LT1256CS Datasheet

Linear - Amplifiers - Video Amps and Modules


The LT®1251/ LT1256CS are 2-input, 1-output, 40MHz current feedback amplifiers with a linear control circuit that sets the amount each input contributes to the output. These parts make excellent electronically controlled variable gain amplifiers, filters, mixers and faders. The only external components required are the power supply bypass capacitors and the feedback resistors. Both parts operate on supplies from ±2.5V (or single 5V) to ±15V (or single 30V). LT1256CS Features • Accurate Linear Gain Control: ±1% Typ, ±3% Max• Constant Gain with Temperature• Wide Bandwidth: 40MHz• High Slew Rate: 300V/ms• Fast Control Path: 10MHz• Low Control Feedthrough: 2.5mV• High Output Current: 40mA• Low Output Noise 45nV/ÖHz at AV = 1 270nV/ÖHz at AV = 100• Low Distortion: 0.01%• Wide Supply Range: ±2.5V to ±15V• Low Supply Current: 13mA• Low Differential Gain and Phase: 0.02%, 0.02° LT1256CS Applications • Composite Video Gain Control• RGB, YUV Video Gain Control• Video Faders, Keyers• Gamma Correction Amplifiers• Audio Gain Control, Faders• Multipliers, Modulators• Electronically Tunable Filter


[{"Name":"Packaging","Value":"Tube"},{"Name":"Applications","Value":"Current Feedback"},{"Name":"Number of Circuits","Value":"1"},{"Name":"-3db Bandwidth","Value":"40MHz"},{"Name":"Slew Rate","Value":"300 V/μs"},{"Name":"Current - Supply","Value":"14.5mA"},{"Name":"Current - Output / Channel","Value":"40mA"},{"Name":"Voltage - Supply, Single/Dual (±)","Value":"5 V ~ 30 V, ±2.5 V ~ 15 V"},{"Name":"Mounting Type","Value":"Surface Mount"},{"Name":"Package / Case","Value":"14-SOIC (0.154", 3.90mm Width)"}]

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