Data Sheet Rev. E

Alternative Parts

AD7988-1
AD7988-1

Lower Power, with SPI Interface, Smaller Package

Overview

Features and Benefits

  • Throughput: 100 kSPS
  • INL: 3 LSB max (0.0046% of full-scale)
  • 16-bit resolution with no missing codes
  • S/(N+D): 87 dB min at 10 kHz, 90 dB typ at 45 kHz
  • THD: –96 dB max at 10 kHz
  • Analog input voltage range: 0 V to 2.5 V
  • Both AC and DC specifications
  • No pipeline delay
  • Parallel and serial 5 V/3 V interface: SPI®/QSPI™/
    MICROWIRE™/ DSP compatible
  • Single 5 V supply operation
  • 21 mW typical power dissipation, 21 W at 100 SPS
  • Power-down mode: 7 µW max
  • Package: 48-lead quad flatpack (LQFP)
  • 48-Lead chip scale package (LFCSP)
  • Pin-to-pin compatible with the AD7664

Product Details

The AD7660 is a 16-bit, 100 kSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains an internal conversion clock, error correction circuits, and both serial and parallel system interface ports.

The AD7660 is hardware factory-calibrated and is comprehensively tested to ensure ac parameters such as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more traditional dc parameters of gain, offset, and linearity.

It is fabricated using Analog Devices’ high performance, 0.6 micron CMOS process with correspondingly low cost and is available in a 48-lead LQFP and a tiny 48-lead LFCSP with operation specified from –40°C to +85°C.

PRODUCT HIGHLIGHTS

  1. Fast throughput
    The AD7660 is a 100 kSPS, charge redistribution, 16-bit SAR ADC with internal error correction circuitry.
  2. Superior INL
    The AD7660 has a maximum integral nonlinearity of 3 LSBs with no missing 16-bit code.
  3. Single-supply operation
    The AD7660 operates from a single 5 V supply and only dissipates 21 µW typical. Its power dissipation decreases with the throughput to, for instance, only 21 µW at a 100 SPS throughput. It consumes 7 µW maximum when in power-down.
  4. Serial or parallel interface
    Versatile parallel or 2-wire serial interface arrangement compatible with both 3 V or 5 V logic.

APPLICATIONS

  • Data acquisition
  • Battery-powered systems
  • PCMCIA
  • Instrumentation
  • Automatic test equipment
  • Scanners
  • Medical instruments
  • Process control

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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Documentation & Resources

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  • Data Sheets (1)
  • Application Notes (1)
  • Product Highlight (1)
  • Technical Articles (1)
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    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

    AD7660 Material Declaration
    Quality And Reliability
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    • AD7660ASTZ Production
    • AD7660ASTZRL Production

    Support & Discussions

    AD7660 Discussions

    EVAL-AD7760/AD7762EDZ + EVAL-CED1Z
    4 week(s) ago in Precision ADCs
    RE: EVAL-AD7655EDZ users guide
    RE: ADC with really "True differential input"
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    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.