概览

优势和特点

  • Design with Wide Signal Range
    • Wide ±25V Analog Input Signal Range
    • Single 3.0V to 5.5V Supply Voltage
    • 1.62V to 5.5V Flexible Logic Input Levels
  • High Performance Analog Switch
    • 2.5Ω (max) On-Resistance at +85°C
    • 18mΩ (typ) On-Resistance Flatness
    • ±100nA (max) On-Leakage Current at +85°C for MAX14774
    • ±200nA (max) On-Leakage Current at +85°C for MAX14779
    • ±200mA (max) Continuous Current Through Each Switch
    • Short Circuit Protection on Each Switch
    • 147MHz (typ) Signal Bandwidth for MAX14774
  • Small 4mm x 4mm 20-Pin TQFN Package
  • -40°C to +125°C Operating Temperature Range

产品详情

The MAX14774 quad SPST and the MAX14779 dual SPDT Beyond-The-Rails switches support switching analog signals of up to ±25V using a single 3.0V to 5.5V supply. The MAX14774 is a quad SPST switch configuration with four EN_ control inputs, and the MAX14779 is a dual SPDT switch configuration with two EN_ and two S_ control inputs. Both the MAX14774 and MAX14779 have a flexible 1.62V to 5.5V CMOS logic interface.

The switches feature 2.5Ω (max) on-resistance and 18mΩ (typ) flatness at 85°C. The MAX14774 has a low on-leakage current of ±100nA (max) while the MAX14779 has ±200nA (max) at 85°C. The switches maintain the performance over the entire common-mode voltage range to maximum signal integrity. Each device can carry up to 200mA (max) of continuous current in either direction while operating from -40°C to +125°C.

Applications

  • ATE Systems
  • Switching Full Speed USB, CAN, RS-232/485, TTL, Audio
  • Instrumentation Systems

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