LTV817B optocoupler
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The LTV817B is an optocoupler device that integrates an infrared emitting diode (LED) and a phototransistor in a compact 4-pin DIP package. It provides electrical isolation between input and output circuits, offering protection against noise and voltage spikes in sensitive electronic applications.
Key Features:
- Optically coupled isolator
- Infrared emitting diode (LED) and phototransistor
- High isolation voltage: 5,000 Vrms (minimum)
- Low input current requirement
- High current transfer ratio (CTR)
- Compact 4-pin DIP package
- RoHS compliant
- Package Type: 4-pin DIP
- Isolation Voltage: 5,000 Vrms (minimum)
- Forward Voltage (VF): Typically around 1.2V at 20mA forward current
- Collector-Emitter Voltage (VCEO): 35V
- Power Dissipation (PD): 100mW
- Operating Temperature Range (TOPR): -55°C to +110°C
- Storage Temperature Range (TSTG): -55°C to +125°C
- Soldering Temperature (TSOL): 260°C for 10 seconds
- Signal Isolation: Provides electrical isolation in control and communication systems.
- Voltage Level Shifting: Enables interfacing between circuits with different voltage potentials.
- Noise Reduction: Suppresses noise and interference in sensitive electronic circuits.
- Switching Power Supplies: Controls feedback signals and voltage regulation.
- Microcontroller Interface: Interfaces microcontrollers with high-voltage circuits safely.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment