tda8709a NXP Semiconductors, tda8709a Datasheet - Page 19

• Manufacturer Part Number: tda8709a
• Description: Video Analog Input Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
June 1994
handbook, full pagewidth
handbook, halfpage
Video analog input interface
This filter can be adapted to various applications with respect to performance requirements. An input and output impedance of at least 680
must in any event be applied.
(dB)
Fig.17 Frequency response for filter shown in
100
20
40
60
80
0
0
Fig.16.
10
ANOUT
(pin 19)
Fig.16 Example of a low-pass filter for U and V signals.
V i
20
680
f (MHz)
MSA680
22 pF
30
6.8 pF
180 H
56 pF
(pin 22)
19
V CCA
6.8 pF
180 H
Characteristics of Fig.17
Order 5; adapted CHEBYSHEV
Ripple
f = 2.3 MHz at
f
notch
22 pF
= 4.5 MHz.
2.2 k
MSA683
0.4 dB
3 dB
V o
(pin 20)
ADCIN
Product specification
TDA8709A
and 2.2 k