6N139 High-Gain Optocoupler IC – Darlington Output DIP-8

Description

The 6N139 is a high-performance optocoupler IC that utilizes an infrared light-emitting diode (LED) coupled with an integrated high-gain photodetector. This unique combination allows the device to achieve an extremely high current transfer ratio, making it an excellent choice for applications requiring high-sensitivity signal isolation.

The 6N139 features separate pins for the photodiode and the output stage, enabling TTL-compatible saturation voltages and high-speed operation. Furthermore, the inclusion of a base access terminal allows for precise gain-bandwidth adjustment, providing engineers with the flexibility needed for complex signal processing, line receiving, and ground isolation across various logic families (TTL, CMOS, LSTTL).

Note: Product images are for reference only. The actual product may vary in appearance or manufacturer marking depending on stock availability.

Features

• High Sensitivity: Extremely high Current Transfer Ratio (CTR) – 2000% typical.
• Efficiency: Requires very low input current (0.5 mA).
• Logic Compatibility: TTL compatible output with 0.1V typical low-level output voltage.
• Design Flexibility: Base access terminal for gain-bandwidth adjustment.
• High Output Current: Capable of handling up to 60mA.
• Safety: UL recognized for high voltage isolation (up to 5000V).

Benefits

• Provides superior electrical isolation between disparate logic families.
• Eliminates signal ground loops when interfacing with microprocessors.
• Reliable performance guaranteed over the industrial temperature range (0°C to 70°C).
• Versatile configuration allows for use in diverse applications from RS-232 receivers to ring detectors.

Applications

• Logic Family Ground Isolation (TTL, CMOS, LSTTL)
• EIA RS-232C Line Receivers
• Low Input Current Line Receivers
• Telephone Ring Detectors
• High-Voltage Insulation Systems

Package Includes

• 1 x 6N139 High-Gain Optocoupler IC (DIP-8)

Specifications