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AD9845A

Features: 30 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 Function12-Bit 30 MSPS A/D ConverterAuxiliary Inputs with VGA and Input Clamp3-Wire Serial Digital Interface3...

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SeekIC No. : 004273527 Detail

AD9845A: Features: 30 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...

AD9845A Data Sheet

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Part Number:
AD9845A
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:

30 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
12-Bit 30 MSPS A/D Converter
Auxiliary Inputs with VGA and Input Clamp
3-Wire Serial Digital Interface
3 V Single Supply Operation
Low Power: 140 mW @ 3 V Supply
48-Lead LQFP Package


Application

Digital Still Cameras
Digital Video Camcorders
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 AD9845A is a complete analog signal processor for CCD applications. It features a 30 MHz single-channel architecture designed to sample and condition the outputs of interlaced and progressive scan area CCD arrays. The AD9845A'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 12-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 AD9845A operates from a single 3 V power supply, typi-cally dissipates 140 mW, and is packaged in a 48-lead LQFP.




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