EL2160CM Ver la hoja de datos (PDF) - Intersil
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EL2160CM Datasheet PDF : 14 Pages
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EL2160
Differential Gain and Phase Test Circuit
Simplified Schematic (One Amplifier)
Applications Information
Product Description
The EL2160 is a current mode feedback amplifier that offers
wide bandwidth and good video specifications at a
moderately low supply current. It is built using Elantec's
proprietary complimentary bipolar process and is offered in
industry standard pin-outs. Due to the current feedback
architecture, the EL2160 closed-loop 3dB bandwidth is
dependent on the value of the feedback resistor. First the
desired bandwidth is selected by choosing the feedback
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resistor, RF, and then the gain is set by picking the gain
resistor, RG. The curves at the beginning of the Typical
Performance Curves section show the effect of varying both
RF and RG. The 3dB bandwidth is somewhat dependent on
the power supply voltage. As the supply voltage is
decreased, internal junction capacitances increase, causing
a reduction in closed loop bandwidth. To compensate for
this, smaller values of feedback resistor can be used at lower
supply voltages.
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