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Name: 6N137SD
Brand: Fairchild Semiconductor
SKU: 6N137SD
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Fairchild Semiconductor 6N137SD

Part No.:: 6N137SD

Manufacturer:: Fairchild Semiconductor

Package:: 8-SMD, Gull Wing

Datasheet:: 6N137SD.pdf

Description:: LOGIC IC OUTPUT OPTOCOUPLER

In Stock:: 3216

Quantity:: Add To Cart

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6N137SD Typical application Circuitry

6N137SD

The 6N137SD is a prominent representative of high-speed optocouplers. These components are quintessential for applications needing swift and reliable data transfer while providing significant electrical isolation between input and output circuits.

Key Features of the 6N137SD:

1. Rapid Data Transfer: The 6N137SD boasts an impressive data rate, allowing it to handle high-speed digital signals effectively.

2. Superior Electrical Isolation: Optocouplers like the 6N137SD excel in keeping input and output circuits distinctly separate, ensuring they are immune to electrical disturbances from each other.

3. Low Input-Output Propagation Delay: The swift response time of the 6N137SD ensures that signals are transmitted with minimal delay.

4. Totem Pole Output: This design feature makes the 6N137SD adept at directly interfacing with logic gates and an array of digital devices.

Real-world Applications:

From digital logic ground isolation and power electronics signal isolation to bridging communication between microcontrollers, the 6N137SD finds its niche in a myriad of settings.

Application Blueprint: Interfacing Between a Microcontroller and a PC:

1. Power Configuration:

- Pin 8 (VCC): This is wired to the +5V supply.

- Pin 5 (GND): Ground this pin on the PC side.

2. Input Interface:

- Pin 2 (Anode): This is interfaced with a UART-Tx line from the microcontroller. Ensure there's a current-limiting resistor in this series connection.

- Pin 3 (Cathode): Ground this pin on the microcontroller's side.

3. Output Arrangement:

- Pin 6 (VO): This output pin is linked to the UART-Rx of the PC.

- Pin 7 (VE): It's grounded for most configurations. However, it can function as an enable pin for the optocoupler in specific settings.

4. Feedback Network:

- Always wise to have a pull-up resistor connecting Pin 6 (VO) and Pin 8 (VCC). This ensures clarity in high-level output voltages.

5. Guaranteed Isolation:

- With the 6N137SD in play, the grounds of the microcontroller and PC remain isolated, thereby preventing unwanted interference.

Design Considerations:

- Selecting Input Resistor: Deciding on the resistor value for Pin 2 (Anode) is pivotal. It maintains the LED's integrity within the 6N137SD by restricting the current.

- Output Pull-Up Resistor: The magnitude of this resistor, tied between Pin 6 (VO) and Pin 8 (VCC), can impact signal integrity and the definitive high-level output voltage.

- Locational Strategy: Ideally, station the 6N137SD proximal to the source or destination of the signal to curtail interference.

- Capacitive Decoupling: A capacitor between Pin 8 (VCC) and Pin 5 (GND) can enhance signal integrity by sieving out noise.

To wrap it up, the 6N137SD is a digital signal marvel, ensuring unerring data transfer amidst isolated domains. Integrating it properly in circuits guarantees impeccable performance and a prolonged operational lifespan of the overarching system.

6N137SD information

6N137SD Specifications

Packaging:
Bulk
Series:
-
ProductStatus:
Obsolete
NumberofChannels:
1
Inputs-Side1/Side2:
1/0
Voltage-Isolation:
2500Vrms
CommonModeTransientImmunity(Min):
10kV/µs (Typ)
InputType:
DC
OutputType:
Open Collector
Current-Output/Channel:
50 mA
DataRate:
10Mbps
PropagationDelaytpLH/tpHL(Max):
75ns, 75ns
Rise/FallTime(Typ):
50ns, 12ns
Voltage-Forward(Vf)(Typ):
1.4V
Current-DCForward(If)(Max):
50mA
Voltage-Supply:
4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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6. What is the process for return or replacement of 6N137SD?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 6N137SD we delivered, we will accept the replacement or return of the 6N137SD only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 6N137SD.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations