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Maxim产品 - MAX4578介绍

MAX4578 - 高压、单8选1/双4选1，带有校准的多路复用器

MAX4578是Maxim美信半导体公司的一款保护器产品，MAX4578是高压、单8选1/双4选1，带有校准的多路复用器，本站介绍了MAX4578的封装应用图解、特点和优点、功能等，并给出了与MAX4578相关的Maxim元器件型号供参考。

MAX4578 - 高压、单8选1/双4选1，带有校准的多路复用器 - 保护器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX4578/MAX4579 are high-voltage, 8-channel CMOS multiplexers. The MAX4578 and dual 4-channel MAX4579 are ideal for precision ADC calibration and system self-monitoring applications. These calibration multiplexers (cal-muxes) have precision resistor-dividers to generate accurate voltage ratios from an input reference voltage. The reference ratios include 15/4096 and 4081/4096 of the external reference voltage, accurate to 15 bits, and 1/2(V+) and 5/8(V+ - V-), accurate to 8 bits. The external reference voltage as well as ground can also be switched to the output. The MAX4578/MAX4579 have enable inputs and address latching. All digital inputs have 0.8V and 2.4V logic thresholds, ensuring both TTL- and CMOS-logic compatibility when using a single +12V or dual ±15V supplies. Protection diodes at all inputs provide >2kV ESD rating.

The MAX4578/MAX4579 operate from a single +4.5V to +36V supply or from dual supplies of ±4.5V to ±20V. On-resistance (350Ω max) is matched between switches to 15Ω max. Each switch can handle Rail-to-Rail analog signals. The off-leakage current is 20pA at TA = +25°C and 1.25nA at TA = +85°C.

The MAX4578/MAX4579 are available in small 20-pin SSOP, SO, and DIP packages.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • On-Chip Gain and Offset Divider Networks Provide 15-Bit Accurate Output Ratios
  • On-Chip V+ to GND and V+ to V- Divider Networks Provide 8-Bit Accurate Output Ratios
  • 350Ω (max) RON
  • 12Ω (max) RON Matching Between Channels
  • 10pC (max) Charge Injection
  • Guaranteed 20pA Off-Leakage Current
  • Rail-to-Rail Signal Handling
  • Small 20-Pin SSOP, SO, DIP Packages
    • 热门应用
  • 音频信号切换
  • 航空电子
  • 数据采集
  • 网络
  • 测试设备
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