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AD9845B

Features: Pin Compatible with AD9845A Designs12-Bit 30 MSPS A/D Converter30 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 CircuitsPreblanking FunctionAuxiliary Inputs with VGA and Input Clamp3-Wir...

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SeekIC No. : 004273530 Detail

AD9845B: Features: Pin Compatible with AD9845A Designs12-Bit 30 MSPS A/D Converter30 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 Ampli...

AD9845B Data Sheet

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Part Number:
AD9845B
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:

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(R))
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




Application

High Performance Digital Still Cameras
Industrial/Scientific Imaging




Pinout






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
BYP1-3, 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






Description

The AD9845B is an improved version of the AD9845A CCD signal processor. It features a 30 MHz single-channel architec-ture 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.

The internal registers AD9845B are programmed through a 3-wire serial digital interface. Programmable features include gain adjustment, black level adjustment, input configuration, and power-down modes.

The AD9845B operates from a single 3 V power supply, typi-cally dissipates 153 mW, and is packaged in a 48-lead LQFP.






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