MAX4617CUE+

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The MAX4617CUE+ is a universal switch amplification-circuit enable analog switch specially designed for low input capacitance. It features one on-board enable that can be controlled by a single digital input. This device is fabricated using low-voltage CMOS technology and is ideal for low power and low voltage applications. The MAX4617CUE+ provide superior ESD protection compared to other analog switches and comes in a tiny 2mm x 2mm TDFN package. It is also available in 3.3V or 5V logic versions.

The MAX4617CUE+ application field is mainly used in multi-channel data acquisition systems, switching multiple input signals to one common output circuit, and switching a single output from multiple sources. Each switch within the device has three input connections and one output connection. The switch is enabled when a logic high on the enable pin. When the switch is enabled, the signal applied on the input connection is routed to the output connection, and vice versa. When disabled, the switch presents very high impedance on both the input and output connections.

The working principle of the MAX4617CUE+ device is mainly based on the use of a single enable pin that controls the state of all switch channels simultaneously. The input signals are applied to the primary input pins, while the amplifier-circuit enabled switch is used to route the input signals to the output pins. When the device is disabled, all switches are opened and the output pins are in a high impedance state.

The device also features slew-rate control logic that reduces signal bouncing at the output pins when switching from a low signal to a high signal. This prevents any physical damage to the output pins such as insulation cracking, melted solder, and short-circuits. The device also protects internal circuits from over-voltage damage with a diode. The diode carries the current away from the input pins when the input voltage is greater than 5.5V. The device will also shut down if the supply voltage exceeds 5.5V.

The MAX4617CUE+ is a versatile analog switch that is suitable for a wide range of applications. It provides excellent ESD protection and low power consumption, making it an ideal choice for low voltage and low power applications. The device can be used in multi-channel data acquisition systems, switching multiple input signals to one common output circuit, and switching a single output from multiple sources.

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