Datasheet > TMC2490A

TMC2490A

更新时间： 2024-09-24 06:02:31

品牌	Logo	应用领域
CADEKA		编码器
页数	文件大小	规格书
36页	596K
描述
Multistandard Digital Video Encoder

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中文翻译

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TMC2490A 数据手册

www.cadeka.com

TMC2490A

Multistandard Digital Video Encoder

Features

Applications

• All-digital video encoding

• Set-top digital cable television receivers

• Set-top digital satellite television receivers

• Studio parallel CCIR-601 to analog conversion

• Internal digital subcarrier synthesizer

• 8-bit parallel CCIR-601/CCIR-656/ANSI/SMPTE

125M input format

• CCIR-624/SMPTE-170M compliant output

• Switchable chrominance bandwidth

• Switchable pedestal with gain compensation

• Pre-programmed horizontal and vertical timing

• 13.5 Mpps pixel rate

• Master or slave (CCIR656) operation

• MPEG interface

• Internal interpolation ﬁlters simplify output

reconstruction ﬁlters

• 10-bit D/A converters for video reconstruction

• Supports NTSC and PAL standards

• Closed-caption waveform insertion

• Simultaneous S-Video (Y/C) output

• Controlled edge rates

Description

The TMC2490A video encoder converts digital component

video (in 8-bit parallel CCIR-601/656 or ANSI/SMPTE

125M format) into a standard analog baseband television

(NTSC, NTSC-EIA, and all PAL standards) signal with a

modulated color subcarrier. Both composite (single lead) and

S-Video (separate chroma and luma) formats are active

simultaneously at all three analog outputs. Each video output

generates a standard video signal capable of driving a singly-

or doubly-terminated 75 Ohm load.

The TMC2490A is intended for all non-Macrovision

encoder applications.

• Single +5V power supply

• 44 lead PLCC package

• Parallel and serial control interface

The TMC2490A is fabricated in a submicron CMOS

process and is packaged in a 44-lead PLCC. Performance is

guaranteed over the full 0°C to 70°C operating temperature

range.

Block Diagram

LPF

B-Y

PIXEL DATA

DEMUX AND

SYNC

INTERPOLATOR

4:2:2 TO 4:4:4

CHROMA

MODULATOR

10-BIT

D/A

CHROMA

LUMA

7-0

R-Y

INTER-

POLATION

FILTER

EXTRACT

PXCK

10-BIT

D/A

SUBCARRIER

SYNTHESIZER

DIGITAL

SYNC AND

BLANK

HSYNC

VSYNC, B/T

SELC

10-BIT

D/A

COMPOSITE

GENERATOR

INTER-

POLATION

FILTER

PDC/CBSEL

REF

GLOBAL

CONTROL

SERIAL/PARALLEL CONTROL

REF

BYP

REF

SERIAL

PARALLEL

SDA SCL

SER RESET

7-0

65-2490(1)A-01

ADR R/W CS

REV. 1.0.2 2/27/02

12 3 4 5 6 7...36

中文翻译

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与TMC2490A相关器件

型号	品牌	获取价格	描述	数据表
TMC2490AR2C	FAIRCHILD	获取价格	Multistandard Digital Video Encoder
TMC2490AR2C	CADEKA	获取价格	Multistandard Digital Video Encoder
TMC2490AR2C	RAYTHEON	获取价格	Color Signal Encoder, CMOS, PQCC44, PLASTIC, LCC-44
TMC2490R2C	RAYTHEON	获取价格	Color Signal Encoder, CMOS, PQCC44, PLASTIC, LCC-44
TMC2490R2C	ROCHESTER	获取价格	Color Signal Encoder
TMC2490R2C	FAIRCHILD	获取价格	Color Signal Encoder, CMOS, PQCC44,
TMC2491AR2C	RAYTHEON	获取价格	Color Signal Encoder, CMOS, PQCC44, PLASTIC, LCC-44
TMC2491AR2C	FAIRCHILD	获取价格	Color Signal Encoder, CMOS, PQCC44, PLASTIC, LCC-44
TMC2491R2C	FAIRCHILD	获取价格	Color Signal Encoder, PQCC44, PLASTIC, LCC-44
TMC2493R2C	FAIRCHILD	获取价格	Color Signal Encoder, CMOS, PQCC44, PLASTIC, LCC-44

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