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Product Detailed Parameters
- Description：IC SWITCH SPDT X 4 500MOHM 16QFN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：500mOhm
- Channel-to-Channel Matching (ΔRon)：60mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：50ns, 30ns
- -3db Bandwidth：50MHz
- Charge Injection：35pC
- Channel Capacitance (CS(off), CD(off))：5pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-54dB @ 100kHz
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-VFQFN Exposed Pad
- Supplier Device Package：16-QFN (3x3)
- Number of Circuits：4
- Grade：-
- Qualification：-
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Overview
The STG3699QTR is a quad analog single-pole double-throw (SPDT) switch manufactured by STMicroelectronics. It operates on a single supply voltage ranging from 1.65 V to 4.3 V and features an ultra-low on-resistance of less than 0.5 Ω at 3.0 V. The device provides four independent channels with break-before-make switching capabilities, ensuring signal integrity during transitions. It includes protection circuits against electrostatic discharge and transient voltages, supporting high-speed operation with typical propagation delays of 1.5 ns. The component is housed in a compact QFN package suitable for portable applications.
Feature Summary
- Quad SPDT configuration with independent channel control
- Ultra-low on-resistance below 0.5 ohms at 3.0 V supply
- Break-before-make switching mechanism for signal integrity
- Integrated ESD and transient voltage protection
Applications
- Portable electronic devices requiring low power consumption
- Signal routing in battery-operated systems
- Multiplexer and demultiplexer implementations
- High-speed data line switching
Procurement Notes
Verify the specific suffix 'QTR' against official datasheets to confirm reel packaging and tape specifications. Ensure compatibility with industrial temperature ranges if required. Cross-reference RoHS compliance status with current environmental declarations. Confirm availability through authorized distributors as stock levels fluctuate. Validate pinout configurations against schematic requirements before integration.
Selection Notes
Select this component when low on-resistance and high bandwidth are critical for signal fidelity. Consider the 1.65 V to 4.3 V operating range for compatibility with various logic levels. Evaluate the QFN package size for space-constrained designs. Compare propagation delay specifications against system timing requirements. Assess power dissipation limits under maximum load conditions.
Part Context
This part belongs to the STG3699 series of low-voltage analog switches. It shares architectural similarities with other members like the STG3699A and STG3699B but may differ in packaging or specific electrical tolerances. The series is designed for portable applications where power efficiency and signal integrity are paramount. Understanding the broader family helps in identifying compatible alternatives within the same product line.
Replacement Considerations
The STG3699AUTR is a documented variant within the same series. Verify pin compatibility and electrical parameters before substitution. Check for differences in package dimensions and thermal characteristics. Ensure that any replacement meets the same voltage and current ratings.
