LTV827 equivalent to PC827 PC521 PC522
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The LTV827 is a dual-channel optocoupler designed to provide electrical isolation and signal transmission between circuits. Each channel consists of an infrared LED and a phototransistor, allowing for reliable signal transmission while maintaining isolation. The LTV827 is equivalent to the PC827, PC521, and PC522, offering similar features and performance characteristics. It is suitable for applications such as microprocessor system interfaces, power supply circuits, and industrial control systems.
Key Features:
- Dual-channel configuration
- High isolation voltage
- Low input current requirements
- Compact 8-pin DIP package
- Compatible with TTL and CMOS logic levels
- High reliability and long lifespan
- Isolation Voltage: 5000 VRMS (1 minute)
- LED Forward Voltage: 1.2V (typical)
- LED Forward Current: 20mA (max)
- Collector-Emitter Voltage: 35V (max)
- Collector Current: 50mA (max)
- Current Transfer Ratio (CTR): 50% to 600%
- Operating Temperature Range: -55°C to +110°C
- Package: 8-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 dual isolated channels.
- 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