NXP Semiconductors NX3L1T5157GMZ

Overview

NX3L1T5157GMZ from NXP Semiconductors is a low-ohmic single-pole double-throw (SPDT) analog switch designed for 2:1 multiplexer/demultiplexer functions in signal routing paths. It features 0.5 Ω typical ON resistance at 4.3 V supply, break-before-make switching, and supports 1.4 V to 4.3 V operation with 1.8 V logic-compatible control input - enabling direct interfacing with low-voltage controllers while switching up to 4.3 V analog signals in portable audio and sensor interfaces.

For engineers reviewing the NX3L1T5157GMZ datasheet, NX3L1T5157GMZ pinout, NX3L1T5157GMZ application, or NX3L1T5157GMZ equivalent, key selection criteria include its ultra-low R_ON flatness (0.13 Ω), ±350 mA continuous current rating, −40 °C to +125 °C temperature range, ESD robustness (8 kV IEC61000-4-2 contact), and XSON6 package compatibility with space-constrained PCB layouts.

Technical Context

The NX3L1T5157GMZ implements CMOS transmission-gate architecture with Schmitt-trigger digital input for noise immunity and tolerance to slow edge rates. Its control logic accepts voltages above V_CC, allowing 1.8 V signals to drive the S input even at 3.6 V supply without level translation.

Break-before-make timing is guaranteed by design (minimum 2 ns at 4.3 V), preventing momentary shorting between Y0 and Y1 during switching. Signal path integrity is maintained via low charge injection (15 pC max at 4.3 V), −90 dB OFF-state isolation, and 60 MHz −3 dB bandwidth across the full 1.4–4.3 V supply range.

Key Specifications

Pinout & Package

XSON6 (SOT886) plastic extremely thin small outline package; no leads; 6 terminals; body dimensions 1.0 × 1.45 × 0.5 mm; pin 1 indicator located on lower-left corner below marking code.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar analog switch applications.

Compared with TXS0102DCUR and ADG801BRMZ, the NX3L1T5157GMZ uniquely combines SPDT multiplexing, 1.4–4.3 V operation, −40 °C to +125 °C qualification, and sub-0.5 Ω R_ON in a 1.45 mm × 1.0 mm XSON6 package - making it optimal for compact, wide-temperature, high-fidelity analog routing in portable and industrial systems.

Availability

NX3L1T5157GMZ is available at Aetrix Electronics and suitable for portable media players, automotive infotainment head units, and industrial sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for NX3L1T5157GMZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and consumer applications.

The NX3L series targets ultra-low-power, high-performance analog signal routing in battery-powered and thermally constrained systems - with the NX3L1T5157GMZ optimized for space-sensitive designs needing minimal R_ON variation and robust ESD protection.

FAQ

What is the maximum analog signal voltage the NX3L1T5157GMZ can switch?

The NX3L1T5157GMZ supports analog signal amplitudes up to V_CC on all switch terminals (Y0, Y1, Z). With a maximum V_CC of 4.3 V, it can reliably switch signals from 0 V to 4.3 V. The absolute maximum switch voltage is V_CC + 0.5 V per datasheet Table 5, but operation beyond V_CC is not recommended for sustained use. The NX3L1T5157GMZ maintains this capability across its full −40 °C to +125 °C operating range.

Does the NX3L1T5157GMZ require external level-shifting when controlled by a 1.8 V microcontroller?

No, the NX3L1T5157GMZ does not require external level-shifting. Its digital select input (S) accepts 1.8 V logic levels even when V_CC is 3.6 V or higher, with VIH specified down to 1.3 V at V_CC = 2.7–3.6 V and 1.4 V at V_CC = 3.6–4.3 V. This feature is explicitly documented in Table 7 of the datasheet and eliminates the need for discrete level translators in mixed-voltage systems using the NX3L1T5157GMZ.

What is the thermal performance of the NX3L1T5157GMZ in the XSON6 package?

The NX3L1T5157GMZ in XSON6 (SOT886) package has a total power dissipation limit of 250 mW at ambient temperatures from −40 °C to +125 °C. Above 118 °C, P_tot derates linearly at 7.8 mW/K. Its compact 1.0 × 1.45 × 0.5 mm body and exposed pad-less construction rely on PCB copper area for heat spreading. Thermal resistance (R_θJA) is not explicitly published, but typical XSON6 packages achieve ~200 °C/W - meaning the NX3L1T5157GMZ remains within safe junction limits under its rated ±350 mA continuous current at room temperature.

How does the NX3L1T5157GMZ ensure signal integrity in audio applications?

The NX3L1T5157GMZ ensures audio signal integrity through three key parameters: (1) 0.5 Ω typical ON resistance and 0.13 Ω flatness minimize amplitude distortion across the audio band; (2) −90 dB OFF-state isolation at 100 kHz prevents crosstalk between adjacent channels; and (3) total harmonic distortion of 0.02 % at 2 V_p-p and 2.7–4.3 V supply (Table 12) preserves fidelity in headphone and line-out paths. These values are measured and guaranteed per the NX3L1T5157GMZ datasheet.

Is the NX3L1T5157GMZ suitable for automotive applications?

Yes, the NX3L1T5157GMZ is qualified for automotive applications. It is specified over −40 °C to +125 °C ambient temperature (Table 6), meets AEC-Q100 stress test requirements for ESD (CDM >1000 V), and supports the voltage and current demands of infotainment, telematics, and body control modules. While not explicitly labeled "automotive grade" in the part number, its datasheet-referenced qualification scope and robustness make it suitable for non-safety-critical automotive systems where the NX3L1T5157GMZ's performance parameters align with design requirements.