OV420 OMNIVISION | Alldatasheet
Document overview
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Technical content
OV420 companion ASIC product brief Compact Companion ASIC for Medical Imaging Applicationslead free available in a lead-free package The OV420 is a single chip solution for the OV6930- based medical applications. The OV420 provides an integrated analog-to-digital data conversion using a built-in A/D converter (ADC), black level calibration (BLC), lens correction (LENC), defect pixel correction (DPC), AEC/AGC and digital video parallel output (DVP). As shown in figure 2-1, the OV420 supports a standard SCCB interface to communicate with the system and manipulate the above mentioned functions. During operation, the OV420 decodes the proprietary analog output from the OV6930 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.
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Applications
low cost, single-chip solution for the OV6930 medical sensor SCCB slave and master support high bandwidth ADC, supporting up to 16MHz supports 10-bit digital parallel output low voltage, 1.8V (core), 3.3V (analog) and 3.3V (I/O) operation external system clock or independent crystal operation auto gain/exposure control black level calibration (BLC) test pattern generator digital signal processor (DSP) RAW output with 10-bit parallel digital video port (DVP) Product Features ¬ OV00420-A36G (lead-free, 36-pin wCSP™)
Ordering Information
power supply: - core: 1.8V ±5% - I/O: 3.3V ±10% - analog: 3.3V ±10% power requirements: - active: 16 mA (typical) - standby: 65 µA (typical) temperature range: -30°C to +70°C package dimensions: 3.17 mm x 3.17 mm Product Specifications OV420 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. wCSP is a trademark 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 OV6930 image sensor customer medical system OV420 ADC memory controller BLC DSP DVP SCCB serial interface SCCB master system control SCCB slaveAEC/AGC PLL