Overview
Description
The RAA279974 is a 4-channel high-definition analog video decoder designed for automotive applications. It supports single-ended, differential, and pseudo-differential analog composite high-definition Automotive High-Definition Link (AHL) video inputs. Four high-quality 10-bit video ADCs convert the analog signals to digital, and a proprietary AHL adaptive comb filter separates the Luma and Chroma data to output a YUV422 digital video signal over a MIPI-CSI2 interface. In addition, the RAA279974 has integrated short-to-battery and short-to-ground detection and image enhancement capabilities, making it an ideal solution for demanding high-resolution automotive camera applications. This device works in conjunction with the RAA279971 AHL analog video encoder, which sits in the camera module.
Features
- Four AHL Video Decoders
- Software-selectable analog input control allows for combinations of single-ended and differential AHL/CVBS
- Built-in programmable analog anti-alias filter
- 10-bit ADCs and analog clamping circuit with up to 150MHz sampling frequency
- Fully programmable static gain or automatic gain control
- Programmable white peak control for the Y channel
- 4-H adaptive comb filter Y/C separation
- Digital sub-carrier PLL for accurate color decoding
- Digital horizontal PLL for synchronization processing and pixel sampling
- Automatic color control and color killer
- Programmable output cropping
- Video Processing
- Programmable hue, brightness, saturation, contrast, and sharpness.
- Image enhancement with peaking and CTI
- Black/White stretch
- MIPI Output
- MIPI 1.1 compliant unidirectional output format
- YUV 422 output format
- Up to 1.2Gbps
- 1-lane to 4-lane
- Pseudo BT.656 Output
- 8-bit parallel output with embedded sync
- Separate HREF and VREF
- Simultaneous output with MIPI
- Miscellaneous
Comparison
Applications
- Automotive camera systems
- Surround view monitor systems
- Automotive DVR systems
- Mirror replacement camera systems
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 2.32 MB | |
| Datasheet - Short-form | PDF 91 KB | |
| Application Note | PDF 815 KB | |
| White Paper | PDF 290 KB 日本語 , 简体中文 | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
RAA279974B3HNP#AA0 Active Samples Available |
SCQFN | Tray | 168 | Get Samples, |
RAA279974B3HNP#HA0 Active Samples Available |
SCQFN | Reel | 1000 | Get Samples, |
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Videos & Training
Automotive High-Definition Link (AHL)
The RAA279971 (encoder) and RAA279972 (decoder) enable high-definition video transmission with low cost cables and connectors.
Video List
