ADG793A

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I2C®-Compatible, Wide Bandwidth, Triple 3:1 Multiplexer

数据手册 (Rev. 0) 产品选型表
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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概述

  • Bandwidth: 195 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 (5V Supply, 75Ω Load)
  • Low Quiescent Supply Current: 1 nA Typical
  • Fast Switching Times
    tON 185 ns
    tOFF 181 ns
  • I2C-Compatible Interface
  • Compact 24-lead LFCSP

The ADG793A/ADG793G is a monolithic CMOS device comprising three 3:1 multiplexer/demultiplexers controllable via a standard I2C serial interface. The CMOS process provides ultralow power dissipation yet gives high switching speed and low on resistance.

The on-resistance profile is very flat over the full analog input range, and the wide bandwidth ensures excellent linearity and low distortion. These features, combined with a wide input signal range, make the ADG793A/ADG793G the ideal switching solution for a wide range of TV applications, including RGB and YPbPr video switches.

The switches conduct equally well in both directions when on. In the off condition, signal levels up to the supplies are blocked. The ADG793A/ADG793G switches exhibit break-before-make switching action. The ADG793G has two general-purpose logic output pins controllable through the I2C interface, which can be used 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. It has three user-settable I2C address pins that allow the user to connect up to eight devices to the same bus to build larger switching arrays.

The ADG793A/ADG793G operates from a single 3 V or 5 V supply voltage and is available in a compact, 4 mm × 4 mm body, 24-lead, lead free chip scale package (LFCSP).


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

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    ADG793A
    I2C®-Compatible, Wide Bandwidth, Triple 3:1 Multiplexer
    973278985ADG793A-fbl ADG793A-pc
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    应用笔记 2

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