ST STG5682 Low-voltage Dual SPDT Switch with Negative Rail Capability
Summary
The STG5682 is a high-speed, low-voltage CMOS dual analog switch/multiplexer ideal for portable electronics operating between 1.65V and 4.5V. Featuring ultra-low power dissipation, negative rail capability, and robust ESD protection, this device ensures reliable signal switching in battery-powered systems. This manual serves as the definitive technical guide, detailing comprehensive electrical characteristics, maximum ratings, recommended operating conditions, and complete pin connection diagrams for system design engineers.
Page 1 Text Content
STG5682
Low voltage dual SPDTswitch with negative rail capability
Features Distortion-free negative signal throughput down to VCC-5.5V Wide operating voltage range: VCC (Opr) = 1.65V to 4.5V single supply Ultra low power dissipation: ICC = 0.2µA (Max.) at t A = 85°C
QFN16L (2.6mm x 1.8mm)
Low "ON" resistance VIN = 0V: RON = 0.5Ω (max. t A = 25°C) at VCC = 4.3V 4.3V tolerant and 1.8V compatible threshold on digital control input at VCC = 1.65 to 3.0V Latch-up performance exceeds 300m A (JESD 17) ESD performance exceeds JESD22 2000-V human-body model (A114-A)
Description The STG5682 is a high-speed CMOS low voltage dual analog S.P.D.T. (Single Pole Dual Throw) SWITCH or 2:1 Multiplexer /Demultiplexer Switch fabricated in silicon gate C2MOS technology. It is designed to operate from 1.65V to 4.5V, making this device ideal for portable applications. Additional key features are fast switching speed, Break Before Make Delay Time and Ultra Low Power Consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage.
Table 1. Device summary
Order code Package Packaging
STG5682QTR QFN16L (2.6mm x 1.8mm) Tape and reel
July 2007 Rev 3 1/16
www.st.com
Page Summary Contents For ST STG5682 Low-voltage Dual SPDT Switch with Negative Rail Capability
Manual Details
| Brand | Dual |
|---|---|
| Pages | 16 |
| File Size | 219.30 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
What voltage range does the STG5682 operate optimally in?
The device operates from 1.65V to 4.5V using a single supply CC.
Can this switch handle negative voltages on signals?
Yes, it provides distortion-free negative signal throughput down to V-5.5V CC.
What is the typical power consumption of the component?
It features ultra low power dissipation, specified at 0.2µA (Max.) at 85°C CC.
Does the device protect against electrical surges?
All inputs and outputs are equipped with protection circuits providing ESD immunity and transient excess voltage handling.