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Overview

The OH08A is OmniVision’s next-generation 8 megapixel (MP) resolution CMOS image sensor for single-use and reusable endoscopes. The sensor is designed for endoscopes with a 10-12 mm outer diameter, such as gastroscopes, duodenoscopes, amnioscopes, laparoscopes and colonoscopes. The medical-grade OH08A image sensor features a 1/2.5-inch optical format, incorporates 1.4 µm PureCel®Plus-S pixel technology and offers 4K2K resolution in a small 7.1 x 4.6 mm package, which is ideal for chip-on-tip endoscopes.

Built on OmniVision’s next-generation PureCel®Plus-S stacked die technology, the OH08A enables high functionality in the smallest possible die size. The sensor utilizes this proprietary pixel technology to improve image quality by reducing or eliminating fixed pattern noise, as well as providing high full well capacity (improving dynamic range), excellent low light sensitivity, zero blooming and lower power consumption. The high frame rate of 60 fps reduces smearing to produce a crisp, stable image.

The OH08A offers high quality 8MP Bayer still frame or 4K video in real time. It features 4-cell three-exposure high dynamic range (HDR) with tone mapping for improved HDR output at 1080p60 or native 4K2Kp60 resolution and two-exposure staggered HDR support.

Other key features of the OH08A include a 15.5 degree chief ray angle, enabling the use of lenses with large field of view and short focus distance; pulse width modulation output LED drivers; and 4 lane MIPI output with raw data. The OH08A is stereo ready with frame synchronization to support a host of depth perception applications. Additionally, it is autoclavable for reusable endoscope sterilization.

Click here for the press release.

Features

Automatic black level calibration (ABLC)

Programmable controls for:
- Frame rate
- Mirror and flip
- Binning
- Cropping
- Windowing

Support for dynamic defect pixel cancellation (DPC)

Supports output formats: 10-bit RGB 4-cell pattern Bayer RAW

Supports horizontal and vertical subsampling

Supports typical images sizes:
- 4024 x 2180
- 3840 x 2160
- 1920 x 1080
- 1280 x 720

Standard serial SCCB interface

Up to 4-lane MIPI TX interface with speed up to 2.5 Gbps/lane

Embedded 8k bits of one-time programmable (OTP) memory (4k bits reserved for user)

4-cell support:
- 4-cell binning
- 4-cell full

On-chip 4-cell to Bayer converter

Three on-chip phase lock loops (PLLs)

Sequential multi-frame HDR

2.2MP 10-bit 3-exposure 4C HDR output after tone mapping

Programmable I/O drive capability

Built-in temperature sensor

Order Information
Ordering No. Vout(V) Package
Part Specification
SpecOH08A40-A63A-001A-Z
PackageCSP
TechnologyPureCel®Plus-S
InterfaceMIPI
Shutter TypeRolling Shutter
CFA (Chroma)Color
4-Cell
Analog / DigitalDigital
Power RequirementActive: 450 mW @ 4k2kp60fps
Output Format10-bit RGB 4-cell pattern Bayer RAW
Optical Format1/2.49"
Frame RateFull @ 60 fps
Pixel Size1.404 µm
Image Area5672.16 x 3083.184 µm
Package Dimensions7074.4 x 4621.9 μm
Product GuidePDF
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