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Discontinued/Obsolete

7672 12-Bit A/D Converter

Discontinued Product. Please contact the factory for the latest replacement.

Description:

Part Number(s): 7672

DDC's 7672 high-speed 12-bit analog-to digital converter microcircuit features a greater than 100 krad (Si) total dose tolerance, depending upon space mission. The 7672 uses an accurate high-speed DAC and comparator to achieve conversion time as low as 5 μs while dissipating only 110 mW of power. The 7672 is designed to be used with an external reference voltage. This allows the user to choose a reference whose performance suits the application or to drive multiple 7672s from a single system reference, since the reference input is buffered and draws very little current. For digital signal processing applications where absolute accuracy and temperature coefficients may be unimportant, a low cost reference can be used. For optimal precision, a high accuracy reference where an absolute 12-bit accuracy can be obtained over a wide temperature range may be used. Analog input range is pin-selectable for 0 to +5V, 0 to +10V, or ±5V, making the ADC ideal for data acquisition and analog input/output cards. A high-speed digital interface (125 ns data access time) with three state data outputs is compatible with most microprocessors.

DDC's patented RAD-PAK® packaging technology incorporates radiation shielding in the microcircuit package. It eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or space mission. In a GEO orbit, RAD-PAK provides greater than 100 krad (Si) radiation dose tolerance. This product is available with screening up to Class S.

Features:

  • 12-bit high speed A/D converter
  • RAD-PAK® radiation-hardened against natural space radiation
  • Total dose hardness:
    • >100 krad (Si), depending upon space mission
  • Excellent Single Event Effect
    • SEL > 120 Mev/mg/cm2
    • SEUTH > 5.8 Mev/mg/cm2
    • SEUSat = -1E-4 cm2/Device
  • Package:
    • 24 pin RAD-PAK® flat package
    • 24 pin RAD-PAK® DIP
  • Fast conversion times:
    • 7672-05: 5 μs
  • Low 110 mW typical power consumption
    • Corrects all single-bit errors
    • Detects all double and some triple-bit errors
  • High-speed BiCMOS technology
    • Choice of +5V and +10V input ranges
    • Operates with +5V and -12V power supplies
    • Fast 125 ns bus-access time

Applications:

Documentation:

 Datasheet

7672 12-Bit A/D Converter Data Sheet


 Whitepaper

How Rad Hard Do You Need? The Changing Approach To Space Parts Selection?


Proton Transport An Examination of Model and Experimental Data For Space Environment Protons


 Generic Document

DDC Custom Solutions Brochure


DDC Product Catalog


DDC Corporate Overview


Software:

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