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The Intersil ISL54066 device is a low ON-resistance, high off-isolation, low voltage, dual single-pole/single-throw (SPST) analog switch. It was designed to operate from a single +1.8V to +6.5V supply and can pass signals that swing down to 6.5V below the positive supply rail. Targeted applications include battery powered equipment that benefit from low r_ON (1Ω), high off-isolation (80dB) and fast switching speeds (t_ON = 40ns, t_OFF = 30ns). The digital logic input is 1.8V logic-compatible when using a single +3V supply.

The ISL54066 incorporates a T-switch architecture. This approach results in excellent signal off-isolation while retaining a low impedance signal path when switches are ON. The ISL54066 is offered in small form factor packages, alleviating board space limitations. The ISL54066 is available in 10Ld µTQFN and TDFN packages.

The ISL54066 is a dual single-pole/single-throw (SPST) normally open (NO) switch with independent logic control.

Key Features

• Pb-free (RoHS Compliant)
• Negative Signal Swing (Max 6.5V Below V+)
• T-switch Architecture
• ON-Resistance (rON)
  • V+ = +4.5V: 1Ω
  • V+ = +4.3V: 1Ω
  • V+ = +2.7V: 1.5Ω
  • V+ = +1.8V: 3Ω
• rON Matching Between Channels: 10mΩ
• rON Flatness Across Signal Range: 0.2Ω
• Single Supply Operation: +1.8V to +6.5V
• Low Power Consumption @ 3V (PD): 60nW
• Fast Switching Action (V+ = +4.3V)
  • tON: 40ns
  • tOFF: 30ns
• ESD HBM Rating: >6kV
• 1.8V Logic Compatible (+3V Supply)
• Low I+ Current when VinH is not at the V+ Rail
• Available in 10 Ld µTQFN and 10 Ld 3x3 TDFN

Applications

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