Datasheet > FMS3120KRC

FMS3120KRC

更新时间： 2024-11-08 23:52:27

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
12页	178K
描述
Video DAC without Color Palette

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中文翻译

获取价格

数据手册

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FMS3120KRC 数据手册

www.fairchildsemi.com

FMS3110/3115/3120/3125

Triple Video D/A Converters

3 x 10 bit, 250 Ms/s

Features

Description

• 10-bit resolution

• 250 megapixels per second

• ± 0.1% linearity error

FMS3110/3115/3120/3125 products are low-cost triple D/A

converters that are tailored to ﬁt graphics and video applica-

tions where speed is critical. Four speed grades are available:

• Sync and blank controls

FMS3110

FMS3115

FMS3120

FMS3125

100 Ms/s

150 Ms/s

200 Ms/s

250 Ms/s

• 1.0V p-p video into 37.5Ω or 75Ω load

• Internal bandgap voltage reference

• Double-buffered data for low distortion

• TTL-compatible inputs

• Low glitch energy

• Single +5 Volt power supply

TTL-level inputs are converted to analog current outputs that

can drive 25–37.5Ω loads corresponding to doubly-terminated

50–75Ω loads. A sync current following SYNC input timing

Applications

is added to the I

output. BLANK will override RGB

• Video signal conversion

– RGB

inputs, setting I , I and I currents to zero when

OG OB OR

BLANK = L. Although appropriate for many applications

the internal 1.235V reference voltage can be overridden by

– YC C

B R

– Composite, Y, C

the V

input.

REF

• Multimedia systems

• Image processing

Few external components are required, just the current refer-

ence resistor, current output load resistors, and decoupling

capacitors.

• True-color graphics systems (1 billion colors)

• Broadcast television equipment

• High-Deﬁnition Television (HDTV) equipment

• Direct digital synthesis

Package is a 48-lead LQFP. Fabrication technology is

CMOS. Performance is guaranteed from 0 to 70°C.

Block Diagram

SYNC

BLANK

10 bit D/A

9-0

Converter

10 bit D/A

Converter

9-0

10 bit D/A

Converter

9-0

CLOCK

COMP

REF

+1.235V

Ref

Rev. 1.03 9/19/00

12 3 4 5 6 7...12

中文翻译

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