74OL6011SD

Data Rate:	15MBd
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	4.5 V ~ 15 V
Current - DC Forward (If) (Max):	--
Voltage - Forward (Vf) (Typ):	--
Rise / Fall Time (Typ):	50ns, 5ns
Propagation Delay tpLH / tpHL (Max):	180ns, 120ns
Series:	OPTOLOGIC™
Current - Output / Channel:	40mA
Output Type:	Open Collector, Schottky Clamped
Input Type:	Logic
Common Mode Transient Immunity (Min):	5kV/µs
Voltage - Isolation:	5300Vrms
Inputs - Side 1/Side 2:	1/0
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

optoisolators are widely used in industrial and automotive applications to allow electrical isolation and improved safety where high voltages are present. 74OL6011SD is a new type of single-channel logic output optoisolator specifically designed for high-speed, low-power, and easy-to-use designs. This article explains the application fields and working principles of 74OL6011SD.

Description of 74OL6011SD

74OL6011SD is a single-channel logic output optoisolator consisting of a GaAlAs infrared LED, an NPN phototransistor, and a voltage regulator in a 4-pin SO-6 package. The device supports up to 400 V working voltage and has fast switching speed of up to 5 kHz, making it superior to other optoisolators in its class. It is also designed with a low power consumption of 1.5 mW at 5 V supply voltage, making it energy efficient and suitable for battery-powered applications. The device is also safe from static electricity and has an ESD protection rating of up to 8 kV, making it safe for use in harsh environments and improved reliability over time.

Application Field of 74OL6011SD

The 74OL6011SD optoisolator is suitable for use in high-speed, low-power applications, making it ideal for push-pull circuits, logic-level switching, and low-voltage differential signaling applications. It can also be used in automotive, medical, and industrial applications due to its high-voltage protection and high resistance to ESD and mechanical shock.

Working Principle of 74OL6011SD

The optoisolator contains an LED and an NPN phototransistor. When the LED is illuminated, a current flows through the phototransistor and it pulls the output voltage downwards, signaling a low-level output. When the LED is not illuminated, the phototransistor does not conduct, and the output voltage rises, signaling a high-level output.The voltage regulator inside the optoisolator limits the working voltage range of the LED and the phototransistor, reducing the risk of failure. It also prevents the LED from being overdriven, which increases the life of the device and improves reliability. The voltage regulator also allows the device to be used with a wide range of input voltage.

Conclusion

74OL6011SD is a 4-pin logic output optoisolator ideal for high-speed and low-power applications. It is suitable for use in a variety of applications due to its fast switching speed, static electricity resistance, and high voltage protection. The voltage regulator integrated in the device allows the LED to be operated over a wide range of input voltage and prevents it from being overdriven, increasing its life and reliability.

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