Click to expand full text
High Gain Darlington Output Optocouplers
Technical Data
4N45 4N46
Features
• High Current Transfer Ratio–1500% Typical
• Low Input Current Requirement–0.5 mA
• Performance Guaranteed over 0°C to 70°C Temperature Range
• Internal Base-Emitter Resistor Minimizes Output Leakage
• Gain-Bandwidth Adjustment Pin
• Safety Approval UL Recognized -2500 V rms for 1 Minute CSA Approved
Applications
• Telephone Ring Detector • Digital Logic Ground
Isolation
• Low Input Current Line Receiver
• Line Voltage Status Indicator–Low Input Power Dissipation
• Logic to Reed Relay Interface
• Level Shifting • Interface Between Logic
Families
Description
The 4N45/46 optocouplers contain a GaAsP light emitting diode optically coupled to a high gain photodetector IC.