Overview
The AD8185ARU, produced by Analog Devices Inc., is a high-speed triple 2:1 multiplexer. This component is part of the AD8183 and AD8185 series, which are designed for high-speed applications requiring precise signal switching. The AD8185, specifically, has a gain of +2, making it suitable for various video and RGB multiplexing tasks. It features fully buffered inputs and outputs, ensuring high signal integrity and minimal distortion.
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 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 | ||
| OFF Isolation | ƒ = 10 MHz | –100 | dB |
Key Features
- Fully buffered inputs and outputs for high signal integrity.
- Fast channel-to-channel switching time of 15 ns.
- High speed with a bandwidth of up to 380 MHz (–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 differential gain error of 0.01% and differential phase error of 0.02°.
- Low all-hostile and channel-to-channel crosstalk.
- High “OFF” isolation of –100 dB at 10 MHz.
- Low power consumption of 25 mA.
- 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.
- Switching NTSC or PAL composite signals.
Q & A
- What is the bandwidth of the AD8185ARU?
The AD8185ARU 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 AD8185ARU?
The slew rate of the AD8185ARU is 1150 V/μs for a 2 V step.
- What is the settling time of the AD8185ARU?
The settling time to 0.1% is 15 ns for a 2 V step with RL = 150 Ω.
- What are the differential gain and phase errors of the AD8185ARU?
The differential gain error is 0.01%, and the differential phase error is 0.02°.
- What is the crosstalk performance of the AD8185ARU?
The AD8185ARU has low all-hostile crosstalk of –84 dB at 5 MHz and channel-to-channel crosstalk of –56 dB at 100 MHz.
- What is the power consumption of the AD8185ARU?
The power consumption is 25 mA.
- What are the typical applications of the AD8185ARU?
Typical applications include pixel switching, RGB video switching, and professional video multiplexing.
- What is the package type of the AD8185ARU?
The AD8185ARU is available in a 24-pin TSSOP package.
- Is the AD8185ARU RoHS compliant?
Yes, the AD8185ARU is lead-free and RoHS compliant.
- What is the input voltage range of the AD8185ARU?
The input voltage range is ±3.0 V.
