Overview
The ADA4411-3ARQZ-R7, produced by Analog Devices Inc., is an integrated triple video filter and buffer designed to provide a comprehensive filtering solution for various video signals. This component is ideal for applications requiring high-quality video reconstruction and antialias filtering, particularly in environments where power consumption is critical. It operates on either a single +5 V supply or ±5 V supplies, making it versatile for different application needs. The ADA4411-3ARQZ-R7 features selectable cutoff frequencies, gain adjustments, and voltage offset controls, enhancing its flexibility in handling RGB, high definition (HD), and standard definition (SD) video signals.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Supply Range | 4.5 | 12 | V | |
| Quiescent Current (Enabled) | 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 | V | ||
| Operating Temperature Range | -40 | +85 | °C | |
| Package Type | 24-Lead QSOP |
Key Features
- Selectable cutoff frequencies ranging from 9 MHz to 36 MHz, optimized for RGB, HD, and SD video signals.
- Gain adjustments via a single logic pin, allowing for x2 or x4 gain selection.
- Continuously adjustable output voltage offset over an input-referred range of ±500 mV.
- 2:1 multiplexers on all video inputs, useful for filtering multiple sources of video signals.
- Ability to drive two 75 Ω terminated loads, either dc-coupled or ac-coupled.
- Disable feature for power conservation, reducing supply current to typically 15 μA when not in use.
- High impedance multiplexed inputs and high output drive capability.
- Operation on single +5 V or ±5 V supplies, with excellent PSRR (Power Supply Rejection Ratio).
- Sixth-order Butterworth response with group delay optimization for fast settling pulse response.
Applications
- Video reconstruction and antialias filtering in various video systems.
- High definition (HD) and standard definition (SD) video signal processing.
- Component video signals filtering for RGB applications.
- Low power consumption applications where single-supply operation is beneficial.
- Systems requiring multiple video signal sources filtering, such as in multimedia and broadcasting equipment.
Q & A
- What is the ADA4411-3ARQZ-R7 used for?
The ADA4411-3ARQZ-R7 is used for video reconstruction and antialias filtering in various video systems, including HD and SD video signal processing.
- What are the operating supply ranges for the ADA4411-3ARQZ-R7?
The ADA4411-3ARQZ-R7 can operate on a single +5 V supply or ±5 V supplies, with an operating range of 4.5 V to 12 V.
- How does the gain adjustment work on the ADA4411-3ARQZ-R7?
The gain can be adjusted via a single logic pin, allowing for x2 or x4 gain selection.
- What is the output voltage offset adjustment range?
The output voltage offset is continuously adjustable over an input-referred range of ±500 mV.
- Can the ADA4411-3ARQZ-R7 drive multiple video loads?
Yes, the ADA4411-3ARQZ-R7 can drive two 75 Ω terminated loads, either dc-coupled or ac-coupled.
- How does the disable feature work?
The disable feature reduces the supply current to typically 15 μA when the device is not in use, aiding in power conservation.
- What is the package type of the ADA4411-3ARQZ-R7?
The ADA4411-3ARQZ-R7 is available in a 24-lead, wide body QSOP package.
- What is the operating temperature range of the ADA4411-3ARQZ-R7?
The ADA4411-3ARQZ-R7 is rated for operation over the industrial temperature range of -40°C to +85°C.
- Does the ADA4411-3ARQZ-R7 have multiplexing capabilities?
Yes, the ADA4411-3ARQZ-R7 features 2:1 multiplexers on all of its video inputs.
- What type of filter response does the ADA4411-3ARQZ-R7 have?
The ADA4411-3ARQZ-R7 has a sixth-order Butterworth response with group delay optimization.
