bt865a Conexant Systems, Inc., bt865a Datasheet - Page 43

• Manufacturer Part Number: bt865a
• Description: Ycrcb To Ntsc/pal Digital Video Encoder
• Manufacturer: Conexant Systems, Inc.

Bt864A/Bt865A Data Sheet
Figure 1-24. C (Chrominance) Video Output Waveform SETUPDIS = 0
Table 1-10. C (Chrominance) Video Output Truth Table SETUPDIS = 0
100138C
02/17/03
Peak Chroma (High)
Burst (High)
Blank
Burst (Low)
Peak Chroma (Low)
GENERAL NOTE:
GENERAL NOTE:
1. Typical with 37.5
2. Bracketed values indicate expected values when using the internal color bars (100/7.5/75/7.5).
FOOTNOTE:
(1)
Typical with 37.5 Ω load, nominal RSET, and chroma on. SMPTE 170 M levels are assumed. 100% saturation color bars
(100/7.5/100/7.5) are shown.
7.5/100/7.5) are shown.
BLANK occurs by external BLANK* pin or internally generated BLANK.
Description
28.21
20.88
17.07
13.27
Ω
5.93
mA
load, nominal RSET, and chroma on. SMPTE 170 M levels are assumed. 100% saturation color bars (100/
1.058
0.783
0.640
0.498
0.222
V
28.21 [25.56]
20.88 [20.88]
17.07 [17.07]
13.27 [13.27]
5.93 [8.53]
Iout (mA)
20 IRE
20 IRE
Color Burst
(9 Cycles)
Conexant
DAC Data
856 [770]
629 [629]
512 [512]
395 [395]
168 [254]
Sync Interval
x
x
x
x
x
BLANK*
Circuit Description
Blank
Level
1
0
1
x
x
(1)
100138_025
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