TS3A26746E - 2 X 2 Crosspoint Switch for Audio Applications

The TS3A26746E is a 2 × 2 cross-point switch that is used to interchange the Ground and MIC connections on a headphone connector. The Ground switch has an ultra low R_ON of <0.1Ω to minimize voltage drop across it, preventing undesired increases in headphone ground reference voltage. The switch state is controlled via the SEL input. When SEL=High, GND is connected to RING2 and MIC is connected to SLEEVE. When SEL=Low, GND is connected to SLEEVE and MIC is connected to RING2. An internal 100k pull-up resistor on the SEL input sets the default state of the switch.

• Ultra Low R_ON for GND Switch (80-mΩ typical)
• R_ON for MIC Switch <10-Ω
• 3.0V to 3.6V V+ Operation
• Control Input is 1.8-V Logic Compatible
• 6-bump, 0.5mm pitch CSP Package (1.45mm × 0.95mm × 0.5mm)
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Performance Tested Per JESD 22
  • 2000-V Human-Body Model (A114-B, Class II)
  • 500-V Charged-Device Model (C101)
• ESD Performance (SLEEVE, RING2)
  • ±8-kV Contact Discharge (IEC 61000-4-2)