AD8185:  310 MHz, 25 mA, Triple 2:1, Buffered (Gain = +2) Multiplexer

The AD8183 (G = +1) and AD8185 (G = +2) are high speed Triple 2-to-1 multiplexers. They offer -3 dB full signal bandwidth up to 360 MHz along with slew rate in excess of 1000 V/µs. With better ...More

AD8185:  310 MHz, 25 mA, Triple 2:1, Buffered (Gain = +2) Multiplexer

Product Description

The AD8183 (G = +1) and AD8185 (G = +2) are high speed Triple 2-to-1 multiplexers. They offer -3 dB full signal bandwidth up to 360 MHz along with slew rate in excess of 1000 V/µs. With better than -72 dB of all hostile crosstalk and 100 dB of isolation, they are useful in many high speed applications. The differential gain and differential phase error of 0.01% and 0.02°, along with 0.1 dB flatness to 90 MHz make AD8183 and AD8185 ideal for professional video and LCD multiplexing. They offer 15 ns switching time making them an excellent choice for switching video signals, while consuming less than 25 mA on ±5 V supply voltage.

Features

  • Fully Buffered Inputs and Outputs
  • Fast Channel-to-Channel Switching: 15 ns
  • High Speed
    380 MHz Bandwidth (-3 dB) 200 mV p-p
    310 MHz Bandwidth (-3 dB) 2 V p-p
    1000 V/µs Slew Rate G = +1, 2 V Step
    1150 V/µs Slew Rate G = +2, 2 V Step
    Fast Settling Time of 15 ns to 0.1%
  • Low Power: 25 mA
  • Excellent Video Specifications (RL = 150 Ω)
    Gain Flatness of 0.1 dB to 90 MHz
    0.01% Differential Gain Error
    0.02° Differential Phase Error
  • Low All-Hostile Crosstalk:
    -84 dB @ 5 MHz
    -54 dB @ 50 MHz
  • Low Channel-to-Channel Crosstalk
    -56 dB at 100 MHz
  • High "OFF" Isolation of -100 dB @ 10 MHz
  • Low Cost

Diagram

AD8185 Diagram
Functional Block Diagram for AD8185

Specifications

Sw/Mx Function x # (2:1) x 3
Interface Type Parallel
Available Packages SOP
Max Analog Signal Range ±1.5V
Ron (Ohms) n/a
Ron Match (Ohms) n/a
Cs (OFF) n/a
Cs, Cd (ON) n/a
Off Isolation (-dB) 100dB
Bandwidth 320MHz

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