Overview
The ADA4411-3ARQZ, produced by Analog Devices Inc., is a comprehensive integrated triple video filter and buffer designed to provide flexibility in filtering and driving various video signals, including high definition video. This component is ideal for applications requiring high-quality video signal processing and offers features such as selectable cutoff frequencies, variable gain, and voltage offset adjustments. It operates on a wide supply range, from +4.5 V to ±5 V, and is available in a 24-lead, wide body QSOP package. The ADA4411-3ARQZ is rated for operation over the extended industrial temperature range of -40°C to +85°C, making it suitable for a variety of video-related applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 4.5 | 12 | V | |
| Quiescent Current | 53 | 56 | mA | |
| Quiescent Current (Disabled) | 15 | 150 | μA | |
| PSRR (Positive Supply) | 62 | 70 | dB | |
| PSRR (Negative Supply) | 57 | 65 | dB | |
| Offset Error (Input Referred) | 13 | 32 | mV | |
| Offset Adjust Range (Input Referred) | ±500 | mV | ||
| Input Voltage Range | VS- - 0.1 | VS+ - 2.0 | V | |
| Output Voltage Swing | 4.5 | V p-p | ||
| Cutoff Frequencies | 9 | 36 | MHz | |
| Package Type | 24-lead QSOP | |||
| Operating Temperature Range | -40 | +85 | °C |
Key Features
- Selectable cutoff frequencies ranging from 9 MHz to 36 MHz, tuned for RGB, high definition, and standard definition video signals.
- Variable gain: ×2 or ×4 selectable via a single logic pin.
- Continuous voltage offset adjustment over an input-referred range of ±500 mV.
- 2:1 multiplexers on all video inputs for filtering multiple sources of video signals.
- High impedance inputs with no minimum or maximum input termination required.
- Rail-to-rail output that can swing 4.5 V p-p on a single 5 V supply.
- Ability to drive two 75 Ω doubly terminated cables, either dc-coupled or ac-coupled.
- Disable feature to reduce supply current to typically 15 μA when not in use.
- Wide supply range: +4.5 V to ±5 V, with single-supply or dual-supply operation.
- Compact 24-lead QSOP package.
Applications
- Set-top boxes
- Personal video recorders
- DVD players and recorders
- HDTVs
- Projectors
Q & A
- What is the ADA4411-3ARQZ used for?
The ADA4411-3ARQZ is used as an integrated triple video filter and buffer, designed to filter and drive various video signals, including high definition video.
- What are the selectable cutoff frequencies of the ADA4411-3ARQZ?
The cutoff frequencies range from 9 MHz to 36 MHz, selectable via two logic pins to obtain four filter combinations tuned for RGB, high definition, and standard definition video signals.
- What is the gain adjustment capability of the ADA4411-3ARQZ?
The gain can be selected to be ×2 or ×4 via a single logic pin.
- How does the ADA4411-3ARQZ adjust voltage offset?
The output voltage offset is continuously adjustable over an input-referred range of ±500 mV by applying a differential voltage to an independent offset control input.
- What type of inputs does the ADA4411-3ARQZ have?
The ADA4411-3ARQZ has high impedance multiplexed inputs with 2:1 multiplexers on all video inputs.
- What is the output drive capability of the ADA4411-3ARQZ?
The output buffers can drive two 75 Ω doubly terminated cables, either dc-coupled or ac-coupled.
- How does the ADA4411-3ARQZ conserve power?
The disable feature reduces the supply current to typically 15 μA when the device is not in use.
- What is the operating temperature range of the ADA4411-3ARQZ?
The ADA4411-3ARQZ operates over the extended industrial temperature range of -40°C to +85°C.
- What package type is the ADA4411-3ARQZ available in?
The ADA4411-3ARQZ is available in a 24-lead, wide body QSOP package.
- Is the ADA4411-3ARQZ RoHS compliant?
Yes, the ADA4411-3ARQZ is RoHS compliant.
