Analog Devices Inc. ADV7182 10 位 SDTV 视频解码器，支持差分输入
亚德诺半导体 ADV7182 10 位 SDTV 视频解码器可自动检测与全球 NTSC、PAL 和 SECAM 标准兼容的标准模拟基带视频信号，并将其转换为 4:2:2 分量视频数据流。由此产生的视频数据流与 8 位 ITU-R BT.656 接口标准兼容。ADV7182 的数字视频输出流可与多种 MPEG 编码器、编解码器、移动视频处理器和亚德诺半导体的数字视频编码器轻松对接。外部 HS、VS 和 FIELD 信号可为 LCD 控制器和其它视频 ASIC 提供时序基准。针对具有真 8 位数据分辨率的消费电子应用，精确的 10 位模数转换可提供专业品质的视频性能。模拟视频输入接受单端、伪差分和全差分复合视频信号以及 S-视频和 YPbPr 视频信号，支持多种消费和汽车视频源。
特性
- Worldwide NTSC/PAL/SECAM color demodulation support
- One 10-bit analog-to-digital converter (ADC), 4× oversampling per channel for CVBS, Y/C mode, and YPrPb
- Four analog video input channels with an on-chip antialiasing filter
- CVBS (composite), Y/C (S-Video), and YPrPb (component) video input support
- Fully differential, pseudo-differential, and single-ended CVBS video input support
- Up to 4V common-mode input range solution
- Excellent common-mode rejection capabilities
- Five-line adaptive comb filters and CTI/DNR video enhancement
- TBC functionality provided by adaptive digital line length tracking (ADLLT), signal processing, and enhanced first-in, first-out (FIFO) management
- Integrated automatic gain control (AGC) with adaptive peak white mode
- Video fast switch capability
- Adaptive contrast enhancement (ACE)
- Down dither (8 bits to 6 bits)
- Rovi™ (Macrovision) copy protection detection
- NTSC/PAL/SECAM autodetection
- 8-bit ITU-R BT.656 YCrCb 4:2:2 output and HS, VS, or FIELD
- Full-featured VBI data slicer with Teletext support (WST)
- Power-down mode and ultralow sleep mode current
- Two-wire serial MPU interface (I²C compatible)
- Single 1.8V supply possible
- Automotive qualified models available
- −40°C to +105°C automotive temperature grade
- −40°C to +85°C industrial qualified temperature grade
- 32-lead, 5×5mm, RoHS-compliant LFCSP
应用
- Automotive infotainment
- DVRs for video security
- Media players
Functional Block Diagram
发布日期: 2015-05-29
| 更新日期: 2022-03-11