The part number " 6N137M " refers to a specific integrated circuit (IC) manufactured by Broadcom, formerly part of Avago Technologies. This IC is typically used as an optocoupler or optoisolator, specifically designed for high-speed data transmission and electrical isolation applications. It is part of Broadcom's optoelectronics series and is commonly used in communication and control systems where electrical isolation between different circuits is required.
Package Type
The "6N137M" is available in the DIP-8 package, which means it comes in an 8-pin dual in-line package.
Pin Function Specifications
Here is a detai LED explanation of the function of each pin for the 6N137M in the DIP-8 package:
Pin Number Pin Function Description 1 Anode of LED (Input) This pin connects to the anode of the internal LED (light-emitting diode). The LED is part of the optocoupler's light-to-electricity conversion. 2 Cathode of LED (Input) This pin connects to the cathode of the internal LED. The LED is driven by an external current-limiting resistor. 3 No Connection This pin is not connected to any internal function in the IC and may be left unconnected. 4 Ground (GND) This pin should be connected to the ground of the system. 5 Output Collector ( transistor ) This pin connects to the collector of the internal phototransistor. It is used for output signal transfer when the LED is activated. 6 Output Emitter (Transistor) This pin connects to the emitter of the internal phototransistor. It is the output of the optocoupler, which responds to the LED's light signal. 7 VCC (Positive Supply) This pin is used for the positive voltage supply to power the internal circuitry of the IC. 8 Open-Collector Output This pin is for the open-collector output. It connects to the output of the phototransistor for high-speed transmission of the data signal.Pin Function Usage
Pins 1 and 2: These are used for driving the internal LED within the optocoupler. The current flowing through these pins triggers the LED to emit light. Pin 4 (GND): This is the ground reference for the IC. Proper grounding ensures the stability and reliable operation of the optocoupler. Pin 5 (Output Collector): This pin is connected to the load or subsequent circuit, where the optocoupler's output can be monitored or used. Pin 6 (Output Emitter): This pin acts as the output from the phototransistor and typically provides a logical high or low output based on the input signal received by the LED. Pin 7 (VCC): This is the supply pin for the internal circuitry of the optocoupler. A stable voltage supply is essential for correct operation. Pin 8 (Open-Collector Output): This open-collector configuration allows for interfacing with various logic levels, making it versatile in digital communication applications.Frequently Asked Questions (FAQ) for the 6N137M
Q: What is the primary function of the 6N137M? A: The 6N137M is an optocoupler designed for high-speed data transmission and electrical isolation between circuits.
Q: How many pins does the 6N137M have? A: The 6N137M has 8 pins in the DIP-8 package.
Q: Can the 6N137M be used for high-speed communication? A: Yes, the 6N137M is capable of supporting high-speed data transmission up to 10 Mbps.
Q: What type of output does the 6N137M provide? A: The 6N137M provides an open-collector output for logic-level signals.
Q: What is the voltage supply requirement for the 6N137M? A: The 6N137M operates with a supply voltage (VCC) ranging from 4.5V to 5.5V.
Q: How do you connect the LED to the 6N137M? A: The LED is connected between pins 1 (anode) and 2 (cathode), with a current-limiting resistor.
Q: What is the purpose of the phototransistor in the 6N137M? A: The phototransistor serves to convert the light signal from the LED into an electrical signal for output.
Q: Can the 6N137M be used for voltage isolation? A: Yes, the 6N137M provides electrical isolation between its input (LED) and output (phototransistor).
Q: Is the 6N137M suitable for industrial applications? A: Yes, it is widely used in industrial control systems where signal isolation is critical.
Q: How should pin 3 be handled in the 6N137M? A: Pin 3 is not connected internally and can be left floating or unconnected in your design.
Q: What type of package does the 6N137M come in? A: The 6N137M is available in a DIP-8 package.
Q: Is the 6N137M compatible with TTL logic levels? A: Yes, the output from the 6N137M is compatible with TTL logic levels, making it easy to interface with standard logic circuits.
Q: What is the maximum current that can be applied to the LED in the 6N137M? A: The maximum current for the LED is typically 20 mA, though this depends on the specific application and required brightness.
Q: Can the 6N137M operate with a single supply voltage? A: Yes, the 6N137M can operate with a single supply voltage of 5V.
Q: How is the 6N137M protected from electrical damage? A: The 6N137M is designed with internal protective diodes and resistors to prevent damage from excessive current or voltage.
Q: How should the 6N137M be oriented in a circuit? A: The 6N137M should be oriented with the flat side facing you, with the pins numbered accordingly, as per standard DIP-8 pinout conventions.
Q: Can the 6N137M be used in high-voltage applications? A: The 6N137M is typically used in low-voltage systems and should not be used for high-voltage isolation unless specifically designed for that purpose.
Q: What is the typical response time of the 6N137M? A: The 6N137M has a fast response time of approximately 50 ns, making it suitable for high-speed digital applications.
Q: Can the 6N137M be used for power supply isolation? A: Yes, the 6N137M can provide isolation between the input and output circuits, which is useful for power supply isolation.
Q: What kind of external components are required for the 6N137M to function? A: External components include a current-limiting resistor for the LED, and optionally, pull-up resistors on the output side for proper logic level signals.
Conclusion
The 6N137M is a high-speed optocoupler from Broadcom, and its 8-pin DIP-8 package is designed to provide electrical isolation between circuits. The detailed functions and applications listed above are meant to guide users in integrating this component into their designs effectively.
