STG3680QTR

Switch Time (Ton, Toff) (Max):	50ns, 30ns
Base Part Number:	STG3680
Supplier Device Package:	16-QFN (3x3)
Package / Case:	16-VFQFN Exposed Pad
Operating Temperature:	-55°C ~ 125°C (TA)
Crosstalk:	-54dB @ 100kHz
Current - Leakage (IS(off)) (Max):	10nA
Channel Capacitance (CS(off), CD(off)):	5pF
Charge Injection:	35pC
-3db Bandwidth:	50MHz
Series:	--
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	1.65 V ~ 4.3 V
Channel-to-Channel Matching (ΔRon):	60 mOhm
On-State Resistance (Max):	800 mOhm
Number of Circuits:	2
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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STG3680QTR Application Field and Working Principle

The STG3680QTR is an integrated high-voltage analog switch/multiplexer/demultiplexer from STMicroelectronics designed for automotive applications. Classified under Interface - Analog Switches, Multiplexers, Demultiplexers, this device is well-suited for a variety of networks, from automotive systems and digital broadcast receivers to portable multimedia and industrial systems.The device is based on a high-voltage single-supply CMOS process which enables it to operate up to −60V and +30V with respect to the ground. The integrated solution provides significant savings in board area and surge protection. The STG3680QTR is qualified to AEC-Q100 and has an operating temperature range of −40°C to 150°C.The device is capable of multiplexing and demultiplexing signals up to 16-bit data, and allows users to reduce the number of components used for high-speed data transmission. Its multiplexing part allows serial switching of HV signals, while its demultiplexing part supports daisy-chain connection and reduces the number of pins required.The low-on resistance of the device ensures minimal voltage drop and minimal added noise when used with high-speed signals. The device features built-in protection with pins configured to keep the switch open in case of failure, thus ensuring the inrush current of the supply voltage is not exceeded. The state of the switch is indicated by an LED on the board.The architecture of the device is split into two separate sections (comprising of the multiplexer and demultiplexer) that can be connected together or used in isolation depending on the application\'s needs.The device allows simultaneous switching or selecting up to 16-bits of data and allows for the transmission of data through its internal resistive and capacitive characteristics.In addition, the device allows users to configure the bias resistance value by reducing Bias1, which increases the capacitance. It can be configured to operate as an inverter for data transmission, providing support for TTL and CMOS logic levels.The device is highly configurable, allowing users to choose from multiple control options, including an external control pin, and several internal logic control pins. The input structure of the device is designed to provide enhanced noise immunity and low cross-talk for noise-sensitive applications.In conclusion, the STG3680QTR offers a comprehensive, reliable solution for automotive applications requiring a high-voltage single-supply CMOS device with integrated multiplexer/demultiplexer and is qualified to AEC-Q100 industry standards. With its low-on resistance and built-in protection features, it is ideal for high-speed data and noise-sensitive applications such as automotive systems, digital broadcast receivers and industrial systems.

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