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ADG792A:  I2C-Compatible, Wide Bandwidth, Triple 4:1 Multiplexer

The ADG792A/ADG792G is a monolithic CMOS device comprising three 4:1 multiplexer/demultiplexers that are controllable through a standard I2C serial interface. The CMOS process provides ultralow power dissipation yet delivers high switching speed and low on resistance.

The on resistance profile is very flat over the full analog input range, and wide bandwidth ensures excellent ...More

ADG792A:  I2C-Compatible, Wide Bandwidth, Triple 4:1 Multiplexer

Product Description

The ADG792A/ADG792G is a monolithic CMOS device comprising three 4:1 multiplexer/demultiplexers that are controllable through a standard I2C serial interface. The CMOS process provides ultralow power dissipation yet delivers high switching speed and low on resistance.

The on resistance profile is very flat over the full analog input range, and wide bandwidth ensures excellent linearity and low distortion. These features, combined with a wide input signal range, make the ADG792A/ADG792G the ideal switching solution for a wide range of TV applications, including RGB and YPbPr video switches.

When turned on, the switches conduct equally well in both directions. In the off condition, signal levels, up to the supplies, are blocked. The ADG792A/ADG792G switches exhibit breakbefore-make switching action. The ADG792G also has two general-purpose logic output pins controllable through the I2C interface to control other non-I2C-compatible devices, such as video filters. The integrated I2C interface provides a large degree of flexibility in the system design. To build larger switching arrays, the user can set the three I2C address pins allowing as many as eight devices to connect to the same bus.

The ADG792A/ADG792G operates from a single 3 V or 5 V supply voltage and is available in a compact 4 mm × 4 mm body, 24-lead, Pb-free, LFCSP package.


Applications
  • RGB/YPbPr Video Switches
  • HDTV
  • Projection TV
  • DVD-R/RW
  • AV Receiver

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    EVALUATION BOARDS & DEVELOPMENT KITS

    • Bandwidth: 190 MHz
    • Low Insertion Loss and On Resistance: 2.6 Ω Typical
    • On Resistance Flatness: 0.3 Ω Typical
    • Single 3 V/5 V Supply Operation
    • 3.3 V Analog Signal Range (5 V Supply, 75 Ω Load)
    • Low Quiescent Supply Current: 1 nA Typical
    • Fast Switching Times
      tON 185 ns
      tOFF 181 ns
    • I2C-Compatible Interface
    • Compact 24-lead LFCSP

    Functional Block Diagram for ADG792A

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