 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
XRD9855AIV Datasheet(PDF) 1 Page - Exar Corporation |
|
||||||||||||||||||||||||||||||
XRD9855AIV Datasheet(HTML) 1 Page - Exar Corporation |
|
|
1 / 35 page  EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com XRD9855/9856 XRD98L55/98L56 CCD Image Digitizers with CDS, PGA and 10-Bit A/D July 2001 FEATURES l 10-Bit Resolution ADC l 18 - 27MHz Maximum Sampling Rate l Correlated Double Sampling (CDS) l Programmable Gain from 6dB to 38dB (PGA) l Digitally Controlled Analog Offset-Calibration l CCD Black Level Offset Compensation at Frame Rate l CDS Clocks Sample Rising Edge or Falling Edge l Single 5V or 3V Power Supply l Low Power for Battery Applications: XRD9855/56: 250/300mW @ V DD = 5.0V XRD98L55/L56: 120/150mW @ V DD = 3.0V l 50 µA-Typ Current in Stand By Mode l 3-State Digital Outputs l ESD Protection to Over 2000V APPLICATIONS l Digital Video Camcorders l Digital Still Cameras l PC Video Teleconferencing l Digital Copiers l Infrared Image Digitizers l CCD/CIS Imager Interface l CCTV/Security Camera l 2D Bar Code Readers l Industrial Cameras GENERAL DESCRIPTION The XRD9855/XRD9856 are complete CCD Image Digitizers for digital cameras. The products include a high bandwidth differential Correlated Double Sampler (CDS), 8-bit digitally Programmable Gain Amplifier (PGA), 10-bit Analog-to-Digital Converter (ADC) and digital controlled black level auto-calibration circuitry. The C orrelated D ouble Sam pler(CD S ) subtracts the CCD output signalblack level from the video level. C omm on m ode signalnoise and pow ersupply noise are rejected by the differentialCD S inputstage.CD S inputs are designed to be used either differentialor single- ended. The auto calibration circuitcom pensates forany inter- naloffsetofthe XRD 9855/XRD 9856 as w ellas black leveloffsetfrom the CCD. The PGA is digitally controlled with 8-bit resolution on a linear dB scale, resulting in a gain range of 6dB to 38dB with 0.125dB per LSB of the gain code. The PGA and black level auto-calibration are controlled through a simple 3-wire serial interface. The timing circuitry is designed to enable users to select a wide variety of available CCD and image sensors for their applications. The XRD9855/XRD9856 has direct access to the PGA output and ADC input through the pin TESTVIN. The XRD9855/XRD9856 are packaged in 48-lead sur- face mount TQFP to reduce space and weight, and suitable for hand-held and portable applications. ORDERING INFORMATION Operating Maximum Part No. Package Temperature Range Power Supply Sampling Rate XRD9855AIV 48 Lead TQFP (7 x 7 x 1.4 mm) -40°C to 85°C 5.0V 18 MSPS XRD98L55AIV 48 Lead TQFP (7 x 7 x 1.4 mm) -40°C to 85°C 3.0V 18 MSPS XRD9856AIV 48 Lead TQFP (7 x 7 x 1.4 mm) -40°C to 85°C 5.0V 27 MSPS XRD98L56AIV 48 Lead TQFP (7 x 7 x 1.4 mm) -40°C to 85°C 3.0V 27 MSPS Rev. 1.01 |
Similar Part No. - XRD9855AIV |
|
Similar Description - XRD9855AIV |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
