製品概要

機能と利点

  • 8-bit High Speed Single/ Dual ADC
    Single Channel Mode: FSmax = 900 MSPS
    Dual Channel Mode: FSmax = 450 MSPS
  • Integrated Cross Point Switches (Mux Array)
  • 1X to 50X digital gain
    No missing codes up to 32X
  • Internal low jitter programmable Clock Divider
  • Ultra Low Power Dissipation
    650 mW including I/O at 900 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/RS DS output
  • 7x7 mm QFN 48 Pin (LP7D) Package

製品概要

The HMCAD1512 is a versatile high performance low power analog-to-digital converter (ADC), utilizing time-interleaving to increase sampling rate. Integrated Cross Point Switches activate the input selected by the user.

The device contains 2 ADCs that can be interleaved by the user to act as a single channel or two channels. In single
channel mode, either of the two inputs can be selected as a valid input to the single ADC channel. In dual channel
mode, either of the two inputs can be selected for each ADC channel. (The HMCAD1512 does not support the quadchannel mode. The HMCAD1511 should be used for this purpose).

An internal, low jitter and programmable clock divider makes it possible to use a single clock source for all operational modes.
The HMCAD1512 is based on a proprietary structure, and employs internal reference circuitry, a serial control interface and serial LVDS/RSDS output data. Data and frame synchronization clocks are supplied for data capture at the receiver. Internal 1 to 50X digital coarse gain with ENOB > 7.5 up to 16X gain, allows digital implementation of oscilloscope gain settings. 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 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.

HMCAD1512 is designed to easily interface with Field Programmable Gate Arrays (FPGAs) from several vendors.

Applications

  • Point-to-point Microwave Links
  • Digital Oscilloscopes
  • Satellite Receivers

製品ライフサイクル icon-recommended 最終販売

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設計リソース

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.

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