Light SwitchThe ELM337 provides a convenient means to
Interface standard photocells or light dependent
resistors (LDRs) to digital Logic circuits. It provides
an input Comparator with hysteresis, line frequency
filtering, digital delays, and high current output
drivers all within the one 8 pin package.
Three mode setting pins configure the ELM337
for pulse or continuous output and for a delay on
change of from 1 msec to 10 minutes. The transition
threshold is set with a single external resistor,
simplifying designs and minimizing costs. By ELM Electronics
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| ELM337 Pb-Free | ELM337 Cross Reference | ELM337 Schematic | ELM337 Distributor |
| ELM337 Application Notes | ELM337 RoHS | ELM337 Circuits | ELM337 footprint |
