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High Speed Multi-Mode 8-Bit 500 MSPS A/D Converter

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Part Details
  • 8-bit High Speed Single/ Dual/ Quad ADC
    Single Channel Mode: FSmax = 500 MSPS
    Dual Channel Mode: FSmax = 250 MSPS
    Quad Channel Mode: FSmax = 125 MSPS
  • Integrated Cross Point Switches (Mux Array)
  • 1X to 50X digital gain
    No missing codes up to 32X
  • 1X gain: 49.8 dB SNR
    10X gain: 48.2 dB SNR
  • Internal low jitter programmable Clock Divider
  • 0.5 μs start-up time from Sleep, 15 μs from Power Down
  • Ultra Low Power Dissipation
    295 mW including I/O at 500 MSPS & reduced bias
  • 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
Additional Details
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The HMCAD1510 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.

In single channel mode, one of the four inputs can be selected as a 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, 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 HMCAD1510 is based on a proprietary structure, and employs internal reference circuitry, a serial control interface and serial LVDS/RS DS 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.

HMCAD1510 is designed to easily interface with Field Programmable Gate Arrays (FPGAs) from several vendors.


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