AD7866ARU
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Analog Devices Inc. AD7866ARU

Manufacturer No:
AD7866ARU
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC ADC 12BIT SAR 20TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The AD7866ARU is a dual, simultaneous sampling, 12-bit analog-to-digital converter (ADC) produced by Analog Devices, Inc. This device operates from a single 2.7 V to 5.25 V power supply and features a high sampling rate of up to 1 MSPS. It includes a 4-channel analog input multiplexer, track-and-hold amplifiers, and two successive approximation ADCs. The AD7866 is known for its excellent DC and AC performance, with a signal-to-noise ratio (SNR) of 79 dB and a spurious-free dynamic range (SFDR) of 92 dB.

Key Specifications

Parameter Value
Manufacturer Part Number AD7866ARU
Number of Bits 12
Sampling Rate Up to 1 MSPS
Number of Analog Input Channels 4
Power Supply Range 2.7 V to 5.25 V
Operating Temperature Range -40°C to +125°C
Package Type 20-lead Thin Shrink Small Outline (TSSOP)
Signal-to-Noise Ratio (SNR) 79 dB
Spurious-Free Dynamic Range (SFDR) 92 dB
Output Format Serial, Binary or 2's Complement
Interface Compatibility SPI, QSPI, MICROWIRE, DSP compatible

Key Features

  • Dual, simultaneous sampling 12-bit ADCs
  • High sampling rate of up to 1 MSPS
  • 4-channel analog input multiplexer
  • Track-and-hold amplifiers with low noise and wide bandwidth
  • Low power consumption with flexible power/throughput rate management
  • No pipeline delays, allowing simultaneous conversion and read operations
  • On-chip 2.5 V reference, with option for external reference
  • High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSPs
  • Shutdown mode with maximum current consumption of 1 µA

Applications

  • Industrial automation and control
  • Test and measurement equipment
  • Medical instrumentation
  • Power management systems
  • Portable and battery-powered devices

Q & A

  1. What is the sampling rate of the AD7866ARU?

    The AD7866ARU has a sampling rate of up to 1 MSPS.

  2. How many analog input channels does the AD7866ARU have?

    The AD7866ARU has 4 analog input channels.

  3. What is the power supply range for the AD7866ARU?

    The AD7866ARU operates from a single 2.7 V to 5.25 V power supply.

  4. What is the operating temperature range of the AD7866ARU?

    The operating temperature range is -40°C to +125°C.

  5. What type of package does the AD7866ARU come in?

    The AD7866ARU is available in a 20-lead Thin Shrink Small Outline (TSSOP) package.

  6. What is the signal-to-noise ratio (SNR) of the AD7866ARU?

    The SNR of the AD7866ARU is 79 dB.

  7. Is the AD7866ARU still in active production?

    No, the AD7866ARU is an obsolete product and is no longer in active production. However, there are alternative models available.

  8. What interfaces is the AD7866ARU compatible with?

    The AD7866ARU is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.

  9. Does the AD7866ARU have any pipeline delays?

    No, the AD7866ARU does not have any pipeline delays, allowing for simultaneous conversion and read operations.

  10. What is the maximum current consumption in shutdown mode?

    The maximum current consumption in shutdown mode is 1 µA.

Product Attributes

Number of Bits:12
Sampling Rate (Per Second):1M
Number of Inputs:4
Input Type:Single Ended
Data Interface:SPI, DSP
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:2.7V ~ 5.25V
Voltage - Supply, Digital:2.7V ~ 5.25V
Features:Simultaneous Sampling
Operating Temperature:-40°C ~ 125°C
Package / Case:20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:20-TSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number AD7866ARU AD7866ARUZ AD7866BRU
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete
Number of Bits 12 12 12
Sampling Rate (Per Second) 1M 1M 1M
Number of Inputs 4 4 4
Input Type Single Ended Single Ended Single Ended
Data Interface SPI, DSP SPI, DSP SPI, DSP
Configuration MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC
Ratio - S/H:ADC 1:1 1:1 1:1
Number of A/D Converters 2 2 2
Architecture SAR SAR SAR
Reference Type External, Internal External, Internal External, Internal
Voltage - Supply, Analog 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 5.25V 2.7V ~ 5.25V 2.7V ~ 5.25V
Features Simultaneous Sampling Simultaneous Sampling Simultaneous Sampling
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Package / Case 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP 20-TSSOP 20-TSSOP
Mounting Type Surface Mount Surface Mount Surface Mount

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