OV426 companion ASIC product brief lead free available in a lead-free package Compact Image Signal Processor for Medical Imaging Applications 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. OV426 Applications Endoscopes Wearables Catheters Ordering Information Product Features OV00426-B64G (lead-free, 64-pin BGA) complete imaging front-end solution flexible input clock 400 x 400 at 30 fps external system clock or independent crystal; internal PLL support for the following ISP functions: - ADC low voltage operation - BLC - AEC/AGC 6 mm x 6 mm to fit into handle or at - MWB back-end, near ISP in medical endoscope and other video devices analog input Product Specifications power supply: - core: 1.5V - I/O: 3.3V - analog: 3.3V temperature range: -30C to +70C package dimensions: 6 mm x 6 mm support for: - SCCB control - 10-bit DVP data output - SPI master Functional Block Diagram OV426 ADC OV6946 image sensor memory controller BLC MWB DVP SPI master AEC/AGC system control customer medical system SCCB slave PLL 4275 Burton Drive Santa Clara, CA 95054 USA Version 1.0, July, 2017 Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.com 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.