mc44c402 Freescale Semiconductor, Inc, mc44c402 Datasheet
mc44c402
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mc44c402 Summary of contents
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... VCRs, DVD players/recorders, game stations, and other applications that are required to output high-quality stereo sound through a single RF coaxial cable. The digital audio processing used in the MC44C402 preserves the full fidelity of surround sound and other audio coding schemes while ensuring overall system performance is not impacted by copy protection technologies. ...
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... VAGO 3 ADCVSS 8 CVBS 1 Sync Separator SSVDD 31 Sync SSVSS 32 Separator Ref MC44C402 2 MC44C402 4 MHz Clock Generator SD ADC SD ADC CEX™ Audio Processor Figure 1. MC44C402 Block Diagram 22 CLK4MHZ OVDD DAC OVSS 16 DVSS 26 25 OVDD 24 DVSS 21 DVDD 20 DVSS 19 DVSS 18 DVSS 23 PILOT 17 VID_PRES ...
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... VINR PIN 1 VAGO Freescale VREFP MC44C402 VREFM VAGO ADCVDD 17 9 ADCVSS Figure 2. MC44C402 32LQFP Package 9 Left channel input 4 ADC Voltage Ref. Bypass plus Analog virtual ground 5 ADC Voltage Ref. Bypass minus 2 Right channel input 1 Composite video input to sync separator Composite Audio output Video present flag video, hi-z = video present 15 ...
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... ADC Supply Current Sync. Separator Supply Current CLK4MHZ, Clock Output @ I = 0.6 mA ADC Voltage Ref. Bypass plus ADC Voltage Ref. Bypass minus ADC Voltage Ref. Ground CLK4MHZ, Clock Output @ Unless other wise noted 1.8 + 0.18 Vdc MC44C402 4 ELECTRICAL SPECIFICATIONS Symbol Min DV –0 –0.3 ...
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... Vdc, GND = 0 Vdc, -40 < 100 200 500 Figure 3. Stereo Separation 50 100 200 500 Figure 4. Amplitude Response Typ Max Units 75 kΩ 1 0.1 0.3 14500 < 85° 10k + -10 - -25 A -30 -35 -40 -45 -50 5k 10k MC44C402 ...
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... DESIGN CONSIDERATIONS When developing application using the MC44C402 Stereo Encoder, the user can significantly improve the performance by following the suggestions below: 1. Disable the pre-emphasis on the modulator 2. There must be a 4.5 MHz notch in the video because Video spectra that fall into the 4.5 MHz range will severely impact the audio performance ...
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... PILOT 17 VID_PRES 15 CA MC44C402 500 22 CLK4MHZ 750 24MHz 2M 18p 18p Murata TPSRA4M50B00-B0 2.2K Figure 7. MC44C402 Typical Application Circuit +5V µ µ .01 .022 14 PLLFLT Note 1 µ 560 µ AUDIO 2200p 2.2K 1000p 12 TVOUT MC44BS373CA 1000p Modulator 4 XTAL 8 SPFLT 1500p µ ...
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... No Audio Pre-emphasis Composite Video Precision Demoodulator Demodulator / MTS Decoder Calibrat ion TEK 1450-1 25KHz deviation Check = 1 0396 Hz Wide Band @25KHz deviation gives bessel nul l and Output Ref Level on SRD-1 44C402 Level Setup Figure 8. MC44C402 Level Setup Figure 8 Composite Video Freescale Semiconductor for ...
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... Freescale Semiconductor PACKAGE DATA Figure 9. 32QLFP Package Mechanical Data PAGE MC44C402 9 ...
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... Figure 9. 32QLFP Package Mechanical Data (continued) MC44C402 10 PACKAGE DATA PAGE Freescale Semiconductor ...
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... Figure 9. 32QLFP Package Mechanical Data (continued) Freescale Semiconductor PACKAGE DATA PAGE MC44C402 11 ...
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... Freescale Semiconductor Literature Distribution Center P.O. Box 5405 Denver, Colorado 80217 1-800-441-2447 or 303-675-2140 Fax: 303-675-2150 LDCForFreescaleSemiconductor@hibbertgroup.com MC44C402 Rev. 1 06/2005 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products. There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document ...