EL814 equivalent to PC814 optocoupler
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The EL814 is a general-purpose optocoupler that provides electrical isolation between input and output circuits. It is designed for a wide range of applications requiring isolation and signal transmission. The EL814 is equivalent to the PC814, offering similar performance characteristics. It consists of an infrared LED and a phototransistor, housed in a compact 4-pin DIP package.
Key Features:
- High isolation voltage
- Low input current requirements
- Compact 4-pin DIP package
- High reliability and long operational life
- Compatible with TTL and CMOS logic levels
- Isolation Voltage: 5000 VRMS (1 minute)
- LED Forward Voltage: 1.2V (typical)
- LED Forward Current: 20mA (max)
- Collector-Emitter Voltage: 30V (max)
- Collector Current: 50mA (max)
- Current Transfer Ratio (CTR): 50% to 600%
- Operating Temperature Range: -55°C to +100°C
- Package: 4-pin DIP
- Microprocessor System Interfaces: Provides isolation and signal transmission in microprocessor and microcontroller interfaces.
- Industrial Control Systems: Ensures reliable isolation and control in industrial automation and control systems.
- Power Supply Circuits: Used in feedback loops and control circuits of power supplies for isolation and signal transmission.
- Data Communication: Ensures safe and efficient data communication with electrical isolation.
- Consumer Electronics: Provides isolation in various consumer electronic devices requiring high reliability.
- Medical Equipment: Used in medical devices for safe and isolated signal transmission.
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