SA555N

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	555 Type, Timer/Oscillator (Single)
Count:	--
Frequency:	500kHz
Voltage - Supply:	4.5 V ~ 16 V
Current - Supply:	10mA
Operating Temperature:	-40°C ~ 105°C
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-DIP
Mounting Type:	Through Hole
Base Part Number:	SA555

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SA555N is a popular and widely used programmable timers and oscillators. It is a monolithic timer that is used in wide range of applications, such as clock setting and generating, timing, frequency division and pulse generation. This device is popular for its low cost and wide availability.The SA555N is based on a two stage, high speed differential amplifier and a sharp RC low pass filter. The input stage is a high gain, differential amplifier with a gain-bandwidth product of 10MHz, which is followed by a fast and sharp active filter. The output stage is an open collector, which is configured to either source or sink current.The difference between the SA555N and other programmable timers and oscillators is that the SA555N has an adjustable duty cycle. This is a great feature that allows customers to adjust the output duty cycle depending on their need. Some applications require high duty cycles to minimize power consumption and others require low duty cycles to minimize noise. By adjusting the duty cycle, the SA555N can be used in both types of applications.The SA555N can be used in many possible applications and can be used to generate a wide range of frequencies. It can be used in clock generating and communications systems, televisions and audio systems, laboratory equipment and industrial applications.The SA555N has two controllable parameters: frequency and duty cycle. The frequency is adjustable via two potentiometers and the duty cycle is adjustable via a single potentiometer. The frequency range is from 3kHz to 15MHz and the duty cycle is from 0% to 100%.The working principal of the SA555N is based on an oscillator circuit. It is composed of an operational amplifier, a resistor and a capacitor. The operational amplifier acts as a comparator and is connected to the two potentiometers. The capacitor is in series with the two potentiometers and it charges and discharges through the resistors in accordance with the voltage at the input. When the capacitor reaches a certain voltage level, the comparator changes states producing a high or low output. This switches the transistor in the output stage on and off, which creates a square wave. The output waveform will depend on the values of the capacitor, resistors and potentiometers used.The SA555N is highly reliable and is typically used in medium to high precision applications.The SA555N is an ideal device for applications where low-cost, reliable timing and oscillator performance is required. It has a wide frequency range and adjustable duty cycle, making it highly suitable for many applications. The device is easy to use, stable and highly efficient. It is widely used in many different applications and is sure to continue to be one of the most popular programmable timers and oscillators on the market.

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