CLC446A8B NSC [National Semiconductor], CLC446A8B Datasheet
CLC446A8B
Related parts for CLC446A8B
CLC446A8B Summary of contents
Page 1
N CLC446 400MHz, 50mW Current-Feedback Op Amp General Description The National CLC446 is a very high-speed unity-gain-stable cur- rent-feedback op amp that is designed to deliver the highest lev- els of performance from a mere 50mW quiescent power. It pro- ...
Page 2
... Model ±48mA CLC446AJP ±Vcc CLC446AJE +175 ˚ C CLC446ALC CLC446A8B -65 ˚ +150 ˚ C CLC446AMC +300 ˚ C Contact the factory for other packages and DESC SMD number. 1000V Package Thermal Resistance Package Plastic (AJP) Surface Mount (AJE) Ceramic (A8B) Transistor Count ...
Page 3
Typical Performance Characteristics Non-Inverting Frequency Response 453 249 10V 200 -180 f -270 A ...
Page 4
Typical Performance Characteristics Short Term Settling Time 0.2 0.1 0 -0.1 -0.2 1n 10n The CLC446 has a current-feedback architecture built in an advanced complementary bipolar process. The key features of current-feedback are: AC bandwidth is independent of voltage gain ...
Page 5
DC Gain (unity gain buffer) The recommended R for unity gain buffers is 453 . left open. Parasitic capacitance at the inverting node may require a slight increase of R frequency response. DC Gain (inverting) The inverting ...
Page 6
Design (DC offsets) The DC offset model shown in Figure 6 is used to calculate the output offset voltage. The equation for out- put ...
Page 7
Using a resistor in series with a reactive load will also reduce the load’s effect on amplifier loop dynamics. For instance, driving coaxial cables without an output series resistor may cause peaking or oscillation. Transmission Line Matching One method for ...
Page 8
The CLC446 noise model in Figure 9 is used to develop this equation for NF 10log where the source ...
Page 9
D and D 1 from the input of the CLC522 to ground CLC446 500 D 250 ...
Page 10
Figure 12 shows the ideal response of this filter. Some methods to bring actual performance closer to this ideal are: Compensate for op amp delay effects (pre-distortion) Adjust for parasitic capacitances in the layout Use components with small tolerances Add ...
Page 11
This page intentionally left blank. 11 http://www.national.com ...
Page 12
Customer Design Applications Support National Semiconductor is committed to design excellence. For sales, literature and technical support, call the National Semiconductor Customer Response Group at 1-800-272-9959 or fax 1-800-737-7018. Life Support Policy National’s products are not authorized for use as ...