NXP Semiconductors NX3L4053HR,115

Overview

NX3L4053HR,115 from NXP Semiconductors is a triple low-ohmic SPDT analog switch in HXQFN16 package, operating from 1.4 V to 4.3 V supply, delivering 0.5 Ω typical ON resistance at 4.3 V and supporting ±350 mA continuous switch current. It enables bidirectional signal routing in portable audio and data interface applications with break-before-make switching and 1.8 V logic compatibility.

For engineers reviewing the NX3L4053HR,115 datasheet, NX3L4053HR,115 pinout, NX3L4053HR,115 application, or NX3L4053HR,115 equivalent, key selection criteria include its 0.5 Ω R_ON at 4.3 V, -40 °C to +125 °C temperature range, HXQFN16 thermal-enhanced package, 1.8 V control logic tolerance, and ESD robustness exceeding 6 kV (IEC61000-4-2 contact).

Technical Context

The NX3L4053HR,115 implements three independent SPDT analog switches sharing a common active-low enable (E) input and Schmitt-trigger digital inputs for noise immunity. Each channel routes signals bidirectionally between common terminal (nZ) and either nY0 or nY1 based on select (nS) state.

Its CMOS architecture supports rail-to-rail analog signal transmission up to V_CC, with break-before-make timing guaranteed by design (≤9 ns at 4.3 V), and features input voltage tolerance beyond V_CC to eliminate level-shifting requirements when interfacing 1.8 V controllers with 4.3 V analog paths.

Key Specifications

Pinout & Package

HXQFN16 (SOT1039-2): plastic thermal enhanced extremely thin quad flat package; no leads; 16 terminals; body 3 × 3 × 0.5 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with NX3L2467HRZ, the NX3L4053HR,115 offers identical performance but faces EOL transition; versus TS5A3157DCKR, it delivers integrated triple-channel functionality, superior ESD robustness, and lower R_ON, justifying its use in compact, high-reliability portable systems.

Availability

NX3L4053HR,115 is available at Aetrix Electronics and suitable for smartphone audio routing, portable media player signal gating, analog multiplexing for sensor hubs, and digital multiplexing for I²C expansion requiring stable component supply across industrial and consumer production cycles.

Supply support for NX3L4053HR,115 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 markets.

The NX3L series targets ultra-low-power, high-performance analog signal routing in portable electronics, emphasizing rail-to-rail operation, logic-level flexibility, and robust ESD protection for battery-powered applications.

FAQ

What is the maximum analog signal voltage the NX3L4053HR,115 can switch?

The NX3L4053HR,115 supports analog signals from 0 V to V_CC, with V_CC rated up to 4.3 V. This allows bidirectional transmission of signals up to 4.3 V peak-to-peak without clipping or distortion, provided the switch voltage remains within the absolute maximum rating of V_CC + 0.5 V. The NX3L4053HR,115 maintains this capability across its full -40 °C to +125 °C operating range.

Does the NX3L4053HR,115 require external level-shifting when controlled by a 1.8 V microcontroller?

No, the NX3L4053HR,115 does not require external level-shifting. Its digital inputs accept voltages above V_CC and are specified for 1.8 V logic compatibility at V_CC = 3.6 V. The NX3L4053HR,115's Schmitt-trigger inputs tolerate slow rise/fall times and operate reliably with 1.8 V GPIOs even when V_CC is 4.3 V, eliminating translation circuitry.

What is the thermal performance difference between the HXQFN16 and TSSOP16 packages for the NX3L4053HR,115?

The NX3L4053HR,115 uses the HXQFN16 (SOT1039-2) package, which has a lower thermal resistance than TSSOP16. Its P_tot is rated at 250 mW with linear derating above 135 °C (16.9 mW/K), whereas TSSOP16 supports 500 mW but derates more aggressively above 60 °C (5.5 mW/K). The NX3L4053HR,115's HXQFN16 provides superior thermal dissipation in compact, high-density layouts despite its smaller footprint.

How does the break-before-make timing of the NX3L4053HR,115 prevent signal corruption?

The NX3L4053HR,115 guarantees break-before-make timing ≤9 ns at V_CC = 4.3 V, ensuring complete isolation between nY0 and nY1 before the alternate path closes. This prevents momentary shorts during channel transitions, avoiding signal crosstalk, ground bounce, or latch-up in sensitive analog paths. The NX3L4053HR,115 achieves this through internal timing control, not external circuitry.

Is the NX3L4053HR,115 suitable for audio applications requiring low total harmonic distortion?

Yes, the NX3L4053HR,115 is suitable for high-fidelity audio. At V_CC = 4.3 V and 2 V_pp input, THD is specified at ≤0.02 %, and its 0.5 Ω R_ON with 0.13 Ω flatness minimizes amplitude mismatch. The NX3L4053HR,115 also exhibits low charge injection (15 pC max) and high OFF-isolation (-90 dB), preserving signal integrity in headphone drivers and codec interfaces.