AD7980:  16-Bit, 1 MSPS PulSAR® ADC in MSOP/QFN

The AD7980 is a 16-bit, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 16-bit sampling ADC and a ...More

ACE Awards, EE Times China

ACE Awards, EE Times China
2007 Product of the Year
Category: A/D D/A Converter ICs

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AD7980:  16-Bit, 1 MSPS PulSAR® ADC in MSOP/QFN

Product Description

The AD7980 is a 16-bit, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 16-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, it samples an analog input IN+ between 0 V to REF with respect to a ground sense IN−. The reference voltage, REF, is applied externally and can be set independent of the supply voltage, VDD. Its power scales linearly with throughput.

The SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single, 3-wire bus and provides an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate supply VIO.

The AD7980 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from −40°C to +125°C.

Applications

  • Battery-powered equipment
  • Communications
  • ATE
  • Data acquisitions
  • Medical instruments

Data Sheet, Rev. A, 9/08

Features

  • 16-bit resolution with no missing codes
  • Throughput: 1 MSPS
  • Low power dissipation:
    7.0 mW @ 1 MSPS, 70 μW @ 10 kSPS
  • INL: ±0.6 LSB typical, ±1.25 LSB maximum
  • SINAD: 91.25 dB @ 10 kHz
  • THD: −110 dB @ 10 kHz
  • Pseudo differential analog input range
  • See data sheet for additional features

Diagrams

AD7980 Diagram
Functional Block Diagram for AD7980

Specifications

Resolution (Bits) 16bit
T-Put Rate 1MSPS
# Chan 1
Supply V Single(+2.5)
Pwr Diss 10mW
Interface Ser,SPI
Ain Range Uni (Vref)
SNR (dB) 91dB
Pkg Type CSP,SOP

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Part# Bits Throughput Rate # of Inputs Operating Pwr Diss
AD7980 16 1MSPS 1 10mW
AD7982 18 1MSPS 1 8.6mW
AD7450 12 1MSPS 1 1.3mW
AD7450A 12 1MSPS 1 9mW
AD7451 12 1MSPS 1 9.25mW
AD7440 10 1MSPS 1 9mW
AD7441 10 1MSPS 1 9.3mW
AD7983 16 1.33MSPS 1 12mW
AD7623 16 1.33MSPS 1 55mW
AD7622 16 2MSPS 1 85mW
AD7621 16 3MSPS 1 86mW
Pricing, Packaging & Availability

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  • Pre-Release: The model has not been released to general production, but samples may be available.
  • Production: The model is currently being produced, and generally available for purchase and sampling.
  • Last Time Buy: The model has been scheduled for obsolescence, but may still be purchased for a limited time.
  • Obsolete: The specific part is obsolete and no longer available. Other models listed in the table may still be available (if they have a status that is not obsolete).
Package Description
The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count
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.

Temperature Range
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
Price
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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Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

*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.

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