tda4472-msd ATMEL Corporation, tda4472-msd Datasheet
tda4472-msd
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tda4472-msd Summary of contents
Page 1
... AFC curve is switchable D VIF-AGC with peak sync. detection D Tuner AGC with adjustable take over point Ordering Information Extended Type Number TDA4472-MSD TDA4472-MFLG3 Rev. A2, 04-Dec-98 video IF signals with negative modulation (e.g., B/G standard), and the FM/NICAM sound IF signals. D Alignment-free quasi parallel sound (QPS) mixer for ...
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... TDA4472 Block Diagram Offset comp. (optional) 26 Ï Ï FPL L VIF amp 6 Ï VIF Ï Ï AGC 8 AGC Ï (VIF) 11 Ï Tuner Tuner Ï Ï 10 AGC Take over point 27 Ï 28 SIF 2 Ï 3 Input switch Ï Ï 1 Ï Ï Ï SIF 1 2 Ï ...
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... The video IF signal, which is applied from the gain controlled IF amplifier, is multiplied with the inphase component of the VCO signal. The video demodulator is Rev. A2, 04-Dec-98 TDA4472 designed for low distortion and large bandwidth. The demodulator output signal passes an integrated low pass filter for attenuation of the residual vision carrier and is fed to the video amplifier ...
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... TDA4472 Pin Description i,SIF1 i,SIF1 GND AGC i,VIF i,VIF AGC 9 20 GND top tun o,vid 8835 Figure 2. Pinning 4 (14) Pin Symbol V i,SIF2 SIF1 ...
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... Equivalent to discharging a 200 pF capacitor trough a 0 Operating Range Parameters Supply voltage range Pin 23 SDIP28 package SO28 package Ambient temperature Thermal Resistance Parameters Junction ambient, when soldered to PCB SDIP28 package SO28 package Rev. A2, 04-Dec-98 TDA4472 Symbol Value 840 ...
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... TDA4472 Electrical Characteristics +25 C; reference point Pin 4 (9, 16), unless otherwise specified S amb Parameters DC-supply Supply voltage – SDIP28 – SO28 Supply current VIF-input Input sensitivity, (RMS value) For FPLL locked Input impedance See note 1 Input capacitance See note 1 VIF-AGC ...
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... AFC Pin Pin 1-2, 27- Pin AGC Pin 24 see note out = out = 10 mV kHz; S/N S/N S/N RR Pin 3 TDA4472 Min. Typ. Max. Unit 2 deg 400 mV 600 0.7 A/kHz 0.25 0.6 % –0.4 ...
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... TDA4472 Parameters Control voltage: – input 1 active See note 9 – input 2 active Switching current Notes 1.) This parameter is given as an application information and not tested during production. 2.) In VCR mode the VIF- and SIF path is switched off. 3.) Adjustment of turn over point (delayed tuner AGC) with external resistor R 4 ...
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V SAW SIF 2 D U4744B SAW 1 SIF 1 SAW driver B/G SAW: VIF Intercarrier (FM/NICAM) AFC ...
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... TDA4472 Internal Pin Configuration 8521 Figure 5. Sound IF inputs (Pin 1-2, 27-28) 3 8522 Figure 6. Input selector switch (Pin 3) 5 Figure 7. SIF-AGC time constant (Pin 5) 10 (14 4.2 V Figure 8. Video IF input (Pin 6-7) 8 Figure 9. VIF-AGC time constant (Pin 8) ...
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... Figure 11. Tuner AGC – output (Pin 11) 2 8528 Figure 12. Video output (Pin 12) 3.5 V Figure 13. Internal reference voltage (Pin 17) Rev. A2, 04-Dec-98 Figure 14. Loop filter (Pin 18 8533 Figure 15. AFC switch (Pin 19 8534 94 8531 Figure 16. VCO (Pin 20-21) TDA4472 2. 8532 3 (14) ...
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... TDA4472 94 8535 Figure 17. AFC output (Pin 22) W 100 8536 Figure 18. Intercarrier output (Pin 24) 12 (14) 3 8538 Figure 19. VCO offset compensation (Pin 26) Rev. A2, 04-Dec-98 ...
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... Dimensions in mm Package SDIP28 27.5 Dimensions in mm 27.1 23.114 1 Package SO28 Dimensions in mm 18.05 17.80 0.4 1.27 16. Rev. A2, 04-Dec-98 TDA4472 4.8 4.2 0.9 3.3 0.53 0.43 1.778 technical drawings according to DIN specifications 2.35 0.25 0.10 10.50 10.20 15 technical drawings according to DIN specifications 14 10.26 10.06 8.7 8.5 0.35 0.25 12.2 11.0 13044 9.15 8.65 7.5 7.3 0.25 13033 13 (14) ...
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... TDA4472 Ozone Depleting Substances Policy Statement It is the policy of TEMIC Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment ...