tda8709a NXP Semiconductors, tda8709a Datasheet - Page 18

• 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.15 Frequency response for filter shown in
10
20
30
40
0
0
Fig.14.
10
Fig.14 Example of an economical low-pass filter for RGB and C signals.
ADOUT
(pin 19)
20
f (MHz)
V i
MSA681
680
30
15 pF
(pin 22)
82 H
V CCA
18
Characteristics of Fig.15
Order 3; adapted CHEBYSHEV
Ripple
f = 6.5 MHz at
15 pF
2.2 k
MSA678
0.4 dB
V o
3 dB.
(pin 20)
ADCIN
Product specification
TDA8709A
and 2.2 k