參數(shù)資料
型號(hào)： FMS9875KGC100
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： ADC
英文描述： 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
封裝： MQFP-100
文件頁(yè)數(shù)： 1/31頁(yè)
文件大小： 517K
代理商： FMS9875KGC100
www.fairchildsemi.com
REV. 1.2.15 1/14/02
Features
108/140 Ms/s conversion rate
RGB and YPBPR clamps
444 and 422 output timing
Adjustable Gain and offset
Internal Reference Voltage
I2C/SMBus compatible Serial Port
100-pin package
Applications
YPBPR Digitizers
Projectors
TV sets
Description
As a fully integrated graphics interface, the FMS9875 can
digitize RGB or YPBPR video signals at resolutions up to
1280 x 1024 with 75 Hz 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 program-
mable 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 specications are
guaranteed over 0°C to 70°C.
Product Number
Speed
FMS9875KAC100
108 Ms/s
FMS9875KAC140
140 Ms/s
Block Diagram
Bottom
Clamp
A/D
Gain &
Offset
Bottom/
Midpoint
Clamp
Bottom/
Midpoint
Clamp
Gain &
Offset
Gain &
Offset
444/422
DGY7-0
DBP7-0
DRP7-0
GYIN
GYREF
BPIN
BPREF
RPIN
RPREF
SYNC
Stripper
Timing
Generator
ACSIN
DCSOUT
DCK
HSOUT
VREFIN
VREFOUT
Reference
ICLAMP
SCK
A0
A1
Control
SDA
SCL
PWRDN
PLL
HSIN
COAST
XCK
LPF
PXCK
HS
INVSCK
CLAMP
FMS9875
GBR YPBPR Graphics Digitizer
Triple 8-Bit, 108/140 MHz A/D Converter with Clamps and PLL
相關(guān)PDF資料
PDF描述
FMS9875KGC100X 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
FMS9875KGC140 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
FMS9875KGC140X 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
FN3410-10-44 500 V, 50 HZ, THREE PHASE EMI FILTER
FN3410-110-35 500 V, 50 HZ, THREE PHASE EMI FILTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FMS9875KGC100X 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
FMS9875KGC140 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
FMS9875KGC140X 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
FMS9875KWC 制造商:Fairchild Semiconductor Corporation 功能描述:
FMS9884A 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3x8-Bit, 108/140/175 Ms/s Triple Video A/D Converter with Clamps
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