Part Details
Features
  • CMOS 8-Bit 20 MSPS Sampling A/D Converter
  • Low Power Dissipation: 60 mW
  • +5 V Single Supply Operation
  • Differential Nonlinearity: 0.3 LSB
  • Differential Gain: 1%
  • Differential Phase: 0.5 Degrees
  • Three-State Outputs
  • On-Chip Reference Bias Resistors
  • Adjustable Reference Input
  • Video Industry Standard Pinout
  • Small Packages:
    - 24-Pin 300 Mil SOIC Surface Mount
    - 24-Pin 400 Mil Plastic DIP
Additional Details
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The AD775 is a CMOS, low power, 8-bit, 20 Msps sampling analog-to-digital converter (ADC). The AD775 features a built-in sampling function and on-chip reference bias resistors to provide a complete 8-bit ADC solution. The AD775 utilizes a pipelined/ping pong two-step flash architecture to provide high sampling rates (up to 35 MHz) while maintaining very low power consumption (60 mW).

Its combination of excellent DNL, fast sampling rate, low diferential gain and phase errors, extremely low power dissipation, and single +5 V supply operation make it ideally suited for a variety of video and image acquisition applications, including portable equipment. The AD775's reference ladder may be connected in a variety of configurations to accomodate different input ranges. The low input capacitance (11 pF typical) provides an easy-to-drive input load compared to conventional flash converters.

The AD775 is offered in both 300 mil SOIC and 400 mil DIP plastic packages, and is designed to operate over an extended commercial temperature range (-20°C to +75°C).

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