NXP Semiconductors NX3L2T66GT,115
- Part No.:
- NX3L2T66GT,115
- Manufacturer:
- NXP Semiconductors
- Package:
- 8-XFDFN
- Datasheet:
-
NX3L2T66GT,115.pdf
- Description:
- IC SW SPST-NOX2 750MOHM 8XSON
- Quantity:
- Payment:

- Shipping:

Inventory:18,297
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Product details
Overview
NX3L2T66GT,115 from NXP Semiconductors is a dual low-ohmic SPST analog switch in XSON8 package, operating from 1.4 V to 4.3 V supply, with 0.5 Ω typical ON resistance at 4.3 V and ±350 mA continuous switch current. It enables bidirectional signal routing (nY ↔ nZ) for audio, data, and sensor paths in portable consumer devices.
For engineers reviewing the NX3L2T66GT,115 datasheet, NX3L2T66GT,115 pinout, NX3L2T66GT,115 application, or NX3L2T66GT,115 equivalent, key selection criteria include 1.8 V logic compatibility at 3.6 V VCC, Schmitt-trigger enable inputs for slow-edge tolerance, -40 °C to +125 °C operation, and ultra-low charge injection (≤6 pC) for precision sampling circuits.
Technical Context
The NX3L2T66GT,115 integrates two independent SPST switches, each with active-HIGH enable (nE), bidirectional analog conduction, and rail-to-rail signal handling up to VCC. Its CMOS architecture delivers low static current (≤7 μA at 1.8 V control, 3.6 V VCC) and high noise immunity via Schmitt-trigger inputs.
Switching performance is characterized by 11–32 ns enable/disable times across 1.4–4.3 V supply range, 60 MHz -3 dB bandwidth in ON-state, and -90 dB OFF-state isolation at 100 kHz - all specified over full industrial temperature range (-40 °C to +125 °C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.4 V to 4.3 V - supports direct interface with 1.8 V, 2.5 V, 3.3 V, and 4.3 V systems without level shifters |
| ON Resistance (typ) | 0.50 Ω at VCC = 4.3 V - ensures minimal voltage drop and power loss under 350 mA load |
| ON Resistance Flatness | 0.13 Ω max - maintains consistent signal amplitude across full input voltage swing (0 to VCC) |
| Enable Input Threshold | VIH = 1.4 V min at VCC = 4.3 V; VIL = 0.6 V max - allows reliable 1.8 V logic control even at full VCC |
| Charge Injection | ≤6 pC at VCC = 4.3 V - limits output voltage glitch in sample-and-hold or multiplexed ADC front-ends |
| ESD Robustness | HBM >7500 V, IEC61000-4-2 contact >4000 V - withstands handling and system-level ESD events without protection diodes |
| Operating Temperature | -40 °C to +125 °C - qualified for extended-temperature industrial and automotive-adjacent applications |
Pinout & Package
XSON8 package (SOT833-1): plastic extremely thin small outline, no leads, 8-terminal, body size 1.0 × 1.95 × 0.5 mm. Pin 1 indicator located on lower left corner below marking code.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5 | 1Y, 2Y | Independent analog I/O terminal per channel - bidirectional, rail-to-rail capable |
| 2, 6 | 1Z, 2Z | Independent analog I/O terminal per channel - paired with corresponding Y pin |
| 4 | GND | Ground reference (0 V) - common return for supply, logic, and analog paths |
| 7, 3 | 1E, 2E | Active-HIGH enable input per channel - Schmitt-triggered for noise immunity and slow-edge tolerance |
| 8 | VCC | Positive supply rail - powers analog switch core and logic interface; also defines signal voltage ceiling |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog switching | Signals from 0 V to VCC transmitted bidirectionally with <0.4 V dropout at 350 mA - eliminates clipping in audio and sensor interfaces |
| 1.8 V logic compatibility at 3.6 V VCC | VIH ≤1.3 V and VIL ≥0.5 V at VCC = 3.6 V - enables direct connection to 1.8 V microcontrollers without level translation |
| Ultra-low charge injection | ≤6 pC at VCC = 4.3 V - reduces hold-step error in precision sample-and-hold circuits and multiplexed ADCs |
| High OFF-state isolation | -90 dB at 100 kHz - prevents crosstalk between inactive channels in multi-signal routing applications |
| Low THD | ≤0.02 % at VCC = 2.7 V to 4.3 V, 20 Hz–20 kHz - preserves fidelity in audio path switching |
Applications
| Audio Signal Routing | USB Data Line Switching |
|---|---|
Use Scenario: Selecting between stereo headphone outputs and mono speaker output in smartphones. IC Role / Device Role / Timing Role: Dual SPST analog switch routing line-level audio signals with minimal distortion and zero DC offset. Use Value: 0.02 % THD and 0.13 Ω ON resistance flatness preserve audio clarity; -40 °C to +125 °C rating supports operation in thermally stressed handheld enclosures. |
Use Scenario: Sharing USB D+ and D− lines between host controller and peripheral IC in portable media players. IC Role / Device Role / Timing Role: Bidirectional 480 Mbps-capable signal switch enabling dynamic USB role reconfiguration. Use Value: 60 MHz -3 dB bandwidth exceeds USB 2.0 requirements; 35 pF load capacitance tolerance ensures signal integrity with standard PCB traces. |
| Sensor Multiplexing | Power-Rail Monitoring |
Use Scenario: Scanning multiple analog sensor outputs (e.g., temperature, ambient light) into a single ADC channel in wearables. IC Role / Device Role / Timing Role: Low-leakage analog multiplexer with sub-10 pC charge injection to minimize sampling error. Use Value: IS(OFF) ≤±10 nA at VCC = 4.3 V and 125 °C prevents measurement drift; Schmitt-trigger enables robust GPIO control from low-power MCU. |
