PRODUCT DESCRIPTION

The AD8170(2:1) and AD8174(4:1) are very high speed buffered multiplexers. These multiplexers offer an internal current feedback output amplifier whose gain can be programmed via external resistors and is capable of delivering 50 mA of output current. They offer –3 dB signal bandwidth of 250 MHz and slew rate of greater than 1000 V/µs. Additionally, the AD8170 and AD8174 have excellent video specifications with low differential gain and differential phase error of 0.02 and 0.05° and 0.1 dB flatness out to 80 MHz. With a low 78 dB of crosstalk and better than 88 dB isolation, these devices are useful in many high speed applications. These are low power devices consuming only 9.7 mA from a ±5 V supply.

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 Resistor(s)

High Speed

250 MHz Bandwidth, G = +2

1000 V/μs Slew Rate

Fast Settling Time of 15 ns to 0.1

Low Power: < 10 mA

Excellent Video Specifications (RL = 150 Ω, G = +2)

Gain Flatness of 0.1 dB Beyond 80 MHz

0.02 Differential Gain Error

0.05° Differential Phase Error

Low Crosstalk of –78 dB @ 5 MHz

High Disable Isolation of –88 dB @ 5 MHz

High Shutdown Isolation of –92 dB @ 5 MHz

Low Cost

Fast Output Disable Feature for Connecting Multiple

Devices (AD8174 Only)

Shutdown Feature Reduces Power to 1.5 mA (AD8174 Only)

APPLICATIONS

Pixel Switching for “Picture-In-Picture”

LCD and Plasma Displays

Video Routers

参考价格：39.8752

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