Datasheet

0.700 V/1.305 V
0.000 V/0.000 V
1023
0
Analog Output
Codes Input to DACs
THS8200
SLES032D –JUNE 2002–REVISED JUNE 2013 www.ti.com
The following sections described some of the analog component video output formats that can be
generated from THS8200.
4.8.1 RGB Output Without Sync Signal Insertion/General-Purpose Application DAC
In this mode, no sync signal is inserted on any of the analog outputs. HS_OUT and VS_OUT signals are
generated for output video synchronization. This mode is commonly used in computer graphics video
output.
Two levels of full-scale output can be selected by software. For video applications, the nominal voltage
levels are 0.7 V and 1.305 V.
For component video applications, the nominal voltage level is 0.7 V; 1.305 V is used in NTSC/PAL
composite video display. For composite video applications, the digital video stream must be encoded in an
external digital NTSC/PAL encoder. The THS8200 only converts the digital composite signal to analog
composite video. Figure 4-39 illustrates analog outputs without sync insertion.
When the THS8200 is programmed in this mode, it can also be used as a general-purpose DAC due to
the linear response to the DAC input codes. Optionally, the CSM block can be bypassed to avoid any
processing on the device input codes.
Figure 4-39. RGB Without Sync Insertion or Composite Video Output
52 Detailed Functional Description Copyright © 2002–2013, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: THS8200