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AD9841A

Features: 20 MSPS Correlated Double Sampler (CDS)4 dB 6 dB 6-Bit Pixel Gain Amplifier (PxGA )(R)2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)Low Noise Clamp CircuitsAnalog Preblanking Function10-Bit (9841) or 12-Bit (9842) 20 MSPS A/D ConverterAuxiliary Inputs with VGA and Input Clamp3-Wire S...

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SeekIC No. : 004273510 Detail

AD9841A: Features: 20 MSPS Correlated Double Sampler (CDS)4 dB 6 dB 6-Bit Pixel Gain Amplifier (PxGA )(R)2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)Low Noise Clamp CircuitsAnalog Preblanking Function1...

AD9841A Data Sheet

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Part Number:
AD9841A
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:

20 MSPS Correlated Double Sampler (CDS)
4 dB  6 dB 6-Bit Pixel Gain Amplifier (PxGA )(R)
2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)
Low Noise Clamp Circuits
Analog Preblanking Function
10-Bit (9841) or 12-Bit (9842) 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


Application

Digital Still Cameras
Digital Video Camcorders


Pinout

Connection Diagram


Specifications

Respect
 WithParameterTo
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 AD9841A and AD9842A are complete analog signal proces-sors for CCD applications. Both products feature a 20MHz single-channel architecture designed to sample and condition the outputs of interlaced and progressive scan area CCD arrays.

The AD9841A/AD9842A's signal chain consists of an input clamp, correlated double sampler (CDS), Pixel Gain Amplifier (PxGA), digitally controlled variable gain amplifier (VGA), black level clamp, and A/D converter. The AD9841A offers 10-bit ADC resolution, while the AD9842A contains a true 12-bit ADC. 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 AD9841A and AD9842A operate from a single 3 V power supply, typically dissipate 78 mW, and are packaged in a 48-lead LQFP.




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