Overview
The ADV7281WBCPZ, manufactured by Analog Devices Inc., is a versatile one-chip, multiformat video decoder. This component is designed to automatically detect and process standard analog baseband video signals compatible with worldwide NTSC, PAL, and SECAM standards. It supports various video input formats including composite (CVBS), S-Video (Y/C), and component (YPrPb) video. The ADV7281 series is available in several variants, each offering different numbers of analog input channels: the ADV7281 up to 4 channels, the ADV7281-M up to 6 channels, and the ADV7281-MA up to 8 channels.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Analog Input Channels | ADV7281: up to 4, ADV7281-M: up to 6, ADV7281-MA: up to 8 |
| Video Input Support | CVBS (composite), Y/C (S-Video), YPrPb (component) |
| Input Signal Types | Single-ended, pseudo differential, fully differential |
| Video Standards | NTSC, PAL, SECAM |
| Output Interface | 8-bit ITU-R BT.656 YCrCb 4:2:2, MIPI CSI-2 (for ADV7281-M and ADV7281-MA) |
| ADC Resolution | 10-bit |
| Supply Voltage | 1.71 V to 1.89 V (analog and digital) |
| Operating Temperature | -40°C to +105°C |
| Package Type | 32-lead LFCSP (5 mm x 5 mm), RoHS-compliant |
| Communication Interface | 2-wire, I2C-compatible serial interface |
Key Features
- Automatic detection of NTSC, PAL, and SECAM video standards
- Support for composite, S-Video, and component video inputs
- Integrated automatic gain control (AGC) with adaptive peak white mode
- Fast switching capability and adaptive contrast enhancement (ACE)
- 5-line adaptive 2D comb filter and CTI video enhancement
- Adaptive Digital Line Length Tracking (ADLLT) and mini-time base correction (TBC) functionality
- Short-to-battery (STB) diagnostics on 2 video inputs (ADV7281 and ADV7281-M only)
- Rovi (Macrovision) copy protection detection
- Down dither (8-bit to 6-bit)
- Power-down mode available
Applications
- Smartphone and multimedia handsets
- Automotive infotainment systems
- Digital Video Recorders (DVRs) for video security
- Media players
Q & A
- What are the different variants of the ADV7281?
The ADV7281 is available in three variants: ADV7281 (up to 4 input channels), ADV7281-M (up to 6 input channels), and ADV7281-MA (up to 8 input channels).
- What video input formats does the ADV7281 support?
The ADV7281 supports composite (CVBS), S-Video (Y/C), and component (YPrPb) video inputs.
- What is the output interface of the ADV7281?
The ADV7281 outputs an 8-bit ITU-R BT.656 YCrCb 4:2:2 video data stream. The ADV7281-M and ADV7281-MA also support MIPI CSI-2 output.
- What is the ADC resolution of the ADV7281?
The ADC resolution of the ADV7281 is 10-bit.
- What is the operating temperature range of the ADV7281?
The operating temperature range is -40°C to +105°C.
- What package type is the ADV7281 available in?
The ADV7281 is available in a 32-lead LFCSP (5 mm x 5 mm) package, which is RoHS-compliant.
- Does the ADV7281 support I2C communication?
Yes, the ADV7281 supports a 2-wire, I2C-compatible serial interface.
- What are some of the key features of the ADV7281?
Key features include automatic gain control, adaptive contrast enhancement, 5-line adaptive 2D comb filter, and short-to-battery diagnostics.
- What applications is the ADV7281 suitable for?
The ADV7281 is suitable for smartphone and multimedia handsets, automotive infotainment systems, DVRs for video security, and media players.
- Is the ADV7281 qualified for automotive applications?
Yes, the ADV7281 is qualified for automotive applications.
