MAX4712ESE

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Analog switches, multiplexers, and demultiplexers are common devices for optimizing power, performance, and space on a circuit board. The MAX4712ESE is a single to dual-channel, low-voltage analog switch that enables the easy implementation of designs and features low On-resistance and charge injection. This device is highly suitable for applications including audio switching, headphone amplifiers, general-purpose instrumentation signals, automotive infotainment system and battery-powered designs.

The MAX4712ESE is designed to switch signals in the 0V to 3.6V common-mode, and can handle ±5V differential signals with full dynamic range retention. The On-resistance of MAX4712ESE is 8Ω and charge injection of 1pC. This device is designed to provide excellent RF performance, as it has excellent stopband performance extending up to 4GHz. Low leakage is also available, which is typically less than 0.1nA.

The MAX4712ESE is a via-configurable single-pole/double-throw (SPDT) switch. It consists of two identical N-channel metal-oxide field-effect transistors (NMOSFETs) between the switches drain pin (D) and output pins (OA/OB). The gate pins (G/H) for both transistors are connected to two additional pins, the mode pins (A/B). These pins are then connected to an external control signal to enable series or parallel switching, depending on the user\'s configuration. In the series configuration, signals flow through one transistor before the output pins; in the parallel configuration, both transistors are operating in parallel. The chip also features an internal shunt across the input to reduce charge injection.

The MAX4712ESE offers flexible control as the mode pins can connect to a logic output, analog voltage, manual switch, or external pull-ups using either series or symmetrical capacitive doors. It supports a wide range of control options depending on the application. Additionally, the device is available in an SOT-23 package for space-saving.

The MAX4712ESE is the ideal solution for many analog switching applications as it offers low On-resistance and low charge injection. This device has excellent RF performance and is available in an SOT-23 package. Furthermore, the MAX4712ESE has a versatile control feature allowing for either series or parallel operation and accepts various control signals.

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