Overview
The ADV7180WBCP32Z from Analog Devices Inc. is a versatile one-chip multiformat video decoder designed to automatically detect and convert standard analog baseband television signals compatible with worldwide NTSC, PAL, and SECAM standards into 4:2:2 component video data. This decoder supports a wide range of consumer video sources, including composite, S-Video, and component video signals. It features a simple digital output interface that connects gluelessly to various MPEG encoders, codecs, mobile video processors, and other digital video encoders like the ADV7391. The ADV7180 is fabricated in a 1.8 V CMOS process, ensuring greater functionality with lower power dissipation, making it ideal for space-constrained portable applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP) |
| Analog-to-Digital Converter (ADC) | 10-bit, 4× oversampling |
| Input Video Signals | Composite, S-Video, Component Video |
| Input Video Signal Range | Peak-to-peak range up to 1.0 V |
| Output Format | 4:2:2 component video data, ITU-R BT.656 interface standard |
| Power Supply | AVDD: 1.71 V to 1.89 V, DVDD: 1.65 V to 2.0 V, DVDDIO: 1.62 V to 3.6 V, PVDD: 1.65 V to 2.0 V |
| Programming Interface | 2-wire, serial bidirectional port (I²C-compatible) |
| Macrovision Certification | Fully Macrovision certified; detects Type I, Type II, and Type III protection levels |
Key Features
- Automatic detection and conversion of NTSC, PAL, and SECAM standards
- Support for composite, S-Video, and component video input signals
- 10-bit analog-to-digital conversion with 4× oversampling for professional quality video
- AGC and clamp-restore circuitry with manual bypass option
- Line-locked clock output with synchronous, asynchronous, or line-locked timing signals
- External HS, VS, and FIELD signals for timing references
- Processing of VBI data services including closed captioning, wide screen signaling, and more
- I²C-compatible programming interface
- Monolithic CMOS construction for lower power dissipation
- Compact LFCSP package options for space-constrained applications
Applications
- Consumer video applications
- Portable video devices
- MPEG encoders and codecs
- Mobile video processors
- Digital video encoders
- Automotive video systems (AEC-Q100 qualified)
- LCD controllers and other video ASICs
Q & A
- What types of video signals does the ADV7180 support?
The ADV7180 supports composite, S-Video, and component video signals compatible with NTSC, PAL, and SECAM standards.
- What is the output format of the ADV7180?
The output format is 4:2:2 component video data compatible with the ITU-R BT.656 interface standard.
- What is the power supply range for the ADV7180?
The power supply ranges are AVDD: 1.71 V to 1.89 V, DVDD: 1.65 V to 2.0 V, DVDDIO: 1.62 V to 3.6 V, and PVDD: 1.65 V to 2.0 V.
- How is the ADV7180 programmed?
The ADV7180 is programmed via a 2-wire, serial bidirectional port (I²C-compatible).
- Is the ADV7180 Macrovision certified?
Yes, the ADV7180 is fully Macrovision certified and detects Type I, Type II, and Type III protection levels.
- What package options are available for the ADV7180?
The ADV7180 is available in 32-Lead LFCSP, 40-Lead LFCSP, 48-Lead LQFP, and 64-Lead LQFP packages.
- What are the key features of the ADV7180's analog front end?
The analog front end includes a 10-bit ADC, differential channels, a 3-channel input mux, and AGC and clamp-restore circuitry.
- Can the ADV7180 process VBI data services?
Yes, the ADV7180 can process various VBI data services including closed captioning, wide screen signaling, and more.
- Is the ADV7180 suitable for automotive applications?
Yes, the ADV7180 is AEC-Q100 qualified, making it suitable for automotive video systems.
- How does the ADV7180 handle timing signals?
The ADV7180 provides line-locked clock output with synchronous, asynchronous, or line-locked timing signals, and external HS, VS, and FIELD signals for timing references.
