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AD9840A

Features: 40 MSPS Correlated Double Sampler (CDS)4 dB 6 dB Variable CDS Gain with 6-Bit Resolution2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)Low Noise Clamp CircuitsAnalog Preblanking Function10-Bit 40 MSPS A/D ConverterAuxiliary Inputs with VGA and Input Clamp3-Wire Serial Digital Interfac...

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SeekIC No. : 004273507 Detail

AD9840A: Features: 40 MSPS Correlated Double Sampler (CDS)4 dB 6 dB Variable CDS Gain with 6-Bit Resolution2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)Low Noise Clamp CircuitsAnalog Preblanking Functio...

AD9840A Data Sheet

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Part Number:
AD9840A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

40 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 40 MSPS A/D Converter
Auxiliary Inputs with VGA and Input Clamp
3-Wire Serial Digital Interface
3 V Single Supply Operation
Low Power: 155 mW @ 3.0 V Supply
48-Lead LQFP Package


Application

Digital Video Camcorders
Digital Still Cameras
Industrial Imaging


Pinout

Connection Diagram


Specifications


Parameter
 With RespectTo Min Max Unit
AVDD1, AVDD2
DVDD1, DVDD2
DRVDD
Digital Outputs
SHP, SHD, DATACLK
CLPOB, CLPDM, PBLK
SCK, SL, SDATA
VRT, VRB, CMLEVEL
BYP1-4, CCDIN
Junction Temperature
Lead Temperature
(10 sec)		 AVSS
DVSS
DRVSS
DRVSS
DVSS
DVSS
DVSS
AVSS
AVSS		 0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3		 +3.9
+3.9
+3.9
DRVDD + 0.3
DVDD + 0.3
DVDD + 0.3
DVDD + 0.3
AVDD + 0.3
AVDD + 0.3
150
300		 V
V
V
V
V
V
V
V
V
°C
°C



Description

The AD9840A 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 AD9840A'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 power-down modes. The AD9840A operates from a 3 V power supply, typically dissipates 155 mW, and is packaged in a 48-lead LQFP.




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