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參數資料
型號： THS7365IPWR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 6 CHANNEL, VIDEO AMPLIFIER, PDSO20
封裝： PLASTIC, TSSOP-20
文件頁數： 27/52頁
文件大?。?/td> 1599K
代理商： THS7365IPWR
TYPICAL CONFIGURATION AND VIDEO
75 W
S-VideoY'Out
CVBS
R
SOC/DAC/Encoder
S-Video Y’
R
S-Video C’
R
Y'/G'
R
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SD1OUT
SD2OUT
SD3OUT
DisableSD
GND
DisableHD
HD1OUT
HD2OUT
HD3OUT
BypassHD
SD1IN
SD2IN
SD3IN
NC
V
S+
NC
HD1IN
HD2IN
HD3IN
BypassSD
THS7365
Bypass
SDLPF
Bypass
HDLPF
P' /B'
B
R
CVBS
P' /R'
R
75 W
S-VideoC'Out
75 W
Y'/G'Out
75 W
P' /B'Out
B
75 W
P' /R'Out
R
75 W
+2.7Vto
+5V
DisableHD
DisableSD
www.ti.com.................................................................................................................................................................................................. SBOS467 – MARCH 2009
the definition of luminance as stipulated by the
TERMINOLOGY
departs from true luminance because a nonlinear
A typical application circuit using the THS7365 as a
term, gamma, is added to the true RGB signals to
video buffer is shown in Figure 116. It shows a DAC
form R’G’B’ signals. These R’G’B’ signals are then
or
encoder
driving
the
input
channels
of
the
used to mathematically create luma (Y’). Thus,
THS7365. One channel is a CVBS connection while
luminance
(Y)
is
not
maintained,
providing
a
two other channels are for the S-Video Y’/C’ signals
difference in terminology.
of an SD video system. These signals can be NTSC,
PAL, or SECAM signals. The other three channels
This rationale is also used for the chroma (C’) term.
are the component video Y’/P’B/P’R (sometimes
Chroma is derived from the nonlinear R’G’B’ terms
labeled
Y’U’V’
or
incorrectly
labeled
Y’/C’B/C’R)
and, thus, it is nonlinear. Chominance (C) is derived
signals. These signals are typically 720p, 1080i, or up
from linear RGB, giving the difference between
to 1080p30 signals. If the video DAC / SOC samples
chroma
(C’)
and
chrominance
(C).
The
color
at greater than 74.25 MHz, then 480i/576i or
difference signals (P’B/P’R/U’/V’) are also referenced
480p/576p
signals
are
also
supported
while
in this manner to denote the nonlinear (gamma
effectively minimizing DAC images. Because the
corrected) signals.
filters can be bypassed, other formats such as
1080p60 (also known as Full-HD or True-HD) and
R'G'B' video up to UWXGA can also be supported
with the THS7365.
Note that the Y’ term is used for the luma channels
throughout this document rather than the more
common luminance (Y) term. This usage accounts for
Figure 116. Typical Six-Channel System Inputs from DC-Coupled Encoder/DAC with DC-Coupled Line
Driving
Copyright 2009, Texas Instruments Incorporated
33
Product Folder Link(s): THS7365
相關PDF資料
PDF描述
THS7365IPW 6 CHANNEL, VIDEO AMPLIFIER, PDSO20
THS7368IPWR 6 CHANNEL, VIDEO AMPLIFIER, PDSO20
THS7368IPW 6 CHANNEL, VIDEO AMPLIFIER, PDSO20
THS7372IPWR 4 CHANNEL, VIDEO AMPLIFIER, PDSO14
THS7372IPW 4 CHANNEL, VIDEO AMPLIFIER, PDSO14
相關代理商/技術參數
參數描述
THS7368 制造商:TI 制造商全稱:Texas Instruments 功能描述:6-Channel Video Amplifier with 3-SD and 3-SD/ED/HD/Full-HD Filters and 6-dB Gain
THS7368EVM 功能描述:放大器 IC 開發工具 THS7368EVM Eval Mod RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
THS7368IPW 功能描述:視頻放大器 6-Ch Video Amp RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel
THS7368IPW 制造商:Texas Instruments 功能描述:Video Amplifier IC 制造商:Texas Instruments 功能描述:IC, VIDEO AMPLIFIER, HEX, 350MHZ TSSOP20
THS7368IPWR 功能描述:視頻放大器 6-Ch Video Amp RoHS:否 制造商:ON Semiconductor 通道數量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel
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