STMicroelectronics

STG3699AUTR

STG3699AUTR Description

The STG3699AUTR is a high-performance, 4-channel Single-Pole Double-Throw (SPDT) analog switch designed by STMicroelectronics. This device is ideal for applications requiring low on-state resistance and high-speed switching capabilities. The STG3699AUTR features a maximum on-state resistance (Ron) of 450mOhm, ensuring minimal power loss and high efficiency. It operates within a wide supply voltage range of 1.65V to 4.3V, making it suitable for a variety of power supply configurations.

The STG3699AUTR also boasts a low leakage current of 20nA, which is crucial for maintaining signal integrity and reducing power consumption in low-power applications. The device's channel-to-channel matching (ΔRon) is 60mOhm, ensuring consistent performance across all channels. Additionally, the STG3699AUTR has a low channel capacitance (CS(off), CD(off)) of 5pF, which helps in maintaining high signal fidelity and reducing signal distortion.

The switch time (Ton, Toff) is maximized at 55ns and 30ns respectively, enabling rapid switching between channels without compromising signal quality. The device also features a -3dB bandwidth of 50MHz, making it suitable for high-frequency applications. The STG3699AUTR is packaged in a 16QFN format, which is ideal for surface mount applications and ensures robust mechanical and thermal performance.

STG3699AUTR Features

• Low On-State Resistance: The STG3699AUTR has a maximum on-state resistance (Ron) of 450mOhm, ensuring minimal power loss and high efficiency.
• Wide Supply Voltage Range: Operates within a wide supply voltage range of 1.65V to 4.3V, making it suitable for various power supply configurations.
• Low Leakage Current: Features a low leakage current (IS(off)) of 20nA, crucial for maintaining signal integrity and reducing power consumption.
• Channel Matching: The channel-to-channel matching (ΔRon) is 60mOhm, ensuring consistent performance across all channels.
• Low Channel Capacitance: The channel capacitance (CS(off), CD(off)) is 5pF, which helps in maintaining high signal fidelity and reducing signal distortion.
• High-Speed Switching: The switch time (Ton, Toff) is maximized at 55ns and 30ns respectively, enabling rapid switching between channels.
• High Bandwidth: Features a -3dB bandwidth of 50MHz, making it suitable for high-frequency applications.
• Surface Mount Packaging: Packaged in a 16QFN format, ideal for surface mount applications and ensuring robust mechanical and thermal performance.
• Compliance: The STG3699AUTR is REACH unaffected and RoHS3 compliant, ensuring environmental and safety standards are met.

STG3699AUTR Applications

The STG3699AUTR is ideal for a variety of applications due to its high performance and versatility. Some specific use cases include:

• Audio Signal Routing: The low on-state resistance and high bandwidth make it suitable for routing audio signals in high-fidelity audio systems.
• Video Signal Switching: The high-frequency capabilities and low channel capacitance ensure minimal signal distortion, making it ideal for video signal switching applications.
• Medical Equipment: The low leakage current and high reliability make it suitable for medical devices where signal integrity and low power consumption are critical.
• Telecommunications: The high-speed switching and wide bandwidth make it ideal for telecommunication applications requiring rapid signal switching.
• Automotive Systems: The robust packaging and wide supply voltage range make it suitable for automotive applications where reliability and performance are paramount.

Conclusion of STG3699AUTR

The STG3699AUTR is a high-performance analog switch that offers a combination of low on-state resistance, low leakage current, and high-speed switching capabilities. Its wide supply voltage range and surface mount packaging make it suitable for a variety of applications, from audio and video signal routing to medical and automotive systems. The device's compliance with REACH and RoHS3 standards ensures it meets environmental and safety requirements. Despite being marked as obsolete, the STG3699AUTR remains a reliable choice for applications requiring high performance and reliability.