OV426 OMNIVISION | Alldatasheet
Document overview
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Technical content
OV426 companion ASIC product brief Compact Image Signal Processor for Medical Imaging Applicationslead free available in a lead-free package The OV426 is a single chip solution for small medical image sensors like the OV6946 and OV6948. The OV426 provides an integrated analog-to-digital data conversion using a built-in A/D converter (ADC), black level calibration (BLC), AEC/AGC and a final digital video parallel output (DVP). As shown in figure 2-1, the OV426 supports a standard SCCB interface to communicate with the system and manipulate the above mentioned functions. During operation, the OV426 decodes the proprietary analog output from the OV6946 and digitizes it by an ADC. The generated digital signals will then be processed by a digital signal processor (DSP) and finally, standard DVP outputs are sent out. Find out more at www.ovt.com.
¬ Wearables
Applications
complete imaging front-end solution 400 x 400 at 30 fps support for the following ISP functions: - ADC - BLC - AEC/AGC - MWB analog input support for: - SCCB control - 10-bit DVP data output - SPI master flexible input clock external system clock or independent crystal; internal PLL low voltage operation 6 mm x 6 mm to fit into handle or at back-end, near ISP in medical endoscope and other video devices Product Features ¬ OV00426-B64G (lead-free, 64-pin BGA)
Ordering Information
¬ power supply: - core: 1.5V - I/O: 3.3V - analog: 3.3V temperature range: -30°C to +70°C package dimensions: 6 mm x 6 mm Product Specifications OV426 Version 1.0, July, 2017 OmniVision reserves the right to make changes to their products or to discontinue any product or service without further notice. OmniVision and the OmniVision logo are registered trademarks of OmniVision Technologies, Inc. All other trademarks are the property of their respective owners.
4275 Burton Drive
Santa Clara, CA 95054 USA Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.com Functional Block Diagram OV6946 image sensor customer medical system OV426 ADC memory controller BLC MWB DVP SPI master system control SCCB slaveAEC/AGC PLL