H11L1 High-Speed Schmitt Trigger Optoisolator DIP-6 (H11L1 DIP IC) The H11L1 is a high-speed, microprocessor-compatible optocoupler that combines a Gallium Arsenide (GaAs) infrared-emitting diode with a high-speed integrated Schmitt trigger detector. This IC is specifically designed to provide digital isolation while cleaning up noisy signals. The internal Schmitt trigger provides hysteresis, which ensures jitter-free, sharp logic transitions even with slow-moving or noisy input signals. It features an open-collector output, allowing it to interface easily with various logic families and voltages.
This IC is primarily used in industrial control systems, computer peripherals, and digital data transmission. It is a fundamental component for Arduino electronics projects in India involving logic level shifting, isolating sensitive microcontrollers from high-voltage DC circuits, and eliminating ground loops in high-speed serial communication (up to 1MHz).
Key Features
- High-speed operation up to 1MHz (NRZ)
- Integrated Schmitt trigger for clean logic transitions
- Microprocessor compatible with open-collector output
- High isolation voltage (up to 5300 Vrms)
- Low input current requirement (typically 1.6mA)
- Wide supply voltage range for the detector (3V to 15V)
- Guaranteed on/off threshold hysteresis
- High common-mode transient immunity
Specifications
- IC Type = Optoisolator with Schmitt Trigger
- Logic Family = Compatible with TTL, LSTTL, and CMOS
- Isolation Voltage = 5300 Vrms
- Data Rate = 1MHz (Typical)
- Forward Current (If) = 30mA (Maximum)
- Output Voltage (Vo) = up to 15V
- Output Current (Io) = 50mA
- Package Type = DIP-6
- Mounting Type = Through-Hole
- Operating Temperature = -40 to 85 degrees Celsius
Interfaces
- PIN 1 (ANODE) = Infrared LED Anode (+)
- PIN 2 (CATHODE) = Infrared LED Cathode (-)
- PIN 3 (NC) = No Connection
- PIN 4 (OUT) = Open-Collector Logic Output
- PIN 5 (GND) = Detector Ground (0V)
- PIN 6 (VCC) = Detector Supply Voltage (3V-15V)
