AD7863ARS-2REEL
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Analog Devices Inc. AD7863ARS-2REEL

Manufacturer No:
AD7863ARS-2REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC ADC 14BIT SAR 28SSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7863ARS-2REEL, produced by Analog Devices Inc., is a simultaneous sampling dual 14-bit analog-to-digital converter (ADC). This component is designed to handle two complete ADC functions, allowing for the simultaneous sampling and conversion of two channels. Each ADC features a two-channel input multiplexer, enabling the conversion result for both channels to be available just 5.2 μs after initiating the conversion process.

The AD7863 operates from a single 5 V supply and consumes a typical power of 70 mW. It includes an automatic power-down mode, making it suitable for battery-powered or portable applications. The device is fabricated using Analog Devices' linear compatible CMOS (LC2MOS) process, combining precision bipolar circuits with low power CMOS logic.

Key Specifications

Specification Value
Resolution 14 bits
Sampling Rate 175 kSPS
Analog Input Ranges ±10 V (AD7863-10), ±2.5 V (AD7863-3), 0 V to 2.5 V (AD7863-2)
Overvoltage Protection ±17 V (AD7863-10), ±7 V (AD7863-3), +7 V (AD7863-2)
Supply Voltage 5 V
Power Consumption 70 mW typical
Operating Temperature –40°C to +85°C
Package Type 28-Lead SSOP, 28-Lead SOIC_W

Key Features

  • Simultaneous sampling and conversion of two channels, preserving relative phase information.
  • Automatic power-down mode for reduced power consumption in battery-powered or portable applications.
  • High speed parallel interface for easy connection to microprocessors, microcontrollers, and digital signal processors.
  • Tight aperture delay matching between the two input sample and hold amplifiers.
  • Internal clock oscillator circuit for generating the conversion clock.
  • Overvoltage protection on analog inputs to prevent damage.

Applications

The AD7863 is suitable for a variety of applications, including:

  • Battery-powered and portable devices due to its low power consumption and automatic power-down mode.
  • Signal processing systems where simultaneous sampling of multiple channels is required.
  • Industrial and medical devices that need high precision and reliability.
  • Data acquisition systems where high-speed conversion and accurate phase information are crucial.

Q & A

  1. What is the resolution of the AD7863 ADC?

    The AD7863 has a resolution of 14 bits.

  2. What are the available analog input ranges for the AD7863?

    The AD7863 offers three analog input ranges: ±10 V (AD7863-10), ±2.5 V (AD7863-3), and 0 V to 2.5 V (AD7863-2).

  3. How does the AD7863 manage power consumption?

    The AD7863 features an automatic power-down mode where the part goes into sleep after the end of conversion, reducing power consumption.

  4. What is the sampling rate of the AD7863?

    The AD7863 has a sampling rate of 175 kSPS.

  5. What type of interface does the AD7863 provide for connection to other devices?

    The AD7863 offers a high speed parallel interface for easy connection to microprocessors, microcontrollers, and digital signal processors.

  6. What is the operating temperature range of the AD7863?

    The AD7863 operates within a temperature range of –40°C to +85°C.

  7. What kind of overvoltage protection does the AD7863 offer?

    The AD7863 provides overvoltage protection on the analog inputs, allowing the input voltage to go to ±17 V (AD7863-10), ±7 V (AD7863-3), or +7 V (AD7863-2) without causing damage.

  8. What is the typical power consumption of the AD7863?

    The AD7863 consumes a typical power of 70 mW.

  9. In what package types is the AD7863 available?

    The AD7863 is available in 28-Lead SSOP and 28-Lead SOIC_W packages.

  10. How is the conversion clock generated in the AD7863?

    The conversion clock for the AD7863 is generated internally using a laser-trimmed clock oscillator circuit.

Product Attributes

Number of Bits:14
Sampling Rate (Per Second):175k
Number of Inputs:4
Input Type:Single Ended
Data Interface:Parallel
Configuration:MUX-S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:2
Architecture:SAR
Reference Type:External, Internal
Voltage - Supply, Analog:5V
Voltage - Supply, Digital:5V
Features:Simultaneous Sampling
Operating Temperature:-40°C ~ 85°C
Package / Case:28-SSOP (0.209", 5.30mm Width)
Supplier Device Package:28-SSOP
Mounting Type:Surface Mount
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Similar Products

Part Number AD7863ARS-2REEL AD7863ARSZ-2REEL AD7863ARS-3REEL AD7863ARZ-2REEL AD7863ARS-2REEL7 AD7862ARS-2REEL AD7863AR-2REEL
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 Obsolete
Number of Bits 14 14 14 14 14 12 14
Sampling Rate (Per Second) 175k 175k 175k 175k 175k 250k 175k
Number of Inputs 4 4 4 4 4 4 -
Input Type Single Ended Single Ended Single Ended Single Ended Single Ended Single Ended -
Data Interface Parallel Parallel Parallel Parallel Parallel Parallel Parallel
Configuration MUX-S/H-ADC MUX-S/H-ADC 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 1:1 1:1 -
Number of A/D Converters 2 2 2 2 2 2 2
Architecture SAR SAR SAR SAR SAR SAR -
Reference Type External, Internal External, Internal External, Internal External, Internal External, Internal External, Internal -
Voltage - Supply, Analog 5V 5V 5V 5V 5V 5V -
Voltage - Supply, Digital 5V 5V 5V 5V 5V 5V -
Features Simultaneous Sampling Simultaneous Sampling Simultaneous Sampling Simultaneous Sampling Simultaneous Sampling Simultaneous Sampling -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 28-SSOP (0.209", 5.30mm Width) 28-SSOP (0.209", 5.30mm Width) 28-SSOP (0.209", 5.30mm Width) 28-SOIC (0.295", 7.50mm Width) 28-SSOP (0.209", 5.30mm Width) 28-SSOP (0.209", 5.30mm Width) 28-SOIC (0.295", 7.50mm Width)
Supplier Device Package 28-SSOP 28-SSOP 28-SSOP 28-SOIC 28-SSOP 28-SSOP 28-SOIC
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount

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