Overview
The AD8170ARZ-R7, produced by Analog Devices Inc., is a high-performance analog multiplexer with an integrated high-speed current feedback amplifier. This device is part of the AD8170 series, which includes 2:1 multiplexers designed for high-speed signal routing and multiplexing applications. The AD8170ARZ-R7 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) and is RoHS compliant.
The device features fully buffered inputs and outputs, ensuring high signal integrity and low distortion. It is particularly suited for applications requiring fast channel switching, high output drive, and flexible gain settings via external resistors.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| -3 dB Bandwidth (Small Signal) | 250 MHz | VO = 50 mV rms, RL = 100 Ω |
| -3 dB Bandwidth (Large Signal) | 100 MHz | VO = 1 V rms, RL = 100 Ω |
| Rise and Fall Time (10% to 90%) | 1.6 ns | 2 V Step |
| Slew Rate | 1000 V/µs | 2 V Step |
| Settling Time to 0.1% | 15 ns | 2 V Step |
| Output Voltage Swing | ±4.0 V to ±4.26 V | RL = 1 kΩ, TMIN–TMAX |
| Output Current | 50 mA | RL = 10 Ω |
| Power Supply Operating Range | ±4 V to ±6 V | |
| Power Supply Rejection Ratio (+PSRR) | 58 dB to 66 dB | +VS = +4.5 V to +5.5 V, –VS = –5 V |
Key Features
- Fully buffered inputs and outputs for high signal integrity.
- Fast channel switching time of 10 ns.
- Internal current feedback output amplifier with flexible gain setting via external resistors.
- High output drive capability of 50 mA.
- High speed 250 MHz bandwidth and 1000 V/µs slew rate.
- Low power consumption of less than 10 mA.
- Excellent video specifications, including 0.02% differential gain error and 0.05° differential phase error.
- Low crosstalk of –78 dB @ 5 MHz and high disable/shutdown isolation.
- Fast output disable feature and shutdown feature reducing power to 1.5 mA (specific to AD8174 model but relevant to the series).
Applications
- Pixel switching for “Picture-In-Picture” LCD and plasma displays.
- Video routers and video switching applications.
- High-speed signal routing and multiplexing in various electronic systems.
Q & A
- What is the primary function of the AD8170ARZ-R7?
The AD8170ARZ-R7 is a high-speed analog multiplexer with an integrated current feedback amplifier, designed for fast signal routing and multiplexing.
- What is the bandwidth of the AD8170ARZ-R7?
The device has a –3 dB bandwidth of 250 MHz for small signal inputs.
- How fast is the channel switching time of the AD8170ARZ-R7?
The channel switching time is 10 ns.
- What is the maximum output current of the AD8170ARZ-R7?
The device can deliver up to 50 mA of output current.
- What is the power supply operating range for the AD8170ARZ-R7?
The device operates within a power supply range of ±4 V to ±6 V.
- Does the AD8170ARZ-R7 have any specific features for video applications?
Yes, it has excellent video specifications, including low differential gain and phase errors, and high isolation in disable and shutdown modes.
- What package type is the AD8170ARZ-R7 available in?
The device is packaged in an 8-pin SOIC (Small Outline Integrated Circuit).
- Is the AD8170ARZ-R7 RoHS compliant?
Yes, the AD8170ARZ-R7 is RoHS compliant.
- What are some typical applications of the AD8170ARZ-R7?
Typical applications include pixel switching for “Picture-In-Picture” displays, video routers, and high-speed signal routing.
- How does the AD8170ARZ-R7 handle crosstalk and isolation?
The device has low crosstalk of –78 dB @ 5 MHz and high disable/shutdown isolation of up to –92 dB @ 5 MHz.
