Overview
The ADV7181BBSTZ, produced by Analog Devices Inc., is a highly advanced integrated video decoder designed to automatically detect and convert standard analog baseband television signals compatible with worldwide standards such as NTSC, PAL, and SECAM. This device converts these signals into 8-bit precision 4:2:2 component video data, aligning with 16-bit/8-bit CCIR601/CCIR656 standards. The ADV7181BBSTZ features Analog Devices' proprietary ADLLT (Adaptive Digital Line Length Tracking) technology, which enhances digital video capture, processing, and display applications by providing variable input video quality detection and synchronization.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Analog Power Supply (AVDD) | 3.15 to 3.45 | V |
| Digital Core Supply (DVDD) | 1.65 to 2.0 | V |
| Digital I/O Power Supply (DVDDIO) | 3.0 to 3.6 | V |
| PLL Power Supply (PVDD) | 1.65 to 2.0 | V |
| Temperature Range | -40°C to +85°C | °C |
| Package Type | 64-lead LQFP, 64-lead LFCSP | |
| ADC Resolution | 9 bits | |
| Input Current (IIN) | -50 to +50 μA (Pin 29), -10 to +10 μA (other pins) | μA |
| Power-Down Current (IPWRDN) | 1.5 mA | mA |
| Power-Up Time (tPWRUP) | 20 ms | ms |
Key Features
- Automatic detection and conversion of NTSC, PAL, and SECAM analog baseband television signals into 4:2:2 component video data.
- Advanced digital output interface supporting line-locked clock-based systems.
- ADLLT (Adaptive Digital Line Length Tracking) technology for enhanced video quality detection and synchronization.
- Support for VBI (Vertical Blanking Interval) decoding, including close captioning, WSS, CGMS, EDTV, and Gemstar® 1×/2×.
- 2-wire serial MPU interface (I2C®-compatible) and power-down mode.
- Three 9-bit ADCs with differential channels and current/voltage clamps for high performance in mixed-signal applications.
- 6-channel input mux for multiple video signal inputs.
Applications
- DVD recorders
- PC video and HDD-based PVRs/DVDRs
- LCD TVs and set-top boxes
- Security systems and digital televisions
- Portable video devices and automotive entertainment systems
- AVR receivers and professional video systems.
Q & A
- What is the primary function of the ADV7181BBSTZ? The primary function is to automatically detect and convert analog baseband television signals into digital component video data.
- Which video standards does the ADV7181BBSTZ support? It supports NTSC, PAL, and SECAM standards.
- What is ADLLT technology? ADLLT stands for Adaptive Digital Line Length Tracking, a proprietary technology that enhances video quality detection and synchronization.
- What types of packages are available for the ADV7181BBSTZ? It is available in 64-lead LQFP and 64-lead LFCSP packages.
- What is the temperature range for the ADV7181BBSTZ? The temperature range is -40°C to +85°C.
- Does the ADV7181BBSTZ support VBI decoding? Yes, it supports VBI decoding for features like close captioning, WSS, CGMS, EDTV, and Gemstar® 1×/2×.
- What is the resolution of the ADCs in the ADV7181BBSTZ? The ADCs have a resolution of 9 bits.
- How many input channels does the ADV7181BBSTZ have? It has a 6-channel input mux.
- What is the power-up time for the ADV7181BBSTZ? The power-up time is 20 ms.
- Is the ADV7181BBSTZ Pb-free? Yes, the device is Pb-free.
