NXP Semiconductors NX3L1G53GM,125
- Part No.:
- NX3L1G53GM,125
- Manufacturer:
- NXP Semiconductors
- Package:
- 8-XFQFN Exposed Pad
- Datasheet:
-
NX3L1G53GM,125.pdf
- Description:
- IC SWITCH SPDTX1 750MOHM 8XQFNU
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
NX3L1G53GM,125 from NXP Semiconductors is a low-ohmic SPDT analog switch configured as a 2:1 multiplexer/demultiplexer, featuring active-low enable (E), digital select (S), common port (Z), and dual independent ports (Y0/Y1). It delivers 0.5 Ω typical ON resistance at 2.7 V, supports 1.4–4.3 V supply, operates from −40 °C to +125 °C, and enables bidirectional signal routing up to VCC in portable audio and interface applications.
For engineers reviewing the NX3L1G53GM,125 datasheet, NX3L1G53GM,125 pinout, NX3L1G53GM,125 application, or NX3L1G53GM,125 equivalent, key selection criteria include its break-before-make switching behavior, <−90 dB OFF-state isolation at 100 kHz, 60 MHz −3 dB bandwidth, Schmitt-trigger inputs for noise immunity, and 350 mA continuous current handling under 3.3 V supply.
Technical Context
The NX3L1G53GM,125 implements CMOS-based transmission gate architecture with dual independent channel control via S and E inputs. Its Schmitt-trigger inputs accept TTL-level signals at 3.0 V and tolerate input voltages exceeding VCC, enabling robust interfacing with mixed-voltage systems.
Break-before-make timing is guaranteed by design (min 2 ns at 2.7–4.3 V), preventing momentary shorting between Y0 and Y1 during switching. The device maintains flat ON resistance (0.13 Ω typical at 2.7 V) and low charge injection (9 pC at 3.3 V), critical for precision analog signal routing in audio and sensor paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply voltage range | 1.4 V to 4.3 V - supports single-supply operation across Li-ion battery, 1.8 V logic, and 3.3 V system rails |
| ON resistance (typ) | 0.50 Ω at VCC = 2.7 V - ensures minimal insertion loss and signal attenuation in audio and data paths |
| ON resistance flatness (typ) | 0.13 Ω at VCC = 2.7 V - guarantees consistent channel performance across full signal swing (0 to VCC) |
| −3 dB bandwidth | 60 MHz - suitable for high-fidelity audio, USB 1.1, and low-speed serial interface signal routing |
| OFF-state isolation | −90 dB at 100 kHz - suppresses crosstalk between inactive channels in multi-source audio or sensor muxing |
| Enable/disable time (typ) | 15 ns / 4 ns at VCC = 3.6–4.3 V - enables fast channel reconfiguration in real-time signal path control |
| Operating temperature | −40 °C to +125 °C - qualified for automotive infotainment and industrial portable equipment environments |
Pinout & Package
The NX3L1G53GM,125 is housed in an XQFN8 package (SOT902-2): plastic, extremely thin quad flat package; no leads; 8 terminals; body 1.6 × 1.6 × 0.5 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Y0) | Independent input/output | First analog channel endpoint; bidirectional signal path connected when S = L and E = L |
| 2 (Y1) | Independent input/output | Second analog channel endpoint; selected when S = H and E = L; isolated from Y0 by break-before-make |
| 3 (S) | Select input | Digital control for channel selection (Y0 ↔ Z or Y1 ↔ Z); Schmitt-triggered for slow-edge tolerance |
| 4 (GND) | Ground reference | Primary 0 V return for switch core and logic; second GND terminal improves thermal and noise performance |
| 5 (GND) | Ground reference | Secondary ground terminal - must be connected to same PCB ground plane as Pin 4 for optimal EMI suppression |
| 6 (E) | Enable input (active LOW) | Global channel enable; HIGH disables both paths; Schmitt-triggered to reject noise on control line |
| 7 (Z) | Common input/output | Shared signal node; routes bidirectionally to Y0 or Y1 depending on S/E states; handles ±350 mA continuous |
| 8 (VCC) | Supply voltage | Power rail for analog switch and logic; accepts 1.4–4.3 V; decoupling capacitor required within 1 mm of this pin |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | Guaranteed >2 ns separation between Y0/Z and Y1/Z conduction - prevents signal shorting during channel transitions |
