voltage - Supply, Analog 5V 5V 5V 5V - -
Voltage - Supply, Digital 5V 5V 5V 5V - -
Features - - - - - -
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C -40°C ~ 85°C 0°C ~ 70°C 0°C ~ 70°C
Package / Case 28-DIP (0.600", 15.24mm) 28-LCC (J-Lead) 28-DIP (0.600", 15.24mm) 20-DIP (0.300", 7.62mm) 24-DIP (0.300", 7.62mm) 28-DIP (0.600", 15.24mm)
Supplier Device Package 28-PDIP 28-PLCC (11.51x11.51) 28-PDIP 20-PDIP 24-PDIP 28-PDIP
Mounting Type Through Hole Surface Mount Through Hole Through Hole Through Hole Through Hole

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