Use Scenario: Isolating battery voltage monitoring circuitry from charging/discharging paths during fault conditions in power banks. IC Role / Device Role / Timing Role: High-current analog switch (350 mA continuous) routing VBAT to protection IC while blocking reverse current. Use Value: 0.5 Ω ON resistance minimizes voltage drop during monitoring; 4.6 V absolute max VSW rating accommodates transient battery spikes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TS5A23157DCUR | Single-supply 1.65–5.5 V; 0.9 Ω RON (typ) at 3.3 V; 8-pin VSSOP; no Schmitt trigger on EN | Lacks Schmitt-trigger enable and 1.8 V logic compatibility at 4.3 V - requires external hysteresis or level-shifting for noisy environments | Prefer NX3L2T66GT,115 when interfacing with 1.8 V controllers in space-constrained designs requiring guaranteed slow-edge tolerance. |
| ADG884BRMZ | Dual SPST; 0.55 Ω RON (typ) at 3 V; 10-pin MSOP; 1.8–5.5 V supply; no integrated ESD beyond HBM 2 kV | Lower ESD rating (HBM 2 kV vs. 7.5 kV); larger footprint; lacks IEC61000-4-2 certification for switch ports | Prefer NX3L2T66GT,115 for production-grade portable devices requiring certified 4 kV contact ESD robustness and XSON8 area efficiency. |
Compared with TS5A23157DCUR and ADG884BRMZ, the NX3L2T66GT,115 uniquely combines 1.8 V logic compatibility at full 4.3 V supply, 7.5 kV HBM/4 kV IEC ESD protection on switch ports, and 1.0 × 1.95 mm XSON8 footprint - making it optimal for miniaturized, high-reliability consumer electronics where board space and system-level ESD immunity are critical.
Availability
NX3L2T66GT,115 is available at Aetrix Electronics and suitable for portable media players, smartphone audio subsystems, and industrial sensor concentrators requiring stable component supply across extended temperature ranges.
Supply support for NX3L2T66GT,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 NX3L2T66 series is part of NXP's low-voltage analog switch portfolio, designed specifically for space-constrained portable electronics requiring rail-to-rail signal integrity, ultra-low power, and robust ESD performance without external protection components.
FAQ
What is the maximum continuous current rating for NX3L2T66GT,115?
The NX3L2T66GT,115 supports 350 mA continuous current per switch channel under 3.3 V supply, as specified in the datasheet Section 2 (Features and benefits). This rating applies across the full -40 °C to +125 °C operating temperature range and is validated with thermal derating per package power dissipation limits.
Does NX3L2T66GT,115 support bidirectional analog signal routing?
Yes, NX3L2T66GT,115 supports fully bidirectional analog signal routing between each Y and Z terminal pair (1Y↔1Z and 2Y↔2Z). The device has no intrinsic directionality - signal amplitude up to VCC can pass in either direction with identical ON resistance and flatness characteristics.
Can NX3L2T66GT,115 be controlled directly by a 1.8 V microcontroller when VCC = 3.6 V?
Yes, NX3L2T66GT,115 explicitly supports 1.8 V control logic at VCC = 3.6 V, as stated in Section 2. Its VIH threshold is ≤1.3 V and VIL is ≥0.5 V under those conditions - ensuring reliable HIGH/LOW recognition without level translation circuitry.
What is the ON resistance flatness specification for NX3L2T66GT,115?
The ON resistance flatness for NX3L2T66GT,115 is 0.13 Ω maximum at VCC = 2.7 V (Table 8), defined as the difference between peak and minimum RON across the full 0 V to VCC input voltage range. This ensures minimal signal distortion in audio and precision analog applications.
Is NX3L2T66GT,115 qualified for automotive applications?
No, NX3L2T66GT,115 is not automotive-qualified. Per Section 15.4 of the datasheet, NXP explicitly states that unless otherwise declared, products like NX3L2T66GT,115 are non-automotive qualified and not tested to AEC-Q100 standards - it is intended for industrial and consumer portable equipment.
NX3L2T66GT,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- 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):
- 28ns, 20ns
- -3db Bandwidth:
- 60MHz
- Charge Injection:
- 6pC
- 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-XSON, SOT833-1 (1.95x1)
NX3L2T66GT,115 FAQ
1.How can I place an order for NX3L2T66GT,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for NX3L2T66GT,115 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 NX3L2T66GT,115 reliable?
The price and inventory of NX3L2T66GT,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NX3L2T66GT,115 is usually 5 days.
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Once your NX3L2T66GT,115 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 NX3L2T66GT,115?
For technical support, including NX3L2T66GT,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NX3L2T66GT,115 requirements.
6.How does Aetrix verify that NX3L2T66GT,115 is sourced from the original manufacturer or authorized distributors?
All NX3L2T66GT,115 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 NX3L2T66GT,115 meets industry standards.
7.What is the process for return or replacement of NX3L2T66GT,115?
All NX3L2T66GT,115 units undergo pre-shipment inspection (PSI). If there is an issue with NX3L2T66GT,115, 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 NX3L2T66GT,115 part is unused and in its original packaging.
Return procedure for NX3L2T66GT,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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