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参数资料
| 型号： | TLS1255N |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP28 |
| 文件页数： | 1/7页 |
| 文件大小： | 134K |
| 代理商： | TLS1255N |
TLS1255
VIDEO PREAMPLIFIER SYSTEM
WITH ONSCREEN DISPLAY (OSD) MIXER
SLVS142 DECEMBER 1996
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POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
D Wide Bandwidth ...Typ 100 MHz at 3 dB
D Color Saturation Control Features
D Digital Level Control (0 V to 4 V) for
Contrast, Color, and Brightness
D Mixer Function for OSD Applications
D Blanking Function for On-Screen Display
(OSD) Applications
D Fewer Peripheral Components Required
D Low-Impedance Output Driver
description
The TLS1255 is a wide-band video preamplifier
system intended for high-resolution red-green-blue
(RGB) color monitors with color-saturation control
features. The saturation of a color refers to the
degree of chroma or purity, or the degree of
freedom from admixture with white. In addition to
the RGB preamplifier function, the TLS1255 provides color-saturation control and gain control at the video
system outputs. Each video amplifier (R, G, and B) contains a gain set for adjusting maximum system gain
(AV = 6 dB). The TLS1255 provides a digital level-operated contrast, brightness, color, and gain adjustment. The
video-output stages from TLS1255 directly drive CRT power amplifiers.
The system has been designed to operate from a 12-V supply with all digital level controls operating over a
0-V to 4-V range to make the interface to serial digital buses possible. The TLS1255 also contains a blanking
circuit that clamps the video output voltage to within 0.2 V of ground. The mixer circuit required for the OSD
application is also integrated into the TLS1255, which makes the design of video boards and other applications
easier.
The TLS1255 is characterized for operation from 0
°C to 70°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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R_OSD_IN
G_OSD_IN
B_OSD_IN
R_VIDEO_IN
R_CLAMP_CAP
G_VIDEO_IN
GND
G_CLAMP_CAP
B_VIDEO_IN
B_CLAMP_CAP
VCC1
CONTRAST
COLOR
CLAMP_GATE
OSD_ADJUST
R_GAIN_ADJUST
R_CLAMP(+)
R_VIDEO_OUT
G_GAIN_ADJUST
VCC2
G_VIDEO_OUT
G_CLAMP(+)
B_VIDEO_OUT
B_GAIN_ADJUST
GND
BLANKING
OSD_BLANKING
B_CLAMP(+)
N PACKAGE
(TOP VIEW)
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
1996, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLS127K015C1B | 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Wet 120uF 15V 10% (7.92 X 20.22mm) Axial 4.1 Ohm 125°C |
| TLS127M015C1B | 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Wet 120uF 15V 20% (7.92 X 20.22mm) Axial 4.1 Ohm 125°C |
| TLS128K006C1F | 制造商:Cornell Dubilier Electronics 功能描述:Cap Tant Wet 1200uF 6V 10% (10.31 X 30.91mm) Axial 1.6 Ohm 125°C |
| TLS128M006C1F | 制造商:CORNELL DUBILIER ELECTRONICS 功能描述:Cap Tant Wet 1200uF 6V 20% (10.31 X 30.91mm) Axial |
| TLS146K125C1B | 制造商:CORNELL DUBILIER ELECTRONICS 功能描述:Cap Tant Wet 14uF 125V 10% (7.92 X 20.22mm) Axial |
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