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Product Detailed Parameters
- Description：IC SWITCH SPDT X 2 550MOHM 16QFN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：550mOhm
- Channel-to-Channel Matching (ΔRon)：15mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：80ns, 50ns
- -3db Bandwidth：33MHz
- Charge Injection：46pC
- Channel Capacitance (CS(off), CD(off))：6pF
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-60dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-UFQFN
- Supplier Device Package：16-QFN (2.6x1.8)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The STG5683QTR is a low-voltage dual single-pole double-throw (SPDT) analog switch manufactured by STMicroelectronics. It operates on a single supply voltage ranging from 1.65 V to 4.5 V, making it suitable for portable and battery-powered applications. The device features two independent channels with a maximum on-resistance of 550 Ohms. Electrical performance includes a maximum turn-on time of 80 ns and a maximum turn-off time of 50 ns. The component supports a maximum power dissipation of 1.12 W and draws a maximum supply current of 50 nA. It functions within an operating temperature range of -40°C to +85°C and is housed in a QFN-16 surface-mount package.
Feature Summary
- Dual SPDT configuration providing independent signal routing capabilities
- Low voltage operation compatible with modern portable electronics
- High-speed switching with nanosecond transition times
Applications
- Portable consumer electronics requiring signal path management
- Battery-operated devices utilizing low voltage supplies
- General purpose analog signal switching in compact form factors
Procurement Notes
Verify component authenticity through authorized distribution channels due to the presence of counterfeit risks in the market. Confirm that the received units match the specific QFN-16 package dimensions and marking codes defined in the official datasheet. Ensure storage conditions adhere to moisture sensitivity levels specified for leadless packages to prevent soldering defects during assembly.
Selection Notes
Select this component when designing circuits that require dual signal paths under 4.5 V supply constraints. Evaluate the 550 Ohm on-resistance against the application's signal integrity requirements to ensure acceptable voltage drop. Consider the QFN-16 footprint availability in the target PCB layout compared to alternative pin-count packages if space is limited.
Part Context
This part belongs to the STG5683 series of low-voltage analog switches designed for high-density integration. The series focuses on minimizing power consumption while maintaining reliable switching performance in small footprints. It serves as a solution for managing multiple signals in systems where traditional mechanical relays or larger ICs are impractical due to size or power limitations.
Replacement Considerations
Check for direct cross-references within the STMicroelectronics portfolio that share identical pinouts and electrical specifications. Verify compatibility with existing board layouts before substituting with components from other manufacturers, as package dimensions may differ.
