深圳市中立信电子科技有限公司

AD9845BJSTZRL

模数转换器 - ADC Complete 12-Bit 30 MSPS CCD Signal Processor

GENERAL DESCRIPTION AD9845BJSTZRL

The AD9845B is an improved version of the AD9845A CCD

signal processor. It features a 30 MHz single-channel architecture

designed to sample and condition the outputs of interlaced

and progressive scan area CCD arrays. The AD9845B’s signal

chain consists of an input clamp, a correlated double sampler

(CDS), PxGA, a digitally controlled VGA, a black level clamp,

and a 12-bit A/D converter. Additional input modes are also

provided for processing analog video signals.

FEATURES AD9845BJSTZRL

Pin Compatible with AD9845A Designs

12-Bit 30 MSPS A/D Converter

30 MSPS Correlated Double Sampler (CDS)

4 dB
6 dB 6-Bit Pixel Gain Amplifier (PxGA®)

2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)

Low Noise Clamp Circuits

Preblanking Function

Auxiliary Inputs with VGA and Input Clamp

3-Wire Serial Digital Interface

3 V Single-Supply Operation

Low Power: 153 mW @ 3 V Supply

Space-Saving 48-Lead LQFP Package

APPLICATIONS AD9845BJSTZRL

High Performance Digital Still Cameras

Industrial/Scientific Imaging