| ESD robustness | 8 kV IEC61000-4-2 contact discharge on switch ports - eliminates need for external protection in handheld interfaces |
| Input overvoltage tolerance | Control inputs accept VI up to VCC + 0.5 V - simplifies level-shifting in mixed-voltage SoC interconnects |
| Total harmonic distortion | 0.02 % at 20 Hz–20 kHz, VCC = 2.7 V - preserves audio fidelity in headphone and mic path switching |
| Charge injection | 9 pC at VCC = 3.3 V - minimizes voltage glitch on high-impedance sensor nodes during switching |
| CMOS low-power operation | 690 nA max ICC at VCC = 3.6 V - extends battery life in always-on portable media player functions |
Applications
| Smartphone Audio Routing | Portable Media Player Input Selection |
|---|---|
Use Scenario: Switching between stereo headset jack and mono speaker output in a smartphone while maintaining microphone path integrity. IC Role / Device Role / Timing Role: Bidirectional SPDT analog switch managing audio signal paths under software-controlled S/E logic with break-before-make timing. Use Value: 0.5 Ω ON resistance and <−90 dB isolation prevent audible crosstalk and volume loss; Schmitt-trigger inputs reject PCB noise during touchscreen interaction. |
Use Scenario: Selecting between line-in, FM radio tuner, and internal DAC outputs in a portable music player with shared headphone amplifier. IC Role / Device Role / Timing Role: Low-distortion 2:1 analog multiplexer enabling dynamic source switching without audible pop/click. Use Value: 0.02 % THD at 20 Hz–20 kHz and 60 MHz bandwidth preserve full audio spectrum fidelity; 350 mA current rating drives low-Z headphones directly. |
| PDA Touchscreen Interface Multiplexing | Industrial Handheld Data Logger Sensor Hub |
Use Scenario: Routing ADC input between resistive touchscreen panel and auxiliary analog sensors (e.g., ambient light, temperature) in a PDA. IC Role / Device Role / Timing Role: Precision analog switch providing low-offset, low-leakage signal path selection with sub-10 ns enable timing. Use Value: 500 nA max OFF-state leakage at 85 °C avoids measurement drift; 0.13 Ω ON resistance flatness ensures linear touchscreen response across full voltage range. |
Use Scenario: Multiplexing multiple analog sensor outputs (thermocouple, pressure transducer, humidity) into a single microcontroller ADC channel in a field-deployable logger. IC Role / Device Role / Timing Role: High-reliability SPDT switch operating across −40 °C to +125 °C with ESD-hardened ports for ruggedized enclosure interfaces. Use Value: 7.5 kV HBM ESD rating protects against operator handling discharge; wide temp range and 0.5 Ω RON ensure stable calibration across environmental extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Texas Instruments TS5A23157DCUR | Higher 0.9 Ω typical RON at 3.3 V; 5-pin SOT-23 package; no dual-GND pins | Limited to single-rail 1.65–5.5 V operation; lacks −40 °C to +125 °C extended temp grade | Prefer NX3L1G53GM,125 for space-constrained, high-temp, low-RON portable designs requiring dual ground paths |
| Analog Devices ADG858BRMZ-REEL7 | 0.4 Ω typical RON but only rated to +85 °C; 10-lead MSOP package; higher 15 pC charge injection | Not qualified for automotive or industrial extended-temperature use; larger footprint increases board area | Choose NX3L1G53GM,125 when operating beyond 85 °C or when minimizing PCB area and charge-induced glitches is critical |
Compared with TS5A23157DCUR and ADG858BRMZ-REEL7, the NX3L1G53GM,125 uniquely combines 0.5 Ω RON, −40 °C to +125 °C qualification, dual-GND thermal management, and 8 kV IEC ESD protection in a 1.6 × 1.6 mm XQFN8 package-making it optimal for compact, rugged, high-fidelity portable electronics.
Availability
NX3L1G53GM,125 is available at Aetrix Electronics and suitable for smartphone audio routing, portable media player input selection, PDA touchscreen interface multiplexing, and industrial handheld data logger sensor hub applications requiring stable component supply across extended temperature ranges and high-volume production cycles.
