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OmniVision’s OAH0428 is a single companion chip solution that provides an integrated analog to digital conversion and limited ISP functionality including Auto White Balance (AWB), Auto Gain Control (AGC) and Auto Exposure Control (AEC), Staggered HDR and multi-frame HDR. The OAH0428 can accept 4-wire digital input, MIPI input as well as 4-wire analog input and convert it to DVP or MIPI output for signal processing. While converting the signal, it also provides image clean-up, image resizing and manipulations including frame rate control, mirroring and flipping.

The OAH0428 can interface with the MIPI output from OmniVision’s OH08A, OH08B, OH02A, OH01A, or the 4-wire digital / analog output from OH0FA, OV6946, OH0TA, OV6948 and convert it to a MIPI / DVP signal.

In addition, the OAH0428 supports standard SCCB control, analog, Bayer RGB, and RAW analog inputs. During the operation, the input signals from the image sensors are digitized by and ADC and then processed by a digital signal processor (DSP) and finally standard MIPI / DVP outputs are sent out.

OmniVision Announces Industry’s Highest-Resolution Image Sensor for ENT, Cardiac, Arthro, OB-GYN and Utero-Renal Endoscopes


Complete imaging front-end solution

Supports 2MP at 60 fps

Support for the following ISP functions:

Analog input

Support for SCCB control, 10-bit DVP data output, and SPI master

Flexible input clock

External system clock or independent crystal; internal PLL

Low voltage operation

6 x 6 mm to fit into handle or at back-end, near ISP in medical endoscope and other video devices

Order Information
Ordering No. Vout(V) Package
Part Specification
DescriptionMedical sensor bridge ASIC to covert analog output to digital and provide basic ISP functions
Key FeaturesBlack Level Calibration
Auto gain / auto exposure / auto white balance
Target SolutionsWearables
Package Type64-pin BGA
Max Frame Rate2MP @ 60 fps
Output InterfaceMIPI / DVP
Input InterfaceMIPI
4-wire digital
4-wire analog
Product GuidePDF