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AD7366:  True Bipolar Input, Dual 12-Bit, 2-Channel, Simultaneous Sampling SAR ADC

The AD7366/AD73671 are dual 12-bit/14-bit, high speed, low power, successive approximation analog-to-digital converters (ADCs) that feature throughput rates up to 1 MSPS. The device contains two ADCs, each preceded by a 2-channel multiplexer, and a low noise, wide bandwidth track-and-hold amplifier.

The AD7366/AD7367 are fabricated on the Analog Devices, Inc., industrial CMOS ...More

AD7366:  True Bipolar Input, Dual 12-Bit, 2-Channel, Simultaneous Sampling SAR ADC

Product Description

The AD7366/AD73671 are dual 12-bit/14-bit, high speed, low power, successive approximation analog-to-digital converters (ADCs) that feature throughput rates up to 1 MSPS. The device contains two ADCs, each preceded by a 2-channel multiplexer, and a low noise, wide bandwidth track-and-hold amplifier.

The AD7366/AD7367 are fabricated on the Analog Devices, Inc., industrial CMOS process (iCMOS2), which is a technology platform combining the advantages of low and high voltage CMOS. The iCMOS process allows the AD7366/AD7367 to accept high voltage bipolar signals in addition to reducing power consumption and package size. The AD7366/AD7367 can accept true bipolar analog input signals in the ±10 V range, ±5 V range, and 0 V to 10 V range.

The AD7366/AD7367 have an on-chip 2.5 V reference that can be disabled to allow the use of an external reference. If a 3 V reference is applied to the DCAPA and DCAPB pins, the AD7366/AD7367 can accept a true bipolar ±12 V analog input. Minimum ±12 V VDD and VSS supplies are required for the ±12 V input range.

Product Highlights

  1. The AD7366/AD7367 can accept true bipolar analog input signals, as well as ±10 V, ±5 V, ±12 V (with external reference), and 0 V to 10 V unipolar signals.
  2. Two complete ADC functions allow simultaneous sampling and conversion of two channels.
  3. 1 MSPS serial interface: SPI-/QSPI-/DSP-/MICROWIRE-compatible interface.

1 Protected by U.S. Patent No. 6,731,232.

2 iCMOS Process Technology. For analog systems designers within industrial/instrumentation equipment OEMs who need high performance ICs at higher voltage levels, iCMOS is a technology platform that enables the development of analog ICs capable of 30 V and operating at ±15 V supplies while allowing dramatic reductions in power consumption and package size, and increased ac and dc performance.

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EVALUATION BOARDS & DEVELOPMENT KITS

  • Dual 12-bit/14-bit, 2-channel ADC
  • True bipolar analog inputs
  • Programmable input ranges:
    ±10 V, ±5 V, 0 V to 10 V
    ±12 V with 3 V external reference
  • Throughput rate: 1 MSPS
  • Simultaneous conversion with read in less than 1 μs
  • Low current consumption:
    8.3 mA typical in normal mode
    320 nA typical in shutdown mode
  • High analog input impedance
  • AD7366
    72 dB SNR at 50 kHz input frequency
    12-bit no missing codes
  • AD7367
    76 dB SNR at 50 kHz input frequency
    14-bit no missing codes
  • Accurate on-chip reference: 2.5 V ± 0.2%
  • −40°C to +85°C operation
  • High speed serial interface Compatible with SPI®, QSPI™, MICROWIRE™, and DSP
  • Resolution (Bits): 12bit
  • T-Put Rate: 1MSPS
  • # Chan: 4
  • Supply V: Multi(±12, +5),Multi(±15, +5)
  • Pwr Diss: 88.8mW
  • Interface: Ser,SPI
  • Ain Range: Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 5.0V,Uni (Vref) x 4,Uni 10V
  • SNR (dB): 72dB
  • Pkg Type: SOP

Functional Block Diagram for AD7366

Circuits from the Lab

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Similar Products

arrow View Full Interactive Product Selection Table
Part# Bits Throughput Rate # of Inputs Operating Pwr Diss
AD7366 12 1MSPS 4 88.8mW
AD7924 12 1MSPS 4 13.5mW
AD7934 12 1.5MSPS 4 16mW
AD7866 12 1MSPS 4 24mW
AD7324 13 1MSPS 4 30mW
AD7933 10 1.5MSPS 4 16mW
AD7356 12 5MSPS 2 59mW
AD7914 10 1MSPS 4 13.5mW
AD7367 14 1MSPS 4 88.7mW
AD7922 12 1MSPS 2 15mW
AD7352 12 3MSPS 2 45mW
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For detailed drawings and chemical composition please consult our  Package Site

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Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

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This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.