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Product Detailed Parameters
- Description：IC SWITCH SPDT X 2 500MOHM 10DFN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：500mOhm
- Channel-to-Channel Matching (ΔRon)：100mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：55ns, 30ns
- -3db Bandwidth：55MHz
- Charge Injection：49pC
- Channel Capacitance (CS(off), CD(off))：5pF
- Current - Leakage (IS(off)) (Max)：20nA
- Crosstalk：-72dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-UFDFN Exposed Pad
- Supplier Device Package：10-DFN (2.3x2)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The STG3684ADTR is a dual analog switch manufactured by STMicroelectronics, housed in a QFN-10 surface-mount package. It features two Single Pole Double Throw (SPDT) channels with a maximum on-resistance of 500 mOhms. The device operates on a single supply voltage ranging from 1.65 V to 4.3 V and supports a maximum power dissipation of 1.12 W. Switching performance includes a maximum turn-on time of 55 ns and a maximum turn-off time of 30 ns. The component functions within an operating temperature range of -40°C to +85°C and draws a maximum supply current of 50 nA.
Feature Summary
- Dual SPDT configuration for signal routing
- Low on-resistance for minimal signal loss
- Ultra-low power consumption suitable for portable devices
Applications
- Portable consumer electronics
- Battery-powered instrumentation
- Signal multiplexing in low-voltage systems
Procurement Notes
Verify the specific suffix 'D' against official STMicroelectronics documentation to confirm the industrial temperature grade (-40°C to +85°C). Confirm the package type matches the required QFN-10 footprint. Check current lifecycle status as availability may vary. Ensure ESD handling protocols are followed during assembly due to CMOS construction.
Selection Notes
Select this component when a dual-channel SPDT switch is required for low-voltage applications. The 500 mOhm on-resistance suits general-purpose signal switching rather than high-current loads. Verify that the 1.65 V minimum supply voltage aligns with the system's power rails. Consider the QFN-10 package constraints for PCB layout and thermal management.
Part Context
This part belongs to the STG3684A series of low-voltage analog switches. It shares functional similarities with other members like the STG3682 but differs in specific electrical parameters such as on-resistance and bandwidth. The series is designed for portable applications requiring efficient power management and compact packaging solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided data. Consult STMicroelectronics for direct replacements or cross-reference with similar dual SPDT switches ensuring matching voltage ranges and package dimensions.
