DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERSThe TLC7628C TLC7628E and TLC7628I are
dual, 8-bit, digital-to-analog converters (DACs)
designed with separate on-chip data Latches and
feature exceptionally close DAC-to-DAC
matching. Data is transferred to either of the two
DAC data Latches through a common, 8-bit input
port. Control input DACA/DACB determines
which DAC is loaded. The load cycle of these
devices is similar to the write cycle of a
random-access memory, allowing easy Interface
to most popular Microprocessor buses and output ports. Segmenting the high-order bits minimizes glitches
during changes in the most significant bits, where glitch impulse is typically the strongest.
The TLC7628C operates from a 10.8-V to 15.75-V power supply and is TTL-compatible over this range. 2- or
4-quadrant multiplying makes these devices a sound choice for many microprocessor-controlled gain-setting
and signal-control applications.
The TLC7628C is characterized for operation from 0C to 70C. The TLC7628I is characterized for operation
from 25C to 85C. The TLC7628E is characterized for operation from 40C to 85C. By Texas Instruments
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