tda8708a NXP Semiconductors, tda8708a Datasheet - Page 17

• Manufacturer Part Number: tda8708a
• Description: Video Analog Input Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
June 1994
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.14 Frequency response for filter shown in
120
160
40
80
0
0
Fig.13.
10
ANOUT
(pin 19)
Fig.13 Example of a low-pass filter for CVBS and Y signals.
V i
20
680
f (MHz)
MSA682
27 pF
12 pF
30
22 H
68 pF
(pin 22)
V CCA
12 pF
17
22 H
Characteristics of Fig. 13
Order 5; adapted CHEBYSHEV
Ripple
f = 6.5 MHz at
f
notch
27 pF
MBB966 - 1
2.2 k
= 9.75 MHz.
0.4 dB
V o
3 dB
(pin 20)
ADCIN
Product specification
TDA8708A
and 2.2 k