NXP Semiconductors NX3L4357GM,132

Overview

NX3L4357GM,132 from NXP Semiconductors is a low-ohmic single-pole triple-throw (SP3T) analog switch configured as a 3:1 multiplexer/demultiplexer with active-low enable (E), dual select inputs (S0/S1), broadcast mode, and operation across 1.4 V to 4.3 V supply. It delivers 0.50 Ω typical ON resistance at 4.3 V, supports 1.8 V logic control in 3.3 V systems, and handles ±350 mA continuous current - enabling signal routing in portable audio and interface subsystems.

For engineers reviewing the NX3L4357GM,132 datasheet, NX3L4357GM,132 pinout, NX3L4357GM,132 application, or NX3L4357GM,132 equivalent, key selection criteria include its break-before-make switching, −40 °C to +125 °C temperature rating, 0.13 Ω ON-resistance flatness, Schmitt-trigger digital inputs for noise immunity, and IEC61000-4-2 ESD robustness on switch ports.

Technical Context

The NX3L4357GM,132 implements a CMOS transmission-gate architecture with integrated decoder logic for 3-channel selection and broadcast mode (S0=S1=HIGH routes Z to Y0/Y1/Y2 simultaneously). Its Schmitt-trigger inputs tolerate slow edge rates up to 200 ns/V and accept input voltages exceeding VCC, eliminating level shifters in mixed-voltage designs.

It features break-before-make timing guaranteed by design (as low as 2 ns at 4.3 V), supports bidirectional signal flow up to VCC amplitude, and maintains <±100 nA OFF-state leakage at 125 °C - critical for low-power portable applications where signal integrity and quiescent current must coexist.

Key Specifications

Pinout & Package

Package: XQFN10 (SOT1049-3), plastic extremely thin quad flat package, 2.0 × 1.55 × 0.5 mm body, no leads, wettable flanks.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TS3A44159RSVR and ADG774ACRZ-REEL7, the NX3L4357GM,132 uniquely combines broadcast mode, 1.4 V minimum supply, and 0.13 Ω RON flatness in a 2.0 × 1.55 mm XQFN - making it optimal for space-constrained, multi-rail portable systems requiring simultaneous signal distribution.

Availability

NX3L4357GM,132 is available at Aetrix Electronics and suitable for smartphone audio routing, portable media player interface, and industrial sensor hub applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for NX3L4357GM,132 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 specializing in secure connectivity solutions for automotive, industrial, and consumer electronics, with leadership in analog, interface, and power management ICs.

The NX3L4357GM,132 belongs to NXP's NX3L low-voltage analog switch family, designed specifically for energy-efficient portable devices requiring rail-to-rail signal switching, minimal power consumption, and robust ESD performance in ultra-thin form factors.

FAQ

What is the maximum signal voltage the NX3L4357GM,132 can switch?

The NX3L4357GM,132 supports bidirectional analog signal transmission with amplitude up to VCC on all ports (Z, Y0, Y1, Y2). At VCC = 4.3 V, it reliably switches signals from 0 V to 4.3 V. Exceeding VCC + 0.5 V risks damage per absolute maximum ratings - so the practical maximum signal swing equals the applied supply voltage. This rail-to-rail capability makes the NX3L4357GM,132 ideal for battery-powered systems where supply voltage defines dynamic range.

Does the NX3L4357GM,132 support broadcast mode, and how is it activated?

Yes, the NX3L4357GM,132 supports broadcast mode: when both S0 and S1 are driven HIGH while E is LOW, the signal applied to Z is simultaneously routed to Y0, Y1, and Y2. This is confirmed in Table 4 (Function Table) of the datasheet and enables single-source fanout - such as driving an alert tone to multiple speakers or distributing a calibration reference to three sensor channels. The NX3L4357GM,132 implements this behavior via internal decoder logic without external components.

Can the NX3L4357GM,132 be controlled directly by a 1.8 V microcontroller in a 3.3 V system?

Yes, the NX3L4357GM,132 accepts 1.8 V logic levels on S0, S1, and E inputs even when VCC = 3.6 V, with no significant increase in ICC. Its low-threshold Schmitt-trigger inputs ensure reliable recognition of 1.8 V HIGH and <0.5 V LOW states across temperature. This eliminates level-shifting circuitry, simplifies interconnect, and reduces BOM cost - a key advantage explicitly cited in the General Description section of the NX3L4357GM,132 datasheet.

What is the thermal performance of the NX3L4357GM,132 at +125 °C ambient?

At +125 °C ambient, the NX3L4357GM,132 maintains ≤0.9 Ω maximum ON resistance (Table 8), <±200 nA OFF-state leakage (Table 7), and ≤50 ns enable/disable times (Table 9). Its total power dissipation is rated at 250 mW with linear derating above 132 °C (14.1 mW/K). These parameters are fully specified across −40 °C to +125 °C, confirming suitability for under-hood automotive modules and industrial edge controllers where thermal margin is critical.

How does the NX3L4357GM,132 handle ESD events on its switch terminals?

The NX3L4357GM,132 provides 6 kV contact discharge ESD protection per IEC61000-4-2 on all switch ports (Y0/Y1/Y2/Z), in addition to 7.5 kV HBM and 1 kV CDM ratings. This is achieved through integrated clamping diodes referenced to VCC and GND. Unlike basic HBM-rated devices, this IEC-level protection ensures survivability during final assembly, field service, and end-user handling - a requirement explicitly validated and documented in Section 2 (Features and benefits) of the NX3L4357GM,132 product data sheet.