MAX4939

Octal High-Voltage Transmit/Receive Switches

Integrated T/R Switches Significantly Reduce Component Count While Reducing Power

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Part Details

  • Low Power: Low Impedance (5Ω) with 1.5mA Bias Current Only
  • Low Noise < 0.5nV/√Hz (typ) with 1.5mA Bias Current Only
  • Wide -3dB Bandwidth 65MHz (typ)
  • Easy Programming with SPI Interface
  • High Density (8 Channels per Package)
  • Grass-Clipping Diodes with Low-Voltage Isolation (MAX4936/MAX4938)
  • Output Clamp Diodes for Receiver Protection (MAX4936/MAX4937)
  • Global Shutdown Control (CLR)
  • Each T/R Switch Can Be Individually Programmed On or Off
  • Low-Voltage Receive Path with High-Voltage Protection
  • Space-Saving, 5mm x 11mm, 56-Pin TQFN Package
MAX4939
Octal High-Voltage Transmit/Receive Switches
MAX4936, MAX4937, MAX4938, MAX4939: Functional Diagram
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Hardware Ecosystem

Parts Product Life Cycle Description
Analog Switches Multiplexers 1
MAX4940 PRODUCTION Dual/Quad, Unipolar/Bipolar, High-Voltage Digital Pulsers
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