ch7028b Chrontel, ch7028b Datasheet - Page 3

• Manufacturer Part Number: ch7028b
• Description: Chrontel Ch7028b Sdtv Encoder
• Manufacturer: Chrontel

CHRONTEL
209-1000-001
1.0
2.0
3.0
4.0
5.0
1.1
1.2
2.1
2.2
3.1
3.2
3.3
3.4
3.5
2.1.1
2.1.2
2.1.3
2.1.4
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
Pin-out ................................................................................................................................................................5
Functional Description......................................................................................................................................11
Electrical Specifications ...................................................................................................................................16
Package Dimensions.........................................................................................................................................19
Revision History ...............................................................................................................................................21
Package Diagram ........................................................................................................................................5
Pin Description ...........................................................................................................................................7
Input Interface...........................................................................................................................................11
Chip Output ..............................................................................................................................................14
Absolute Maximum Ratings .....................................................................................................................16
Recommended Operating Conditions .......................................................................................................16
Electrical Characteristics ..........................................................................................................................17
Digital Inputs / Outputs.............................................................................................................................17
AC Specifications .....................................................................................................................................18
Overview..............................................................................................................................................11
Input Clock and Data Timing Diagram................................................................................................11
Input Data Voltage ...............................................................................................................................12
Input Data Format ................................................................................................................................12
TV Output ............................................................................................................................................14
Video DAC Output ..............................................................................................................................14
DAC Single/Double Termination ........................................................................................................14
TV Connection Detect .........................................................................................................................14
Picture Enhancement............................................................................................................................14
Color Sub-Carrier Generation ..............................................................................................................15
ITU-R BT.470 Compliance..................................................................................................................15
SDRAM Power Down .........................................................................................................................15
Test Pattern Select................................................................................................................................15
Rev. 1.1,
08/21/2008
Table of Contents
CH7028B
3