XS3A1T5157GSH

Overview

The Nexperia XS3A1T5157GSH is a low-ohmic single-pole double-throw (SPDT) analog switch designed for use as an analog or digital 2:1 multiplexer/demultiplexer. It features a digital select input (S), two independent inputs/outputs (Y1 and Y2), and a common input/output (Z). The device operates on a single supply voltage ranging from 1.4 V to 4.3 V with a maximum power dissipation of 250 mW. It supports continuous switch DC current up to 350 mA and offers a typical ON resistance of 0.5 Ω at 2.7 V. The component functions within an ambient temperature range of -40 °C to +125 °C.

Feature Summary

• Schmitt trigger action at the digital input provides tolerance to slower input rise and fall times, allowing operation with 1.8 V logic levels in 3.3 V applications without significant supply current increase.
• Break-before-make switching ensures signal integrity during channel transitions.
• High noise immunity and CMOS low-power consumption characteristics.
• ESD protection exceeds 8000 V for HBM and IEC61000-4-2 contact discharge standards.

Applications

• Mobile phone
• Tablet / Notebook
• Wearables

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature range. The 'GS' suffix corresponds to the XSON6 SOT1202 package variant. Confirm RoHS compliance status and ensure the selected part matches the required operating temperature specifications for the intended design environment.

Selection Notes

Select this component when a low ON resistance and high current handling capability are required for signal routing in portable devices. Ensure the control logic voltage levels align with the device's low-switching threshold capabilities. Verify that the application does not exceed the absolute maximum ratings for supply voltage or switch clamping current to prevent permanent damage.

Part Context

The XS3A1T5157GSH belongs to the Nexperia XS3A1T5157 series of low-ohmic SPDT analog switches. This series is engineered for space-constrained designs requiring efficient signal multiplexing. The GSH designation indicates the specific reel packaging configuration for the GS package version, distinguishing it from other variants like the GM package.

Replacement Considerations

Consult the official Nexperia datasheet for direct pin-compatible alternatives within the same product family. Verify functional equivalence regarding ON resistance, supply voltage range, and package dimensions before substitution.

FAQ

Can the XS3A1T5157GSH switch signals up to VCC?

Yes, the device allows signals with amplitude up to VCC to be transmitted from Z to Y1 or Y2, or from Y1 or Y2 to Z.

What is the latch-up performance rating?

Latch-up performance exceeds 100 mA per JESD78 Class II Level A.

Does the device require logic level translation for 1.8 V controllers?

No, the low threshold digital input allows the device to be driven by 1.8 V logic levels in 3.3 V applications without significant increase in supply current, eliminating the need for logic level translation.