tda8296 NXP Semiconductors, tda8296 Datasheet - Page 86

• Manufacturer Part Number: tda8296
• Description: Tda8296 Digital Global Standard Low If Demodulator For Analog Tv And Fm Radio
• Manufacturer: NXP Semiconductors

NXP Semiconductors
22. Figures
Fig 1.
Fig 2.
Fig 3.
Fig 4.
Fig 5.
Fig 6.
Fig 7.
Fig 8.
Fig 9.
Fig 10. Notch filter for adjacent sound carrier
Fig 11. Video low pass frequency response in
Fig 12. SSIF and FM radio band-pass filters
Fig 13. Video equalizer curves. . . . . . . . . . . . . . . . . . . . .36
Fig 14. TDA8296 SSIF characteristic versus C
Fig 15. TDA8296 AFC characteristic . . . . . . . . . . . . . . . .42
Fig 16. Internal low IF frequency response in front
Fig 17. Example for the programmable group delay
Fig 18. Example for the programmable video
Fig 19. Typical application of TDA8296 . . . . . . . . . . . . . .64
Fig 20. IF input application for interlacing TDA1827x . . .64
Fig 21. IF input application. . . . . . . . . . . . . . . . . . . . . . . .64
Fig 22. Main application diagram . . . . . . . . . . . . . . . . . . .65
Fig 23. 75 Ω load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Fig 24. High ohmic load . . . . . . . . . . . . . . . . . . . . . . . . . .66
Fig 25. Buffer application with 75 Ω load . . . . . . . . . . . . .67
Fig 26. PCB pattern using circuit diagrams
Fig 27. PCB pattern using circuit diagrams
Fig 28. TDA8296 calculated DAC characteristic . . . . . . .69
Fig 29. Internal CVBS signal in front of video DAC
Fig 30. Internal SSIF signal in front of sound DAC
Fig 31. Hardware reset operation . . . . . . . . . . . . . . . . . .71
Fig 32. Reference clock application . . . . . . . . . . . . . . . . .72
Fig 33. Oscillator application . . . . . . . . . . . . . . . . . . . . . .72
Fig 34. Boundary scan block diagram . . . . . . . . . . . . . . .75
Fig 35. Boundary scan timing diagram . . . . . . . . . . . . . .76
Fig 36. Package outline SOT618-1 (HVQFN40) . . . . . . .77
Fig 37. Temperature profiles for large and small
TDA8296
Product data sheet
Functional diagram of TDA8296 . . . . . . . . . . . . . .6
Pin configuration for HVQFN40 . . . . . . . . . . . . . . .7
I
Examples I
I
Example I
TDA8296 DTO_PC characteristic . . . . . . . . . . . .27
TDA8296 DTO_SC characteristic . . . . . . . . . . . .28
Video low-pass filters for sound carrier
suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
smooth roll off or low ripple mode . . . . . . . . . . . .30
(center frequency 5.5 MHz chosen). . . . . . . . . . .31
(refer to
75 Ω and 1 kΩ in parallel . . . . . . . . . . . . . . . . . . .40
of the VIF demodulator . . . . . . . . . . . . . . . . . . . .45
equalizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
equalizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
of
reference from XTAL . . . . . . . . . . . . . . . . . . . . . .67
of
and 16 MHz reference from master . . . . . . . . . . .68
(typical characteristic) . . . . . . . . . . . . . . . . . . . . .70
(typical characteristic, also dependent on
SSIF_LVL[7:0] at address 23h) . . . . . . . . . . . . . .70
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
2
2
C-bus Write mode . . . . . . . . . . . . . . . . . . . . . . .13
C-bus Read mode . . . . . . . . . . . . . . . . . . . . . . .14
Figure
Figure
Figure
20,
20,
2
C-bus Read mode . . . . . . . . . . . . . . .14
2
C-bus Write mode. . . . . . . . . . . . . . .13
Figure
Figure
23) typical values; termination
22,
22,
Figure 23
Figure 23
Digital global standard low IF demodulator for analog TV and FM radio
All information provided in this document is subject to legal disclaimers.
and 16 MHz
S
Rev. 1 — 3 March 2011
TDA8296
© NXP B.V. 2011. All rights reserved.
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