74LVC1G66GW Nexperia Integrated Circuit (SOT23 (5-Pin)) In Stock
Nexperia 74LVC1G66GW is a single-channel bilateral SPST analog switch in a 5-pin TSSOP package with 37 dB off-state isolation and a maximum on-resistance of 195 Ω. It operates from a 1.65 V to 5.5 V supply for logic-level analog signal routing. Available from stock with worldwide shipping.
- Manufacturer
- Nexperia
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- 74LVC1G66GW Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel SPST bilateral switch with 37 dB off-state isolation and 195 Ω maximum on-resistance for precise analog signal gating
- Wide supply range of 1.65 V to 5.5 V enables use across 1.8 V, 3.3 V, and 5 V digital and mixed-signal systems
- Compact 5-pin TSSOP package with a tiny PCB footprint suits space-constrained mobile, wearable, and IoT signal-routing circuits
Applications
74LVC1G66GW is used in analog multiplexing, audio signal switching, and sensor bus isolation circuits where a single low-voltage bilateral SPST switch is needed. Its 1.65 V to 5.5 V supply range and 5-pin TSSOP body make it ideal for mobile devices, wearable sensors, and IoT nodes that route analog signals between MCU ADC inputs and multiple analog sources on the same 3.3 V or 1.8 V rail.
Specifications
| YTEOL | 7.2 |
| Analog IC - Other Type | SPST |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Normal Position | NO |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Off-state Isolation-Nom | 37dB |
| On-state Resistance-Max (Ron) | 195Ω |
| Output | COMMON OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Signal Current-Max | 0.05A |
| Supply Current-Max (Isup) | 0.004mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.65V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Switch-off Time-Max | 13ns |
| Switch-on Time-Max | 15.5ns |
| Technology | CMOS |
| Terminal Finish | TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 74LVC1G66GW:
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Frequently Asked Questions
What on-resistance and off-state isolation does 74LVC1G66GW provide for analog signal routing?
74LVC1G66GW has a maximum on-resistance of 195 Ω and an off-state isolation of 37 dB. The 37 dB isolation limits signal bleed-through between the open switch terminals, while the 195 Ω on-resistance sets the insertion loss when the switch is closed, which designers must account for in analog signal chains where source impedance and load impedance affect accuracy.
Over what supply voltage range can 74LVC1G66GW operate, and which mixed-signal systems benefit from this range?
The 74LVC1G66GW operates from 1.65 V to 5.5 V, covering 1.8 V, 2.5 V, 3.3 V, and 5 V supply rails. This broad range lets a single part switch analog signals in IoT nodes running at 1.8 V, in industrial sensors at 3.3 V, and in legacy 5 V analog systems, reducing the need for multiple voltage-specific switch part numbers across a product family.
For a compact wearable sensor design, how does the 5-pin TSSOP package of 74LVC1G66GW compare to larger SOIC-8 analog switches?
The TSSOP-5 package occupies approximately 3 mm × 1.75 mm of PCB area, far smaller than a standard SOIC-8 switch at around 5 mm × 4 mm. For wearable and hearable devices where PCB area is often under 4 cm², using 74LVC1G66GW instead of an SOIC-8 analog switch saves over 14 mm² per placement, enabling tighter component packing without sacrificing the 37 dB isolation or 1.65 V–5.5 V operating range.
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