The TLP521-2GB is a photocoupler consisting of two gallium arsenide infrared LEDs and two silicon NPN phototransistors in a single package. This device provides electrical isolation between input and output, making it ideal for applications requiring signal isolation and data transfer between different voltage potentials. The TLP521-2GB is commonly used in industrial and consumer electronic applications for safe and reliable signal transmission.
Key Features:
- Dual channel optocoupler
- High input-to-output isolation voltage: 5000 Vrms
- Compact 8-pin DIP package
- Low input current requirement
- High current transfer ratio (CTR)
- Fast switching speed
- RoHS compliant
- Package Type: DIP-8
- Isolation Voltage: 5000 Vrms
- Forward Voltage (VF): 1.2 V (Typical)
- Reverse Voltage (VR): 5 V
- Input Current (IF): 50 mA (Maximum)
- Collector-Emitter Voltage (VCEO): 55 V (Minimum)
- Emitter-Collector Voltage (VECO): 7 V (Minimum)
- Collector Current (IC): 50 mA (Maximum)
- Power Dissipation: 200 mW
- Current Transfer Ratio (CTR): 50% - 600% @ IF = 5 mA, VCE = 5 V
- Rise Time (tr): 3 µs (Typical)
- Fall Time (tf): 2 µs (Typical)
- Operating Temperature Range: -55°C to +110°C
- Power Supply Isolation: Provides isolation between the control and power sections of power supplies.
- Signal Isolation: Used in data communication systems for isolating input and output signals.
- Industrial Control Systems: Ideal for use in PLCs, motor controllers, and other industrial automation equipment.
- Consumer Electronics: Ensures safe signal transmission in appliances and electronic devices.
- Telecommunication Equipment: Used in isolating communication signals in telecom systems.
- Medical Equipment: Provides isolation in medical devices for patient and equipment safety.
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