ELM337 Overview
Key Specifications
Length: 9.525 mm
Description
The 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.
Key Features
- Low power CMOS design
- typically 1mA at 5V
- Operates from 3V to 5.5V
- No external timing elements required
- Low parts count