Product Details
●The AD9945 is a complete analog signal processor for CCD applications. It features a 40 MHz single-channel architecture designed to sample and condition the outputs of interlaced and progressive scan area CCD arrays.
●The AD9945’s signal chain consists of a correlated double sampler (CDS), a digitally controlled variable gain amplifier (VGA), a black level clamp, and a 12-bit A/D converter.
●The internal registers are programmed through a 3-wire serial digital interface. Programmable features include gain adjustment, black level adjustment, input clock polarity, and power-down modes. The AD9945 operates from a single 3 V power supply, typically dissipates 140 mW, and is packaged in a space-saving 32-lead LFCSP.
●### Features and Benefits
● 40 MSPS Correlated Double Sampler (CDS)
● 6 dB to 40 dB 10-Bit Variable Gain Amplifier (VGA)
● Low Noise Optical Black Clamp Circuit
● Preblanking Function
● 12-Bit 40 MSPS A/D Converter
● No Missing Codes Guaranteed
● 3-Wire Serial Digital Interface
● 3 V Single-Supply Operation
● Low Power: 140 mW @ 3 V Supply
● Space-Saving 32-Lead
● 5 mm x 5 mm LFCSP
