The Intersil ISL84467 device is a low ON-resistance, low voltage, bidirectional, Quad SPDT (Dual DPDT) analog switch designed to operate from a single +1.65V to +4.5V supply. Targeted applications include battery powered equipment that benefit from low r_ON (0.39Ω) and fast switching speeds (t_ON = 33ns, t_OFF = 16ns). The digital logic input is 1.8V logic-compatible when using a single +3V supply. With a supply voltage of 4.2V and logic high voltage of 2.85V at both logic inputs, the part draws only 12μA max of ICC current.

Cell phones, for example, often face ASIC functionality limitations. The number of analog input or GPIO pins may be limited and digital geometries are not well suited to analog switch performance. This part may be used to "mux-in" additional functionality while reducing ASIC design risk. The ISL84467 is offered in small form factor package, alleviating board space limitations.

The ISL84467 consists of four SPDT switches. It is configured as a dual double-pole/double-throw (DPDT) device with two logic control inputs that control two SPDT switches each. The configuration can be used as a dual differential 2-to-1 multiplexer/demultiplexer.

• ON-Resistance (r_ON)
  • V+ = +4.3V 0.39Ω
  • V+ = +3.0V 0.45Ω
  • V+ = +1.8V 0.65Ω
• r_ON Matching Between Channels 0.05Ω
• r_ON Flatness Across Signal Range 0.05Ω
• Single Supply Operation +1.65V to +4.5V
• Low Power Consumption (PD) <0.68μW
• Fast Switching Action (V+ = +4.3V)
  • t_ON 33ns
  • t_OFF 16ns
• Break-Before-Make
• 1.8V Logic Compatible (+3V supply)
• Low ICC Current when VinH is not at the V+ Rail
• Available in 16 Ld 3x3 TQFN and 16 Ld TSSOP Packages
• ESD HBM Rating
  • COM Pins 9kV
  • All Other Pins 6kV
• Pb-Free (RoHS Compliant)

• Battery-Powered, Handheld, and Portable Equipment
  • Cellular/Mobile Phones
  • Pagers
  • Laptops, Notebooks, Palmtops
• Portable Test and Measurement
• Medical Equipment
• Audio and Video Switching