This part is a kind of semiconductor called LM2900.

Function of this product has LM2900/LM3900/LM3301 Quad Amplifiers.

Manufacturers : National Semiconductor

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LM2900 LM3900 LM3301 Quad Amplifiers February 1995 LM2900 LM3900 LM3301 Quad Amplifiers General Description The LM2900 series consists of four independent dual input internally compensated amplifiers which were designed specifically to operate off of a single power supply voltage and to provide a large output voltage swing These amplifiers make use of a current mirror to achieve the non-inverting input function Application areas include ac amplifiers RC active filters low frequency triangle squarewave and pulse waveform generation circuits tachometers and low speed high voltage digital logic gates Features Y Y Y Y Y Y Y Y Wide single supply voltage 4 VDC to 32 VDC g 2 VDC to g 16 VDC Range or dual supplies Supply current drain independent of supply voltage Low input biasing current 30 [ ... ]

LM2900 PDF Datasheet Download