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AD9891

Features: AD9891: 10-Bit 20 MHz VersionAD9895: 12-Bit 30 MHz VersionCorrelated Double Sampler (CDS)4 6 dB Pixel Gain Amplifier (PxGA )(R)2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)10-Bit 20 MHz A/D Converter (AD9891)12-Bit 30 MHz A/D Converter (AD9895)Black Level Clamp with Variable Level C...

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SeekIC No. : 004273680 Detail

AD9891: Features: AD9891: 10-Bit 20 MHz VersionAD9895: 12-Bit 30 MHz VersionCorrelated Double Sampler (CDS)4 6 dB Pixel Gain Amplifier (PxGA )(R)2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)10-Bit 20 M...

AD9891 Data Sheet

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Part Number:
AD9891
Supply Ability:
5000

Price Break

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

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Upload time: 2024/4/26

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Product Details

Description



Features:

AD9891: 10-Bit 20 MHz Version
AD9895: 12-Bit 30 MHz Version
Correlated Double Sampler (CDS)
4 6 dB Pixel Gain Amplifier (PxGA )(R)
2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)
10-Bit 20 MHz A/D Converter (AD9891)
12-Bit 30 MHz A/D Converter (AD9895)
Black Level Clamp with Variable Level Control
Complete On-Chip Timing Generator
Precision Timing Core with 1 ns Resolution
On-Chip 5 V Horizontal and RG Drivers
2-Phase and 4-Phase H-Clock Modes
4-Phase Vertical Transfer Clocks
Electronic and Mechanical Shutter Modes
On-Chip Driver for External Crystal
On-Chip Sync Generator with External Sync Option
64-Lead CSPBGA Package


Application

Digital Still Cameras
Digital Video Camcorders
Industrial Imaging


Pinout

Connection Diagram


Specifications


Parameter
 With RespectTo Min Max Unit
AVDD1, AVDD2
TCVDD
HVDD
RGVDD
DVDD
DRVDD
RG Output
H1H4 Output
Digital Outputs
Digital Inputs
SCK, SL, SDATA
VRT, VRB
BYP1BYP3, CCDIN
Junction Temperature
Lead Temperature, 10 sec		 AVSS
TCVSS
HVSS
RGVSS
DVSS
DRVSS
RGVSS
HVSS
DVSS
DVSS
DVSS
AVSS
AVSS

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3

 +3.9
+3.9
+5.5
+5.5
+3.9
+3.9
RGVDD + 0.3
HVDD + 0.3
DVDD + 0.3
DVDD + 0.3
DVDD + 0.3
AVDD + 0.3
AVDD + 0.3
150
350		 V
V
V
V
V
V V
V
V
V
V
V
V
°C
°C



Description

The AD9891 and AD9895 are highly integrated CCD signal processors for digital still camera applications. Both include a complete analog front end with A/D conversion combined with a full-function programmable timing generator. A Precision Timing core allows adjustment of high speed clocks with 1 ns resolution at 20 MHz operation and 700 ps resolution at 30 MHz operation.

The AD9891 is specified at pixel rates of up to 20 MHz, and the AD9895 is specified at 30 MHz. The analog front end includes black level clamping, CDS, PxGA, VGA, and  a 10-Bit or 12-Bit A/D converter. The timing generator provides all the necessary CCD clocks: RG, H-clocks, V-clocks, sensor gate pulses, substrate clock, and substrate bias control. Operation is programmed using a 3-wire serial interface. Packaged in a space-saving 64-lead CSPBGA, the AD9891 and
AD9895 are specified over an operating temperature range of 20°C to +85°C.




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