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MFG:AD Package Cooled:404
Part Number: AD9843A
MFG: AD
Package Cooled: 404
Description: The AD9843A is a complete analog signal processor for CCD applications. It features a 20 MHz single-ch...
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AD9843A
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DataSheet
General Description
AD9843A General Description
The AD9843A is a complete analog signal processor for CCD applications. It features a 20 MHz single-channel architecture designed to sample and condition the outputs of interlaced and
progressive scan area CCD arrays. The AD9843A's signal chain consists of an input clamp, correlated double sampler (CDS), digitally controlled variable gain amplifier (VGA), black level clamp, and 10-bit A/D converter. Additional input modes are provided for processing analog video signals.
The internal registers are programmed through a 3-wire serial digital interface. Programmable features include gain adjustment, black level adjustment, input configuration, and powerdown
modes.
The AD9843A operates from a single 3 V power supply, typically dissipates 78 mW, and is packaged in a 48-lead LQFP
AD9843A Maximum Ratings
| Parameter | With Respect To |
Min | Max | Unit |
| AVDD1, AVDD2 | AVSS | 0.3 | +3.9 | V |
| DVDD1, DVDD2 | DVSS | 0.3 | +3.9 | V |
| DRVDD | DRVSS | 0.3 | +3.9 | V |
| Digital Outputs | DRVSS | 0.3 | DRVDD + 0.3 | V |
| SHP, SHD, DATACLK | DVSS | 0.3 | DVDD + 0.3 | V |
| CLPOB, CLPDM, PBLK | DVSS | 0.3 | DVDD + 0.3 | V |
| SCK, SL, SDATA | DVSS | 0.3 | DVDD + 0.3 | V |
| VRT, VRB, CMLEVEL | AVSS | 0.3 | AVDD + 0.3 | V |
| BYP1-4, CCDIN | AVSS | 0.3 | AVDD + 0.3 | V |
| Junction Temperature | 150 | |||
| Lead Temperature (10 sec) |
300 |
AD9843A Features
20 MSPS Correlated Double Sampler (CDS) 4 dB±6 dB Variable CDS Gain with 6-Bit Resolution 2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA) Low Noise Clamp Circuits Analog Preblanking Function 10-Bit 20 MSPS A/D Converter Auxiliary Inputs with VGA and Input Clamp 3-Wire Serial Digital Interface 3 V Single Supply Operation Low Power: 65 mW @ 2.7 V Supply 48-Lead LQFP Package
AD9843A Typical Application
Digital Still Cameras
Digital Video Camcorders
PC Cameras
AD9843A Connection Diagram
AD9843A
PDF/DataSheet Download
- Datasheet: AD9843A
- File Size: 174480 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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