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參數(shù)資料
| 型號(hào)： | THS8135PHPG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.015 us SETTLING TIME, 10-BIT DAC, PQFP48 |
| 封裝： | GREEN, PLASTIC, HTQFP-48 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 522K |
| 代理商： | THS8135PHPG4 |
THS8135
TRIPLE 10BIT, 240 MSPS VIDEO DAC WITH TRILEVEL SYNC AND VIDEO
(ITUR.BT601)COMPLIANT FULL SCALE RANGE
SLAS343A MAY 2001 REVISED JUNE 2002
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
features
D Triple 10-Bit D/A Converters
D 240-MSPS Operation
D YPbPr/RGB Configurable Blanking Levels,
Correctly Positioned for Either Full
(01023) or Video (ITUR.BT601) –
Compliant Input Code Ranges
D Generic Triple DAC Mode for Non-Video
Applications
D Direct Drive of Double-Terminated 75-
Load Into Standard Video Levels
D 3x10 Bit 4:4:4, 2x10 Bit 4:2:2 or 1x10 Bit
4:2:2 (ITUR.BT656) Multiplexed
YCbCr/GBR Input Data Formats
D Bi-Level (EIA) or Tri-Level (SMPTE) Sync
Generation
D Integrated Sync-On-Green/Luminance or
Sync-On-All Composite Sync Insertion
D Internal Voltage Reference
D Low-Power Operation From 3.3-V Analog
and 1.8-V Digital Suply Levels
applications
D High-Definition Television (HDTV) Set-Top
Boxes/Receivers/Displays
D High-Resolution Image Processing
description
The THS8135 is a general-purpose triple high-speed D/A converter optimized for use in video/graphics
applications. The device operates from 3.3-V analog and 1.8-V digital supplies. The THS8135 performance is
assured at a sampling rate up to 240 MSPS. The THS8135 consists of three 10-bit D/A converters and additional
circuitry for bi-level/tri-level sync and blanking level generation. By providing a dc offset for the lowest video
amplitude output in video DAC mode, the device can insert a (negative) bi-level or (negative/positive) tri-level
sync on either only the green/luminance (sync-on-green/sync-on-Y) channel or on all channels for video
applications. A generic DAC mode avoids this dc offset, making this device suitable for non-video applications
as well.
The THS8135 is a footprint-compatible functional upgrade to the THS8133. In addition, the THS8135 allows
a higher update rate for oversampled video digitizing for all PC graphics formats up to UXGA (1600x1200)
resolution at 85 Hz and all practical digital TV formats including HDTV. The support for oversampling
significantly reduces the complexity of the analog reconstruction filter required behind the DAC.
Standard video levels can be generated for the full 10-bit input code range. Alternatively, the same levels can
be reached from a reduced input code range compliant to the video sampling standard ITU-R.BT-601. In that
case, the full-scale range of the DAC is dependent on the RGB or YCbCr color space configuration of the device.
When configured for RGB operation, full video output swing is reached for input codes 64-940 on all channels.
When configured for YCbCr operation, code range 64-940 on Y and code range 64-960 on Cb and Cr channels
generate full output swing using internal amplitude scaling on these color components. The device provides
headroom to accommodate under-/over-shoot outside the ITU-R.BT601 range to allow the generation of
ITU-R.BT601 illegal colors or super-black / super-white levels.
A digital control input for insertion of a reference (blanking) level on the analog outputs is included. The
amplitude of the blanking level is configurable for either RGB or YPbPr component outputs and for full or reduced
input code ranges. The inserted sync output amplitude(s) always has the required 7:3 ratio to the full-scale video
amplitude.
The current-steering DACs can be directly terminated in resistive loads to produce voltage outputs. The device
provides a flexible configuration of maximum output current drive. The devices output drivers have been
specifically designed to produce standard video output levels when directly connected to a single-ended
double-terminated 75-
coaxial cable.
Copyright
2002, Texas Instruments Incorporated
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.
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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| THS8136 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:TRIPLE 10-BIT 180-MSPS GRAPHICS AND VIDEO DAC |
| THS8136IPHP | 功能描述:數(shù)字化視頻/模擬轉(zhuǎn)換器集成電路 Triple 10B 180MSPS Graphics & Video DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:3 輸出類型:Current 轉(zhuǎn)換速率:180 MSPs 分辨率:10 bit 接口類型:Parallel 電壓參考:Internal or External 積分非線性:- 2.5 LSB, 1.5 LSB 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:HTQFP 封裝:Tray |
| THS8136IPHPR | 功能描述:數(shù)字化視頻/模擬轉(zhuǎn)換器集成電路 Triple 10B 180MSPS Graphics & Video DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:3 輸出類型:Current 轉(zhuǎn)換速率:180 MSPs 分辨率:10 bit 接口類型:Parallel 電壓參考:Internal or External 積分非線性:- 2.5 LSB, 1.5 LSB 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:HTQFP 封裝:Tray |
| THS8136PHP | 功能描述:數(shù)字化視頻/模擬轉(zhuǎn)換器集成電路 Triple 10B 180MSPS Graphics & Video DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:3 輸出類型:Current 轉(zhuǎn)換速率:180 MSPs 分辨率:10 bit 接口類型:Parallel 電壓參考:Internal or External 積分非線性:- 2.5 LSB, 1.5 LSB 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:HTQFP 封裝:Tray |
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