Overview
The AD8185ARUZ, produced by Analog Devices Inc., is a high-speed, triple 2:1 multiplexer designed for various high-frequency applications. This device is part of the AD8183 and AD8185 series, with the AD8185 offering a gain of +2. It is optimized for selecting between two RGB (red, green, blue) video sources and is suitable for professional video and RGB multiplexing.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| –3 dB Bandwidth (Small Signal) | VOUT = 200 mV p-p, RL = 150 Ω | 200 | 380 | 320 | MHz |
| –3 dB Bandwidth (Large Signal) | VOUT = 2 V p-p, RL = 150 Ω | 200 | 310 | 300 | 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 | 0.01 | % | |||
| Differential Phase | 0.02 | Degrees | |||
| Channel-to-Channel Crosstalk | RTI @ 100 MHz | –56 | dB | ||
| OFF Isolation | @ 10 MHz | –100 | dB | ||
| Supply Voltage | 4.5 | 5 | 5.5 | V | |
| Package | 24-TSSOP (0.173, 4.40mm Width) |
Key Features
- Fully buffered inputs and outputs
- Fast channel-to-channel switching: 15 ns
- High speed with 380 MHz bandwidth (–3 dB) for small signals and 310 MHz for large signals
- High slew rates: 1000 V/μs and 1150 V/μs for G = +1 and G = +2 respectively
- Low power consumption: 25 mA
- 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 crosstalk and high “OFF” isolation
- High impedance output disable feature for connecting multiple devices
Applications
- Pixel switching for “Picture-In-Picture” applications
- Switching RGB in LCD and plasma displays
- RGB video switchers and routers
- Professional video and RGB multiplexing
- NTSC or PAL composite signal switching
Q & A
- What is the AD8185ARUZ used for? The AD8185ARUZ is used for high-speed video multiplexing, particularly in applications requiring the switching of RGB video sources.
- What is the bandwidth of the AD8185ARUZ? The AD8185ARUZ 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? The slew rate is 1000 V/μs for G = +1 and 1150 V/μs for G = +2.
- What is the power consumption of the AD8185ARUZ? The device consumes 25 mA of power.
- What are the key video specifications of the AD8185ARUZ? It includes 0.1 dB gain flatness to 90 MHz, 0.01% differential gain error, and 0.02° differential phase error.
- What is the package type of the AD8185ARUZ? The device is packaged in a 24-TSSOP (0.173, 4.40mm Width).
- What are some common applications of the AD8185ARUZ? Common applications include pixel switching, RGB video switching in LCD and plasma displays, and professional video multiplexing.
- How does the AD8185ARUZ handle crosstalk and isolation? It features low all-hostile crosstalk and high “OFF” isolation of –100 dB at 10 MHz.
- Can the AD8185ARUZ be used in multiple device configurations? Yes, it has a high impedance output disable feature for connecting multiple devices.
- What is the operating temperature range of the AD8185ARUZ? The operating temperature range is –40°C to 85°C.
