Overview
The AD8174ARZ-R7 is a high-speed, 4:1 multiplexer with an integrated current feedback output amplifier, manufactured by Analog Devices Inc. This device is part of the AD8170/AD8174 series, known for their fast channel switching and excellent video specifications. The AD8174 is particularly useful in applications requiring high-speed signal processing and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Bandwidth | - | 250 | - | MHz |
| Slew Rate | - | 1000 | - | V/µs |
| Channel Switching Time | - | 10 | - | ns |
| Settling Time (0.1%) | - | 15 | - | ns |
| Output Current | - | 50 | - | mA |
| Power Supply Range | ±4 | - | ±6 | V |
| Power Consumption | - | 9.7 | - | mA |
| Differential Gain Error | - | 0.02% | - | - |
| Differential Phase Error | - | 0.05° | - | - |
| Crosstalk | - | -78 | - | dB @ 5 MHz |
| Disable Isolation | - | -88 | - | dB @ 5 MHz |
| Shutdown Isolation | - | -92 | - | dB @ 5 MHz |
Key Features
- Fully buffered inputs and outputs
- Fast channel switching: 10 ns
- Internal current feedback output amplifier
- High output drive: 50 mA
- Flexible gain setting via external resistors
- High speed: 250 MHz bandwidth, G = +2
- Low power consumption: < 10 mA
- Excellent video specifications: Gain flatness of 0.1 dB beyond 80 MHz, 0.02% differential gain error, 0.05° differential phase error
- Low crosstalk and high isolation: -78 dB crosstalk, -88 dB disable isolation, -92 dB shutdown isolation
- Fast output disable feature for connecting multiple devices (AD8174 only)
- Shutdown feature reduces power to 1.5 mA (AD8174 only)
Applications
The AD8174 is suitable for various high-speed applications, including:
- Pixel switching for “Picture-In-Picture” LCD and plasma displays
- Video routers
- High-speed signal processing in video and audio systems
Q & A
- What is the bandwidth of the AD8174?
The AD8174 has a bandwidth of 250 MHz. - How fast is the channel switching time of the AD8174?
The channel switching time is 10 ns. - What is the slew rate of the AD8174?
The slew rate is greater than 1000 V/µs. - What is the maximum output current of the AD8174?
The maximum output current is 50 mA. - What is the power supply range for the AD8174?
The power supply range is ±4 V to ±6 V. - How much power does the AD8174 consume?
The AD8174 consumes less than 10 mA of power. - What are the differential gain and phase errors of the AD8174?
The differential gain error is 0.02%, and the differential phase error is 0.05°. - Does the AD8174 have a shutdown feature?
Yes, the AD8174 has a shutdown feature that reduces power consumption to 1.5 mA when not in use. - What is the crosstalk and isolation performance of the AD8174?
The crosstalk is -78 dB @ 5 MHz, the disable isolation is -88 dB @ 5 MHz, and the shutdown isolation is -92 dB @ 5 MHz. - In what packages is the AD8174 available?
The AD8174 is available in 14-lead SOIC packages.
