Overview
The AD8185ARUZ-REEL, produced by Analog Devices Inc., is a high-speed, triple 2:1 multiplexer designed for various high-frequency applications. This component is part of the AD8183/AD8185 series, with the AD8185 specifically offering a gain of +2. It is optimized for selecting between two RGB (red, green, blue) video sources and is suitable for switching NTSC or PAL composite signals. The device features fully buffered inputs and outputs, fast channel-to-channel switching, and high slew rates, making it ideal for professional video and LCD multiplexing.
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, G = +2 | 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° | ° | |||
| All-Hostile Crosstalk | ƒ = 5 MHz | -84 | dB | ||
| Channel-to-Channel Crosstalk | ƒ = 100 MHz | -56 | dB | ||
| Quiescent Current | All Channels “ON” | 25 | 30 | mA | |
| Power Supply Range | ±4.5 | ±5.5 | V |
Key Features
- Fully buffered inputs and outputs
- Fast channel-to-channel switching time of 15 ns
- High speed bandwidth: up to 380 MHz for small signals and 310 MHz for large signals
- High slew rates: 1000 V/μs (G = +1) and 1150 V/μs (G = +2)
- Excellent video specifications: 0.1 dB gain flatness to 90 MHz, 0.01% differential gain error, and 0.02° differential phase error
- Low all-hostile and channel-to-channel crosstalk
- Low power consumption: 25 mA on ±5 V supply
- TTL-compatible global input switching and output enable control
Applications
The AD8185ARUZ-REEL is ideal for various high-speed applications, including:
- Professional video switching and multiplexing
- LCD multiplexing
- Switching NTSC or PAL composite signals
- High-frequency signal routing in audio and video systems
Q & A
- What is the primary function of the AD8185ARUZ-REEL?
The AD8185ARUZ-REEL is a high-speed, triple 2:1 multiplexer designed for selecting between two RGB video sources or other high-frequency signals. - What is the bandwidth of the AD8185ARUZ-REEL?
The device has a -3 dB bandwidth of up to 380 MHz for small signals and 310 MHz for large signals. - What is the slew rate of the AD8185ARUZ-REEL?
The slew rate is 1150 V/μs for a gain of +2. - How much power does the AD8185ARUZ-REEL consume?
The device consumes less than 25 mA on a ±5 V supply. - What are the key video specifications of the AD8185ARUZ-REEL?
The device features 0.1 dB gain flatness to 90 MHz, 0.01% differential gain error, and 0.02° differential phase error. - What is the channel-to-channel switching time of the AD8185ARUZ-REEL?
The channel-to-channel switching time is 15 ns. - Is the AD8185ARUZ-REEL suitable for NTSC or PAL composite signals?
Yes, it is optimized for switching NTSC or PAL composite signals. - What is the power supply range for the AD8185ARUZ-REEL?
The power supply range is ±4.5 V to ±5.5 V. - What is the all-hostile crosstalk of the AD8185ARUZ-REEL?
The all-hostile crosstalk is -84 dB at 5 MHz and -54 dB at 50 MHz. - What is the package type of the AD8185ARUZ-REEL?
The device is available in a 24-lead TSSOP package.
