DG442CY

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DG442CY is a device that belongs to the interface family of analog switches, multiplexers, and demultiplexers. This device is a low-on-resistance quad single-pole double-throw (SPDT) switch integrated circuit. It can be used in applications such as analog multiplexing, frequency shifting, buffer splitting, and digital logic switching. The DG442CY offers an isolation voltage rating of up to 15 V and a low leakage current over a large range of OFF terminal voltages, making it suitable for a wide range of applications.

The DG442CY features an On Resistance (Ron) rating of 300Ω max at +5V and 200Ω max at +10V for single-channel operation and a Ron rating of 800Ω max at +5V and 400Ω max at +10V for dual-channel operation. The maximum off-state leakage current is 0.1 μA @ 5V, which is a very low number. The Ron flatness is also quite good with a maximum variation of ±30Ω over a range of supply voltages -8V to +15V.

The DG442CY is suitable for use in applying and switching the control signals in audio and video systems, as well as telephone systems. The device can provide switching of signals that range from low frequencies to high frequencies of up to 1MHz. The device also has a very fast channel-switching time of only 0.5 μs, which makes it suitable for use in high-speed applications. The DG442CY has a breakdown voltage of 20V, making it suitable for use in analog switching.

The working principle of DG442CY is very simple. It is composed of four independent switches controlled by a logic input. Each switch consists of a source and a drain terminal, which act as input and output paths for the signal to be switched. The logic input is used to control the on/off state of the switch. When the logic input is low, the switch is closed and the signal can pass through the source and drain terminals; when the logic input is high, the switch is opened and no signal can pass through the source and drain terminals.

The DG442CY is an easy-to-use device and is suitable for a variety of applications. The device is low cost and offers high-reliability performance. It can operate over a wide range of supply voltages, making it suitable for a variety of applications. With its low On-Resistance and fast switching speed, the DG442CY can be used in a variety of analog and digital systems.

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