ML6421CS-3 Micro Linear, ML6421CS-3 Datasheet
ML6421CS-3
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ML6421CS-3 Summary of contents
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GENERAL DESCRIPTION The ML6421 monolithic BiCMOS 6th-order filter provides fixed frequency low pass filtering for video applications. This triple phase-equalized filter with Sinx/x correction is designed for reconstruction filtering at the output of a Video DAC. Cut-off frequencies are either ...
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ML6421 PIN CONFIGURATION PIN DESCRIPTION PIN NAME FUNCTION 1 GNDB Ground pin for filter Signal input to filter C. Input IN impedance GND Power and logic ground. 4 GNDC Ground pin for ...
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ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Supply Voltage (V ) ....................... –5.5MHz0.3 to +7V CC ...
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ML6421 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER GENERAL (Continued) Output Current C Load Capacitance L Composite Chroma /Luma delay 5.50MHZ FILTER (ML6421-1, -5) Bandwidth (monotonic passband) Subcarrier Frequency Gain ML6421-1 Attenuation Output Noise Group Delay 8.0MHZ FILTER Bandwidth (monotonic passband) Subcarrier Frequency ...
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ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER 3.0MHZ FILTER Bandwidth (monotonic passband) Attenuation Output Noise Bandwidth (monotonic passband) Attenuation f = 60MHz IN Output Noise DIGITAL AND DC V Logic Input Low IL V Logic Input High IH I Logic Input Low IL ...
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ML6421 10 0 –10 –20 –30 –30 –40 –50 –60 –70 –80 –90 100K 1M FREQUENCY (Hz) Figure 1. Stop-Band Amplitude vs Frequency (f = 5.5MHz –10 –20 –30 –30 –40 –50 –60 –70 –80 –90 100K ...
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ML6421 ML6420-7 –1 –2 –3 –4 –5 –6 –7 –8 100K 1M FREQUENCY (Hz) Figure 5. Pass-Band Amplitude vs Frequency (f = 9.3MHz). C 140 ML6421-7 130 ML6421-3 120 110 100 ...
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ML6421 FUNCTIONAL DESCRIPTION The ML6421 single-chip Triple Video Filter IC is intended for consumer and low cost professional video applications. Each of the three channels incorporates an input buffer amplifier, a sixth order lowpass filter, a first order allpass equalizer, ...
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LAYOUT CONSIDERATIONS In order to obtain full performance from these triple filters, layout is very important. Good high frequency decoupling is required between each power supply and ground. Otherwise, oscillations and/or excessive crosstalk may occur. A ground plane is recommended. ...
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ML6421 ML6421 VIDEO LOW PASS FILTER due to discrete sampling. The fall-off follows a sinx/x response. The ML6421 filters have a complementary boost to provide a flatter overall response. The boost is designed for 13.5MHz Y/C and CV sampling and ...
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Figure 13. ML6421 Reconstruction Performance in the Time Domain Figure 14. Amplitude Ripple of Reconstructed Swept Pulses ML6421 11 ...
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ML6421 PHYSICAL DIMENSIONS 0.400 - 0.414 (10.16 - 10.52) 16 PIN 0.024 - 0.034 (0.61 - 0.86) (4 PLACES) 0.012 - 0.020 0.090 - 0.094 (0.30 - 0.51) (2.28 - 2.39) 12 Package: S16W 16-Pin Wide SOIC ...
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... ORDERING INFORMATION PART NUMBER ML6421CS-1 ML6421CS-3 ML6421CS-4 ML6421CS-5 ML6421CS-7 © Micro Linear 1999. property of their respective owners. Products described herein may be covered by one or more of the following U.S. patents: 4,897,611; 4,964,026; 5,027,116; 5,281,862; 5,283,483; 5,418,502; 5,508,570; 5,510,727; 5,523,940; 5,546,017; 5,559,470; 5,565,761; 5,592,128; 5,594,376; 5,652,479; 5,661,427; 5,663,874; 5,672,959; 5,689,167; 5,714,897; 5,717,798; 5,742,151; ...