ncs2561 ON Semiconductor, ncs2561 Datasheet
ncs2561
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ncs2561 Summary of contents
Page 1
... Digital-to-Analog Converters (DAC) embedded in most video processors. The NCS2561 internally integrates an 8 MHz 2-pole video DAC reconstruction filter with a fixed gain of 2. The NCS2561 also has a built-in SAG correction circuit when used at the output in an AC-coupled mode. To further reduce power consumption, an enable pin is provided ...
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... MAXIMUM POWER DISSIPATION The maximum power that can be safely dissipated is limited by the associated rise in junction temperature. For the plastic packages, the maximum safe junction temperature is 150°C. If the maximum is exceeded momentarily, proper circuit operation will be restored as NCS2561 Description < 3 Characteristic Machine Model Oxygen Index not exceeded ...
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... The normalized gain is guaranteed by design and characterization. The max normalized gain of +0 the result of smooth peaking (pre-emphasis, see figure 2) taking into account the increase of the losses at the highest frequencies into connectors and cable at the output. For frequencies lower than 2 MHz the max normalized gain is 0.4 dB. NCS2561 = 150 W to GND, unless otherwise specified +25° ...
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... TYPICAL CHARACTERISTICS Figure 2. Frequency Response Figure 4. Differential Gain Figure 6. PSRR vs. Frequency NCS2561 = 150 W, unless otherwise specified) ( +25°C and Figure 3. Group Delay vs. Frequency Figure 5. Differential Phase Figure 7. Quiescent Current vs. Supply Voltage http://onsemi.com 4 ...
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... Figure 8. Quiescent Current vs. Temperature ( NCS2561 Figure 9. Signal-to-Noise Ratio vs. Temperature http://onsemi.com 5 ...
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... NCS2561 APPLICATIONS INFORMATION To ensure the output signal is not clipped due to the lower rail limit, the NCS2561 has built-in level shift circuitry. The role of this circuitry is to avoid clipping of the sync signal at the output by shifting up the video signal by about 60 mV. The level shift circuitry level shifts the sync signal above the internal op amp transistor saturation limit ...
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... Video DAC Level Shifter Rs NCS2561 capacitors, and a coupling configuration to saving space. The sag compensation circuitry allows the reduction of this output coupling capacitor value by inducing peaking at the lower cutoff frequency of the high pass filter. The high-pass filter is created by the coupling capacitor and the load resistor (1/(2pR frequency ...
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... Video DAC Level Shifter Rs Figure 15. NCS2561 in an AC-Coupled Configuration with no sag NCS2561 Figures 13 and 14 show the impact of the output coupling capacitor on a video signal corresponding to a worst case situation regarding the low frequency bandwidth. The video signal used 1/2 black - 1/2 white video pattern. ...
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... DC-Coupled Output Having efficient output AC-coupled capability thanks to the sag correction option, with the built-in level shifter, the NCS2561 can also be DC-coupled to a 150 W load. This has the advantage of eliminating the AC-coupling capacitors at the output by reducing the number of external components and saving space on the board. This can be a key advantage for some portable applications with limited space ...
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... HBM. The output has been considered with a particular attention with ESD structure able to sustain typically more than 2 kV HBM. Actually NCS2561 Figure 19. Linearity Test with two 150 W loads more than 4 kV has been measured on this specific output pin ...
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... BSC 0.026 BSC 0.10 0.20 0.30 0.004 0.008 0.012 2.00 2.10 2.20 0.078 0.082 0.086 0.65 0.025 0.65 0.025 mm ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCS2561/D ...