Optocoupler

DESCRIPTION The H11AA1 is a bi-directional input optically coupled isolator consisting of two inverse parallel gallium arsenide infrared LEDs coupled to a silicon NPN phototransistor in a 6 pin DIP package. The H11AA1 has a minimum CTR of 20 %, a CTR symmetry of 1:3 and is designed for applications requiring detection or monitoring of AC signals. FEATURES • AC or polarity insensitive input • Built-in reverse polarity input protection • I/O compatible with integrated circuits • Industry standard DIP package • Isolation test voltage: 5300 VRMS • Compliant to RoHS Directive 2002/95/EC and in accordance to WEEE 2002/96/EC APPLICATIONS • Telephone line detection • AC line motor • PLC • Instrumentation