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TW2816 Schematic ( PDF Datasheet ) - Intersil

Teilenummer TW2816
Beschreibung 4 Channel Video Decoders
Hersteller Intersil
Logo Intersil Logo 




Gesamt 30 Seiten
TW2816 Datasheet, Funktion
NOT RECOMMENDED FOR NEW DESIGNS
Contact our Technical Support Center at
1-888-INTERSIL or www.intersil.com/tsc
TW2816
4 Channel Video Decoders
For Security Applications
Data Sheet
Information may change without notice.
.
January 31, 2011
FN7736.0
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.






TW2816 Datasheet, Funktion
Pin Diagram
76 SADD[1]
77 SADD[0]
78 VDDA
79 NC
80 VSSA
81 VSSA
82 NC
83 NC
84 NC
85 NC
86 VDDA
87 VDDA
88 VIN1
89 VSSA
90 VSSA
91 VIN2
92 VDDA
93 VDDA
94 VIN3
95 VSSA
96 VSSA
97 VIN4
98 VDDA
99 TEST
100 RSTB
TW2816
100TQFP(12x12)
VDDI
VD2[0]
VD2[1]
VSS
VD2[2]
VD2[3]
VSS
VD2[4]
VD2[5]
VD2[6]
VDDO
VD2[7]
MPP2
CLK54I
VDDI
CLKNO
CLKPO
VD3[0]
VSS
VD3[1]
VD3[2]
VSS
VD3[3]
VD3[4]
VDDI
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
Pin Description
Analog Video Interface Pins
Name
VIN1
VIN2
VIN3
VIN4
Number
88
91
94
97
Type
A
A
A
A
Description
Composite video input of channel 1.
Composite video input of channel 2.
Composite video input of channel 3.
Composite video input of channel 4.
6 FN7736.0
January 31, 2011

6 Page









TW2816 pdf, datenblatt
Color Decoding
Decimation Filter
The digitized composite video data at 2X pixel clock rate first passes through decimation filter. The
decimation filter is required to achieve optimum performance and prevent high frequency
components from being aliased back into the video image. Fig2 shows the characteristic of the
decimation filter.
0
-10
-20
-30
-40
-50
-60
0 2 4 6 8 10 12
Frequency (Hertz)
x 106
Fig2 The Characteristic of the Decimation Filter
12 FN7736.0
January 31, 2011

12 Page





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