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TDA8709A Datasheet, PDF (19/28 Pages) NXP Semiconductors – Video analog input interface | |||
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Philips Semiconductors
Video analog input interface
Product speciï¬cation
TDA8709A
handbook, full pagewidth
180 µH 180 µH
ANOUT
(pin 19)
Vi
680 â¦
6.8 pF
6.8 pF
22 pF
56 pF
VCCA
(pin 22)
2.2 kâ¦
22 pF
MSA683
ADCIN
(pin 20)
Vo
This filter can be adapted to various applications with respect to performance requirements. An input and output impedance of at least 680 ⦠and 2.2 kâ¦
must in any event be applied.
Fig.16 Example of a low-pass filter for U and V signals.
0
handboαok, halfpage
(dB)
20
MSA680
Characteristics of Fig.17
⢠Order 5; adapted CHEBYSHEV
⢠Ripple Ï â¤ 0.4 dB
⢠f = 2.3 MHz at â3 dB
⢠fnotch = 4.5 MHz.
40
60
80
100
0
10
20
30
f (MHz)
Fig.17 Frequency response for filter shown in
Fig.16.
June 1994
19
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