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The Analog Devices AD9768SD D/A converter is a monolithic current-output converter which can accept 8 bits of ECL-level digital input voltages and convert them into analog signals at update rates as high as 100MSPS. In addition to its use as a standard D/A converter, it can also be utilized as a two-quadrant multiplying D/A at multiplying bandwidths as high as 40MHz.

An inherently low glitch design is used, and the complementary current outputs are suitable for driving transmission lines directly. Nominal full-scale output is 20mA, which corresponds to a 1-volt drop across a 50 Ohm load, or ±1 volt across 100 Ohm returned to +1volt. The actual output current is determined by the on-chip reference voltage (VREF-1.26V) and an external current setting resistor, RSET.

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