AI9943 datasheet(13/17 Pages) A1PROS

Part #	AI9943

Description	acomplete analog signal processor for CCD applications

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Manufacturer	A1PROS [A1 PROs co., Ltd.]

Direct Link	http://www.a1pros.co.kr

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Ai9943

A/D Converter

The ADC uses a 2 V input range. Better noise

performance results from using a larger ADC

full-scale range. The ADC uses a pipelined

architecture with a 2 V full-scale input for low

noise performance.

Variable Gain Amplifier

The VGA stage provides a gain range of 6 dB to

40 dB, programmable with 10-bit resolution

through the serial digital interface. The

minimum gain of 6 dB is needed to match a 1 V

input signal with the ADC full-scale range of

2V. A plot of the VGA gain curve is shown on

the right.

×

VGA Gain (dB) = (VGA Code

0.035dB) +5.3 dB

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