Overview
The ADV7173, produced by Analog Devices Inc., is an integrated Digital Video Encoder designed to convert digital CCIR-601 4:2:2 8-bit component video data into standard analog baseband television signals compatible with worldwide PAL and NTSC standards. This component features six 10-bit DACs, providing outputs for Composite, S-VHS Y/C, RGB, and YUV video. It also includes advanced power management and a Super Sub-Alias Filter (SSAF) for optimal video quality.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Terminals | - | - | 48 | - |
| Package | - | - | 48-Lead LQFP (7mm x 7mm) | - |
| VAA (Supply Voltage) | 4.75 | 5.0 | 5.25 | V |
| IDAC (Maximum Current) | - | - | 65 | mA |
| VREF (Voltage Reference) | 1.112 | 1.235 | 1.359 | V |
| Output Compliance (VOC) | 0 | - | 1.4 | V |
| Output Impedance (ROUT) | - | - | 30 kΩ | - |
| Output Capacitance (COUT) | - | - | 30 pF | - |
| SCLOCK Frequency | 0 | - | 400 kHz | - |
| Analog Output Delay | 7 ns | - | - | - |
Key Features
- Conversion of digital CCIR-601 4:2:2 8-bit component video data to analog baseband television signals (PAL and NTSC compatible)
- Six 10-bit DACs for Composite, S-VHS Y/C, RGB, and YUV video outputs
- Super Sub-Alias Filter (SSAF) for studio-quality video playback with extended luminance frequency response and sharp stopband attenuation
- Luma sharpness control and programmable luma filters (low-pass, notch, extended SSAF, CIF, and QCIF)
- Programmable chroma filters (low-pass) and subcarrier frequency and phase
- Integrated subcarrier locking to external video source and color signal control/burst signal control
- Interlaced and noninterlaced operation with complete on-chip video timing generator
- Programmable multimode master/slave operation and 2-wire serial MPU interface (I2C-compatible and Fast I2C)
- Advanced power management with power down or sleep modes and PC’98-Compliant autodetect feature
Applications
The ADV7173 is suitable for various video encoding applications, including:
- Consumer electronics such as TVs, DVD players, and set-top boxes
- Professional video equipment like video cameras and video editing systems
- Industrial and medical imaging devices requiring high-quality video output
- Automotive infotainment systems
Q & A
- What is the primary function of the ADV7173?
The ADV7173 is an integrated Digital Video Encoder that converts digital CCIR-601 4:2:2 8-bit component video data into standard analog baseband television signals compatible with worldwide PAL and NTSC standards.
- How many DACs does the ADV7173 have, and what are their resolutions?
The ADV7173 features six 10-bit DACs.
- What types of video outputs does the ADV7173 support?
The ADV7173 supports Composite, S-VHS Y/C, RGB, and YUV video outputs.
- What is the SSAF feature in the ADV7173, and what does it do?
The SSAF (Super Sub-Alias Filter) provides studio-quality video playback with extended luminance frequency response and sharp stopband attenuation.
- Does the ADV7173 support power management features?
Yes, the ADV7173 includes advanced power management with power down or sleep modes and a PC’98-Compliant autodetect feature to reduce power consumption.
- What is the package type and pin count of the ADV7173?
The ADV7173 comes in a 48-Lead LQFP (7mm x 7mm) package.
- What are the supply voltage requirements for the ADV7173?
The supply voltage (VAA) for the ADV7173 ranges from 4.75V to 5.25V.
- Does the ADV7173 support I2C communication?
Yes, the ADV7173 features a 2-wire serial MPU interface that is I2C-compatible and Fast I2C.
- What are some common applications for the ADV7173?
The ADV7173 is used in consumer electronics, professional video equipment, industrial and medical imaging devices, and automotive infotainment systems.
- Is the ADV7173 compatible with both PAL and NTSC video standards?
Yes, the ADV7173 supports both PAL and NTSC square pixel operation.
