Features and Benefits

  • Throughput:
    570 kSPS (Warp mode)
    500 kSPS (Normal mode)
    444 kSPS (Impulse mode)
  • INL: 2.5 LSB max (0.0038% of full scale)
  • 16-Bit resolution with no missing codes
  • S/(N+D): 90 dB Typ @ 45 kHz
  • THD: –100 dB Typ @ 45 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
  • See data sheet for additional features

Product Details

The AD7664 is a 16-bit, 570 kSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports.

The AD7664 is hardware factory-calibrated and is comprehensively tested to ensure such ac parameters 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 features a very high sampling rate mode (Warp), a fast mode (Normal) for asynchronous conversion rate applications, and for low power applications, a reduced power mode (Impulse) where the power is scaled with the throughput.

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.


  1. Fast Throughput
    The AD7664 is a 570 kSPS, charge redistribution, 16-bit SAR ADC with internal error correction circuitry.
  2. Superior INL
    The AD7664 has a maximum integral nonlinearity of 2.5 LSBs with no missing 16-bit code.
  3. Single-Supply Operation
    The AD7664 operates from a single 5 V supply and dissipates only a maximum of 115 mW. In Impulse Mode, 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.


  • Data acquisition
  • Instrumentation
  • Digital signal processing
  • Spectrum analysis
  • Medical instruments
  • Battery-powered systems
  • Process control

Product Lifecycle icon-recommended Production

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.

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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.