1. Products
  2. A/D Converters (ADC)
  3. High Speed A/D Converters >10 MSPS
  4. Standard High Speed A/D Converters
  5. HMCAD1520


Features and Benefits

  • High Speed Modes (12-bit / 8-bit)
    Quad Channel Mode: FSmax = 160 / 250 MSPS
    Dual Channel Mode: FSmax = 320 / 500 MSPS
    Single Channel Mode: FSmax = 640 / 1000 MSPS
    SNR: 70 dB, SFDR: 60/75 dB
    (12-bit 1ch Mode)
  • 8-bit Modes Described in HMCAD1511 and HMCAD1510
  • Precision Mode (14-bit)
    Four channels up to 105 MSPS
    SNR : 74 dB, SFDR: 83 dB @ 70 MHz
    SNR : 72.5 dB, SFDR: 78 dB @ 140 MHz
  • Integrated Cross Point Switches with instantaneous switching
  • Internal low jitter programmable Clock Divider
  • Ultra Low Power Dissipation
    490 mW including I/O at 12-bit 640 MSPS
  • 0.5 μs start-up time from Sleep,
    15 μs from Power Down
  • Internal reference circuitry with no external components required
  • Coarse and fine gain control
  • Digital fine gain adjustment for each ADC
  • Internal offset correction
  • 1.8 V supply voltage
  • 1.7 - 3.6 V CMOS logic on control interface pins
  • Serial LVDS output
    12, 14, 16 and Dual 8-bit modes available
  • 7 x 7 mm 48 QFN Package

Product Details

The HMCAD1520 is a versatile high performance low power analog-to-digital converter (ADC), with interleaving High Speed Modes to increase sampling rate. Integrated Cross Point Switches activate the input selected by the user.

In Single Channel Mode, one of the four inputs can be selected as valid input to the single ADC channel. In Dual Channel Mode, any two of the four inputs can be selected to each ADC channel. In Quad Channel Mode and Precision Mode, any input can be assigned to any ADC channel. An internal, low jitter and programmable clock divider makes it possible to use a single clock source for all operational modes.

The HMCAD1520 is based on a proprietary structure, and employs internal reference circuitry, a serial control interface and a serial LVDS output data. Data and frame synchronization clocks are supplied for data capture at the receiver. Internal digital fine gain can be set separately for each ADC to calibrate for gain errors.

Various modes and configuration settings can be applied to the ADC through the serial control interface (SPI). each channel can be powered down independently and output data format can be selected through this interface. A full chip idle mode can be set by a single external pin.

Register settings determine the exact function of this pin. HMCAD1520 is designed to interface easily with Field Programmable Gate Arrays (FPGAs) from several vendors.


  • Precision Oscilloscopes
  • Spectrum Analyzers
  • Diversity Receivers
  • Hi-End Ultrasound
  • Communication Testing
  • Non Destructive Testing

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.

Evaluation Kits (2)

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.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
HMCAD1520 Material Declaration Reliability Data 48-Lead LFCSP (7mm x 7mm w/ EP)
HMCAD1520TR Material Declaration Reliability Data 48-Lead LFCSP (7mm x 7mm w/ EP)
Wafer Fabrication Data

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Evaluation Boards

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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.