Data acquisition system has four channels
The LM12454 complete 12-bit-plus-sign self-calibrating data acquisition
system is a four-channel version of the company's LM12458. It has an 8.
8-microsecond maximum conversion time and an 88-ksample/s throughput rate.
The LM12454 is characterized for 3-V operation and dissipates 30 mW max
at +5 V. It comes in a 44-pin PLCC. In addition, a design kit is available
that includes an evaluation board and software compatible with XT- and
AT-style computers. (LM12454, $29.40 ea/100; kit, $225–available now.)
National Semiconductor Corp. Santa Clara, CA Information 800-628-7364,
ext. 213
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