Overview
The ADV7311KST is a high-speed, digital-to-analog video encoder produced by Analog Devices Inc. This component is integrated on a single monolithic chip and is designed to support various video formats, including high definition and standard definition. It features six high-speed NSV (Nonlinear Signal Voltage) 12-bit D/A converters with TTL-compatible inputs, making it suitable for a wide range of video processing applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| VAA Supply Voltage | 2.375 | 2.625 | 3.6 | V | TMIN to TMAX (0°C to 70°C) |
| VDD Supply Voltage | 2.375 | 2.625 | 3.6 | V | TMIN to TMAX (0°C to 70°C) |
| VDD_IO Supply Voltage | 2.375 | 2.75 | 3.6 | V | TMIN to TMAX (0°C to 70°C) |
| Luma Bandwidth (Progressive Scan) | 12.5 | MHz | |||
| Chroma Bandwidth (Progressive Scan) | 5.8 | MHz | |||
| SNR (Luma Ramp Unweighted) | 72 | dB |
Key Features
- High-speed digital-to-analog video encoder with six 12-bit NSV D/A converters.
- Supports high definition and standard definition video formats, including 8-/10-, 16-/20-, 24-/30-bit parallel YCrCb.
- Compliant with SMPTE 293M (525p) and BTA T-1004 EDTV2 (525p) standards.
- 2-wire serial I2C interface for control.
- Dual I/O supply operation at 2.5 V/3.3 V.
- Analog and digital supply at 2.5 V.
- On-board PLL for clock generation.
- 64-lead LQFP package, lead-free and RoHS compliant.
- Internal test pattern generator with various patterns (color hatch, black bar, flat field/frame).
- Fully programmable YCrCb to RGB matrix and gamma correction.
- Programmable adaptive filter and sharpness filter control.
Applications
- High-end DVD players and recorders.
- SD/Prog Scan/HDTV display devices.
- SD/HDTV set-top boxes.
- Professional video systems.
Q & A
- Q: What is the primary function of the ADV7311KST?
A: The ADV7311KST is a high-speed digital-to-analog video encoder designed to convert digital video signals into analog video signals.
- Q: What video formats does the ADV7311KST support?
A: It supports various high definition and standard definition video formats, including 8-/10-, 16-/20-, 24-/30-bit parallel YCrCb.
- Q: What is the resolution of the D/A converters in the ADV7311KST?
A: The ADV7311KST features six 12-bit NSV D/A converters.
- Q: What is the operating voltage range for the VAA supply?
A: The VAA supply voltage ranges from 2.375 V to 3.6 V.
- Q: Does the ADV7311KST have an on-board PLL?
A: Yes, it includes an on-board PLL for clock generation.
- Q: What is the package type and lead status of the ADV7311KST?
A: It comes in a 64-lead LQFP package and is lead-free and RoHS compliant.
- Q: What are some of the key applications for the ADV7311KST?
A: Key applications include high-end DVD players and recorders, SD/Prog Scan/HDTV display devices, SD/HDTV set-top boxes, and professional video systems.
- Q: Does the ADV7311KST support programmable features like gamma correction and adaptive filters?
A: Yes, it supports fully programmable YCrCb to RGB matrix, gamma correction, and programmable adaptive and sharpness filters.
- Q: How is the ADV7311KST controlled?
A: It is controlled via a 2-wire serial I2C interface.
- Q: What kind of test patterns can the ADV7311KST generate internally?
A: It can generate various test patterns including color hatch, black bar, and flat field/frame.
