Low-Ohmic Single-Pole Double-Throw Analog Switch

NX3L1T5157

The NX3L1T5157 is a low–ohmic single–pole double–throw analog switch suitable for use as an analog or digital 2:1 multiplexer/demultiplexer. It has a digital select input (S), two independent inputs/outputs (Y0 and Y1) and a common input/output (Z).

Schmitt trigger action at the digital input makes the circuit tolerant to slower input rise and fall times. Low threshold digital input allows this device to be driven by 1.8 V logic levels in 3.3 V applications without significant increase in supply current ICC. The NX3L1T5157 allows signals with amplitude up to VCC to be transmitted from Z to Y0 or Y1, or from Y0 or Y1 to Z. Its low ON resistance (0.5 Ω) and flatness (0.13 Ω) ensures minimal attenuation and distortion of transmitted signals.

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Features

  • Wide supply voltage range from 1.4 V to 4.3 V
  • Very low ON resistance (peak):
    • 1.6 Ω (typical) at VCC = 1.4 V
    • 1.0 Ω (typical) at VCC = 1.65 V
    • 0.55 Ω (typical) at VCC = 2.3 V
    • 0.50 Ω (typical) at VCC = 2.7 V
    • 0.50 Ω (typical) at VCC = 4.3 V
  • High noise immunity
  • ESD protection:
    • HBM JESD22– A114F Class 3A exceeds 7500 V
    • MM JESD22– A115– A exceeds 200 V
    • CDM AEC– Q100– 011 revision B exceeds 1000 V
    • IEC61000– 4– 2 contact discharge exceeds 8000 V for switch ports
  • CMOS low– power consumption
  • Latch– up performance exceeds 100 mA per JESD 78 Class II Level A
  • 1.8 V control logic at VCC = 3.6 V
  • Control input accepts voltages above supply voltage
  • Very low supply current, even when input is below VCC
  • High current handling capability (350 mA continuous current under 3.3 V supply)
  • Specified from – 40 °C to +85 °C and from – 40 °C to +125 °C

Target Applications

  • Cell phone
  • PDA
  • Portable media player

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