THS8134

更新时间： 2024-11-18 22:49:51

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
24页	347K
描述
TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION

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THS8134 数据手册

THS8134, THS8134A, THS8134B

TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER

WITH TRI-LEVEL SYNC GENERATION

SLVS205D – MAY 1999 – REVISED MARCH 2000

features

TQFP-48 PowerPAD PACKAGE

(TOP VIEW)

Triple 8-Bit D/A Converters

Minimum 80 MSPS Operation

Direct Drive of Doubly-Terminated 75-Ω

Load Into Standard Video Levels

48 47 46 45 44 43 42 41 40 39 38 37

3×8 Bit 4:4:4, 2×8 Bit 4:2:2 or 1×8 Bit 4:2:2

(ITU-BT.656) Multiplexed YPbPr/GBR Input

Modes

BPb7

BPb6

BPb5

BPb4

BPb3

BPb2

BPb1

BPb0

GY0

GY1

GY2

GY3

GY4

GY5

GY6

GY7

CLK

SYNC_T

Bi-Level (EIA) or Tri-Level (SMPTE) Sync

Generation With 7:3 Video/Sync Ratio

Integrated Insertion of Sync-On-Green/

Luminance or Sync-On-All Channels

Configurable Blanking Level

Internal Voltage Reference

NC 10

applications

High-Definition Television (HDTV) Set-Top

Boxes/Receivers

13 14 15 16 17 18 19 20 21 22 23 24

High-Resolution Image Processing

Desktop Publishing

Direct Digital Synthesis/I-Q Modulation

See ALSO: THS8133 (10 bit, pin-compatible)

description

The THS8134 is a general-purpose triple high-speed D/A converter (DAC) optimized for use in video/graphics

applications. The device operates from a 5-V analog supply and a 3-V to 5-V range digital supply. The THS8134

has a sampling rate up to 80 MSPS. The device consists of three 8-bit D/A converters and additional circuitry

for bi-level/tri-level sync and blanking level generation in video applications.

THS8134 is also well-suited in applications where multiple well-matched and synchronously operating DACs

are needed; for example, I-Q modulation and direct-digital synthesis in communications equipment.

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. Its output drivers are specifically designed

to produce standard video output levels when directly connected to a single-ended doubly-terminated 75 Ω

coaxial cable. Full-scale video/sync is generated in a 7:3 ratio, compliant with SMPTE standards for GBR and

YPbPr signals.

Furthermore, the THS8134 can generate both a traditional bi-level sync or a tri-level sync signal, as per the

SMPTE standards, via a digital control interface. The sync signal is inserted on one of the analog output

channels (sync-on-green/luminance) or on all output channels. Also, a blanking control signal sets the outputs

to defined levels during the nonactive video window.

The position of this defined (blanking) level and the temperature range, over which the maximum imbalance

between the inserted analog syncs (K

device versions. Refer to the Available Options table.

), are the only differences between the unrev, revA, and revB

IMBAL(SYNC)

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.

PowerPAD is a trademark of Texas Instruments.

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...24

中文翻译

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与THS8134相关器件

型号	品牌	获取价格	描述	数据表
THS8134A	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134ACPHP	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134ATQFP	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134B	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134BCPHP	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134BTQFP	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134CPHP	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134TQFP	TI	获取价格	TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8135	TI	获取价格	TRIPLE 10-BIT, 240 MSPS VIDEO DAC WITH TRI-LEVEL SYNC AND VIDEO (ITU-R.BT601) COMPLIANT FU
THS8135-80CPHP	TI	获取价格	PARALLEL, WORD INPUT LOADING, 10-BIT DAC, PQFP48, POWER, TQFP-48

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