LM1279N

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Applications:	General Purpose
Output Type:	--
Number of Circuits:	3
-3db Bandwidth:	110MHz
Slew Rate:	--
Current - Supply:	80mA
Current - Output / Channel:	28mA
Voltage - Supply, Single/Dual (±):	7.5 V ~ 8.5 V
Mounting Type:	Through Hole
Package / Case:	20-DIP (0.300", 7.62mm)
Supplier Device Package:	20-DIP
Base Part Number:	LM1279

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LM1279N application field and working principleThe LM1279N from National Semiconductor is a linear video amplifier with a wide range of applications. It is ideal for use in professional video and multimedia systems that require high performance video signal amplification and impedance matching. It is also suitable for use in consumer applications such as televisions and home theatre systems.The LM1279N is designed to operate on any voltage from 3V to 16V and can deliver up to 5A of current. It features an adjustable bias current output of up to 500mA and an adjustable gain up to 15. This makes it suitable for use as a post-demodulation amplifier, pre- and post-equalizer, in switched capacitor filters, as a transconductance amplifier, as an amplifier for video switchers and for video processing applications.The LM1279N is a differential input video amplifier with low noise, wide bandwidth, low distortion and low-input offset voltage. It is capable of driving loads up to 75 ohms. The gain is adjustable from 0.05 to 15 times the input signal and includes a dual-mode input that allows the user to switch between negative and positive polarity.The LM1279N also features an adjustable gain range and low voltage supplies. The dual-mode input allows the user to switch between negative and positive polarity, allowing the user to match the output to the expected load impedance. The supply current of the LM1279N remains low even when the output is short-circuited, preventing damage to the amplifier and other components.The LM1279N also features a low-input offset voltage and high-settle time, allowing it to quickly and precisely react to input signals. It is also designed to reject large signals and noise, which helps reduce distortion and reduce the amount of video interference.The LM1279N\'s output is capable of driving 75 ohm loads with excellent gain accuracy and noise performance. The output can be wired in a variety of ways to drive a variety of loads, including video lines and multiplexers. It also includes a power-down mode, allowing the user to reduce the power consumption when the amplifier is not in use.Overall, the LM1279N is a versatile linear video amplifier module which can be used in a variety of applications. It is capable of accurately and precisely amplifying video signals with low noise levels and low-input offset voltage. It is designed to reject large signals and noise and is capable of driving 75 ohm loads with excellent gain accuracy and noise performance. It is ideal for use in consumer and professional video applications.

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