參數(shù)資料
型號: HI3300
廠商: Intersil Corporation
英文描述: 3V 10-Bit, 20MSPS A/D Converter with Internal Voltage Reference
中文描述: 3V的10位,20MSPS的A / D轉(zhuǎn)換器內(nèi)部電壓基準
文件頁數(shù): 15/16頁
文件大?。?/td> 174K
代理商: HI3300
15
Calibration starts when the fall of the pulse input to the CAL
pin (Pin 41) is detected at the clock rise. At this time, the
comparator is used in an exclusive manner for a four clock
interval. So, the output data holds the immediately previous
data for a four clock interval after seven clocks from the rise
of the clock where the fall of the calibration pulse was
detected, and then the data during this interval is missing.
Therefore, the effects of this function can be avoided by
inputting a sync or other signal as the calibration pulse so
that calibration is performed outside of the interval of the
actually used video signal. An input example is shown below.
Input ever H Sync
Input ever V Sync
Latch-up
Ensure that the AVDD and DVDD pins share the same
power supply on a board to prevent latch-up which may be
caused by power-ON time lag.
Board
To obtain full-expected performance from this IC, be sure
that the mounting board has a large ground pattern for lower
impedance. It is recommended that the IC be mounted on a
board without using a socket to evaluate its characteristics
adequately.
INPUT
CLK
CAL
INPUT
CLK
RESET
CAL
HI3300
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