MAX4764EUB+

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The MAX4764EUB+ is a specialized analog switch designed for use in applications across multiple industries, including medical, automotive, communication systems and more. This switch, produced by Maxim Integrated Products, is a single-pole/double-throw (SPDT) device, with a low insulation resistance. It can be activated by conventional signals from a logic component, as well as signals from a high voltage source. It is an ideal switch for providing power on/off control to other components in a system.

The MAX4764EUB+ is a complementary metal oxide semiconductor (CMOS) device that operates from a single +2.7 V to +5.5 V power supply. The low-capacitance on-resistance (RON) for this switch is 5 Ω max at +3.3 V and 4 Ω max at +5 V, allowing the device to handle a large maximum current of 350 mA when closed. The low on-resistance ensures good accuracy and low signal distortion while maintaining low power consumption. The device also features an on-board ESD protection circuit, which prevents damage to the device by electrostatic discharges.

The MAX4764EUB+ has two distinct modes of operation; single-pole/double-throw (SPDT) switching and HV-driven switching. In SPDT operation, the switch utilizes two voltage-controlled inputs (V_inA, V_inB) to control the signal flow. When V_inA is negative, the signal flow is switched to the output on the V_inA side, and when V_inB is negative, the signal flow is switched to the output on the opposite side. HV-driven operation, on the other hand, allows for control signals from a high voltage source, such as circuit relays, to turn the switch on and off. The device has an enable function (EN Pin) which is used to turn the switch on and off with a high voltage signal from the enable pin.

The MAX4764EUB+ is a versatile analog switch for a variety of applications, including medical instrumentation input/output circuits, AC/DC power supplies, as well as communications and automotive systems. Its integrated ESD protection, low RON and low power consumption make it ideal for a variety of applications across multiple industries. Its high-turn-on threshold voltage and low on resistance ensure that this switch will deliver reliable performance in the most demanding applications.

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