AD7874SE
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Analog Devices Inc. AD7874SE

Manufacturer No:
AD7874SE
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC DAS 12BIT 116K 28LCC
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The AD7874SE, produced by Analog Devices Inc., is a four-channel simultaneous sampling, 12-bit data acquisition system. This component integrates a high-speed 12-bit Analog-to-Digital Converter (ADC), an on-chip reference, an on-chip clock, and four track/hold amplifiers. The simultaneous sampling capability of the four input channels, each with its own track/hold amplifier, preserves the relative phase information between the channels, making it ideal for applications where phase accuracy is crucial.

Key Specifications

ParameterSpecification
Number of Channels4
Resolution12-bit
Conversion Time per Channel8 μs
Sample Rate for All Four Channels29 kHz
Input Range±10 V
Supply Voltage±5 V
Package Types28-pin PDIP, 28-pin SOIC (Wide), 28-terminal LCCC
Process TechnologyAnalog Devices' Linear Compatible CMOS (LC2MOS)

Key Features

  • Simultaneous sampling of four input channels, each with its own track/hold amplifier.
  • Fast 12-bit ADC with 8 μs conversion time per channel.
  • On-chip reference and on-chip clock.
  • Small aperture delay and well-matched track/hold amplifiers to preserve relative phase information.
  • Support for multiple AD7874s to sample more than four channels simultaneously.
  • Automatic addressing of the four on-chip data registers.

Applications

  • Phased-array sonar systems.
  • AC motor controllers.
  • Adaptive filters.
  • Digital signal processing.

Q & A

  1. What is the resolution of the AD7874SE?
    The AD7874SE has a 12-bit resolution.
  2. How many channels does the AD7874SE support?
    The AD7874SE supports four simultaneous sampling channels.
  3. What is the conversion time per channel for the AD7874SE?
    The conversion time per channel is 8 μs.
  4. What is the sample rate for all four channels of the AD7874SE?
    The sample rate for all four channels is 29 kHz.
  5. What are the typical package types for the AD7874SE?
    The AD7874SE is available in 28-pin PDIP, 28-pin SOIC (Wide), and 28-terminal LCCC packages.
  6. What process technology is used to fabricate the AD7874SE?
    The AD7874SE is fabricated using Analog Devices' Linear Compatible CMOS (LC2MOS) process.
  7. What are some key applications of the AD7874SE?
    The AD7874SE is ideal for phased-array sonar systems, AC motor controllers, adaptive filters, and digital signal processing.
  8. How does the AD7874SE preserve relative phase information between channels?
    The AD7874SE preserves relative phase information through its four track/hold amplifiers, each sampling its respective input channel simultaneously with small and well-matched aperture delays.
  9. Can multiple AD7874SE devices be used to sample more than four channels simultaneously?
    Yes, multiple AD7874SE devices can be used to sample more than four channels simultaneously without incurring phase errors.
  10. What is the input voltage range for the AD7874SE?
    The input voltage range for the AD7874SE is ±10 V.

Product Attributes

Type:Data Acquisition System (DAS)
Number of Channels:4
Resolution (Bits):12 b
Sampling Rate (Per Second):116k
Data Interface:Parallel
Voltage Supply Source:Dual ±
Voltage - Supply:±5V
Operating Temperature:-55°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:28-LCC
Supplier Device Package:28-LCC (11.43x11.43)
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Similar Products

Part Number AD7874SE AD7874SQ
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Active Active
Type Data Acquisition System (DAS) Data Acquisition System (DAS)
Number of Channels 4 4
Resolution (Bits) 12 b 12 b
Sampling Rate (Per Second) 116k 116k
Data Interface Parallel Parallel
Voltage Supply Source Dual ± Dual ±
Voltage - Supply ±5V ±5V
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Mounting Type Surface Mount Through Hole
Package / Case 28-LCC 28-CDIP (0.600", 15.24mm)
Supplier Device Package 28-LCC (11.43x11.43) 28-CDIP

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