H11L1 DIP/SMD Logic Output Optoisolator 1MHz Open Collector IC (H11L1)
The H11L1 is a logic output optoisolator designed for electrical isolation and high speed digital signal transmission applications. It features an internal infrared LED and Schmitt trigger detector with open collector output, making it suitable for noise isolation, microcontroller interfacing, industrial automation, and digital communication systems.
Key Features -
- Logic output optoisolator IC
- Open collector output configuration
- High speed operation up to approx 1MHz
- Built-in Schmitt trigger detector
- Excellent electrical isolation performance
Specifications -
- IC type / Product type - Logic Output Optoisolator IC
- Logic family / Component type - Optocoupler / Isolation IC
- Package type - DIP or SMD package depending on variant
- Supply voltage - Approx 4.5V to 16V DC
- Input voltage - Infrared LED input drive
- Output voltage - Open collector logic output
- Current rating - LED forward current approx 10mA to 20mA typical
- Frequency / propagation delay - Approx 1MHz switching capability
- Operating temperature - Approx -40 to +85 degree C
- Additional important specifications - High isolation voltage, Schmitt trigger input response, open collector transistor output, noise immunity, high speed switching performance
Applications -
- Microcontroller isolation circuits
- Industrial automation systems
- Digital signal isolation
- Switching power supply feedback circuits
- Communication interface isolation
Pinout Configuration -
- Pin 1 - LED anode input
- Pin 2 - LED cathode input
- Pin 3 - Ground connection
- Additional pins - Open collector output pin, VCC supply pin, enable or detector output connections depending on package variant