Supply support for NX3L1G53GM,125 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 electronics markets.
The NX3L1G53GM,125 belongs to NXP's NX3L low-voltage analog switch family, engineered specifically for ultra-low ON resistance and high signal integrity in battery-powered portable devices with stringent size and power constraints.
FAQ
What is the maximum continuous current rating for the NX3L1G53GM,125?
The NX3L1G53GM,125 supports ±350 mA continuous current per channel under 3.3 V supply conditions, as specified in Table 5 of the datasheet. This rating applies to bidirectional conduction between Z and either Y0 or Y1 when the switch is fully ON and ambient temperature remains within −40 °C to +125 °C. Peak pulsed current reaches ±500 mA at 1 ms duration and <10 % duty cycle.
Does the NX3L1G53GM,125 support operation below 1.4 V supply?
No, the NX3L1G53GM,125 is not characterized or guaranteed for operation below 1.4 V supply voltage. Table 6 explicitly defines the recommended operating range as 1.4 V to 4.3 V. Operation outside this range may result in undefined logic behavior, increased ON resistance, or failure to meet timing specifications such as enable/disable times or break-before-make guarantee.
How does the Schmitt trigger action benefit system design with the NX3L1G53GM,125?
The Schmitt trigger inputs on the S and E pins of the NX3L1G53GM,125 provide hysteresis that tolerates slow input rise/fall times and rejects noise on control lines. This eliminates the need for external RC filtering or debouncing circuits in noisy environments like handheld devices with mechanical switches or long PCB traces, improving reliability without adding bill-of-material cost or layout area.
Can the NX3L1G53GM,125 be used to route signals exceeding the VCC rail?
No, the NX3L1G53GM,125 cannot reliably route signals exceeding the VCC rail. Per Table 5, the maximum switch voltage (VSW) is limited to VCC + 0.5 V under clamping conditions, and recommended operation restricts VSW to 0–VCC (Table 6). Exceeding VCC risks forward-biasing internal ESD diodes, causing excessive current, latch-up, or permanent damage.
What is the significance of the dual GND pins (Pins 4 and 5) on the NX3L1G53GM,125?
The dual GND pins (Pins 4 and 5) on the NX3L1G53GM,125 reduce thermal resistance and improve high-frequency noise rejection by providing parallel low-inductance return paths. Both pins must be connected to the same solid ground plane on the PCB. This configuration lowers ground bounce during fast switching events and enhances THD performance in sensitive analog signal paths, especially at audio frequencies.
NX3L1G53GM,125 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 750mOhm
- Channel-to-Channel Matching (ΔRon):
- 20mOhm
- Voltage - Supply, Single (V+):
- 1.4V ~ 4.3V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 24ns, 8ns
- -3db Bandwidth:
- 60MHz
- Charge Injection:
- 15pC
- Channel Capacitance (CS(off), CD(off)):
- 35pF
- Current - Leakage (IS(off)) (Max):
- 10nA
- Crosstalk:
- -90dB @ 100kHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-XQFNU (1.6x1.6)
NX3L1G53GM,125 FAQ
1.How can I place an order for NX3L1G53GM,125 through Aetrix?
Please submit a Request for Quotation (RFQ) for NX3L1G53GM,125 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for NX3L1G53GM,125 reliable?
The price and inventory of NX3L1G53GM,125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NX3L1G53GM,125 is usually 5 days.
3.What payment methods are accepted for NX3L1G53GM,125?
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NX3L1G53GM,125 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NX3L1G53GM,125 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for NX3L1G53GM,125?
For technical support, including NX3L1G53GM,125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NX3L1G53GM,125 requirements.
6.How does Aetrix verify that NX3L1G53GM,125 is sourced from the original manufacturer or authorized distributors?
All NX3L1G53GM,125 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that NX3L1G53GM,125 meets industry standards.
7.What is the process for return or replacement of NX3L1G53GM,125?
All NX3L1G53GM,125 units undergo pre-shipment inspection (PSI). If there is an issue with NX3L1G53GM,125, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The NX3L1G53GM,125 part is unused and in its original packaging.
Return procedure for NX3L1G53GM,125:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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