参数资料
型号: FMS9875KGC140
厂商: FAIRCHILD SEMICONDUCTOR CORP
元件分类: ADC
英文描述: 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
封装: MQFP-100
文件页数: 24/31页
文件大小: 517K
代理商: FMS9875KGC140
Product Folder - Fairchild P/N FMS9875x140 - 140MSPS and YPbPr Graphics Digitizer
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FMS9875x140
140MSPS and YPbPr Graphics Digitizer
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Contents
General description
As a fully integrated graphics interface, the
FMS9875 can digitize RGB or YPBPR video
signals at resolutions up to 1280 x 1024 with
75Hz refresh rate. Compatible video formats
include NTSC-601, PAL-601, SMPTE 293M,
SMPTE 296M and SMPTE 274M.
The ADC sampling clock can be derived from
either an external source or from incoming
horizontal sync using the internal PLL. Setup
and control is via registers accessible through
an SMBus/I2C compatible serial port.
Input amplitude range is 500-1000mV with
either DC or AC coupling. AC coupled inputs
can be clamped to programmable
midpoint/bottom levels or to external reference
levels using either internal or externally
generated clamp timing.
Common to the three channels are clamp
pulses, a bandgap reference voltage and clocks
derived from the HSYNC PLL or an external
clock source. Digital data output levels are 2.5-
3.3V CMOS compliant.
Power is derived from a single +3.3 Volt
power supply. Package is a low cost 100-lead
MQFP. Performance specifications are
guaranteed over 0°C to 70°C.
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Datasheet
file:///D|/fair/pdf/FMS9875x140.html (1 of 2) [10/3/02 2:57:41 PM]
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FMS9875KGC140X 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
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