Overview
The AD8185ARU-REEL, produced by Analog Devices Inc., is a high-performance, triple 2:1 multiplexer designed for video signal switching applications. This component is part of the AD8183/AD8185 family, optimized for selecting between two RGB (red, green, blue) video sources. It features TTL-compatible global input switching and output enable control, making it an excellent choice for various video processing systems.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| –3 dB Bandwidth (Small Signal) | VOUT = 200 mV p-p, RL = 150 Ω | 200 | 250 | 380 | MHz |
| –3 dB Bandwidth (Large Signal) | VOUT = 2 V p-p, RL = 150 Ω | 200 | 250 | 310 | MHz |
| Slew Rate | 2 V Step | 1000 | 1150 | V/μs | |
| Settling Time to 0.1% | 2 V Step, RL = 150 Ω | 15 | ns | ||
| Differential Gain Error | 0.01 | % | |||
| Differential Phase Error | 0.02 | Degrees | |||
| Channel-to-Channel Crosstalk | @ 100 MHz | –56 | dB | ||
| Quiescent Current | All Channels “ON” | 25 | 30 | mA | |
| Power Supply Operating Range | ±4.5 | ±5.5 | V |
Key Features
- Fully buffered inputs and outputs
- Fast channel-to-channel switching time of 15 ns
- High speed 380 MHz bandwidth (–3 dB) for small signals and 310 MHz for large signals
- High slew rates of 1000 V/μs and 1150 V/μs for G = +1 and G = +2 respectively
- Low power consumption of 25 mA
- Excellent video specifications including gain flatness of 0.1 dB to 90 MHz, differential gain error of 0.01%, and differential phase error of 0.02 degrees
- Low all-hostile and channel-to-channel crosstalk
- TTL-compatible global input switching and output enable control
Applications
- Video signal switching in RGB video systems
- Switching NTSC or PAL composite signals
- High-speed video processing systems
- Audio and video conferencing equipment
- Professional video equipment such as switchers and routers
Q & A
- What is the primary function of the AD8185ARU-REEL?
The AD8185ARU-REEL is a triple 2:1 multiplexer designed for switching video signals between two sources.
- What is the bandwidth of the AD8185ARU-REEL for small signal operations?
The bandwidth for small signal operations is up to 380 MHz (–3 dB) with a 150 Ω load resistance.
- How fast is the channel-to-channel switching time?
The channel-to-channel switching time is 15 ns.
- What are the slew rates for the AD8185ARU-REEL?
The slew rates are 1000 V/μs and 1150 V/μs for G = +1 and G = +2 respectively.
- What is the power consumption of the AD8185ARU-REEL?
The quiescent current is 25 mA when all channels are enabled.
- What are the key video specifications of the AD8185ARU-REEL?
The device features gain flatness of 0.1 dB to 90 MHz, differential gain error of 0.01%, and differential phase error of 0.02 degrees.
- What is the operating voltage range for the AD8185ARU-REEL?
The power supply operating range is ±4.5 V to ±5.5 V.
- Is the AD8185ARU-REEL suitable for NTSC or PAL composite signals?
Yes, it is optimized for switching NTSC or PAL composite signals.
- What is the package type of the AD8185ARU-REEL?
The AD8185ARU-REEL comes in a 24-TSSOP package.
- Where can I purchase the AD8185ARU-REEL?
The AD8185ARU-REEL is available from various electronic component distributors such as Digi-Key and HKin.com).
