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