MAX4503CSA

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The MAX4503-CSA is an analog crosspoint switch, multiplexer, and demultiplexer suitable for use in a wide range of applications, from digital to analog and from test and measurement to audio routing. Its small size and low power consumption make it well-suited for a variety of applications, from mobile and portable applications to laboratory and test setups.

The MAX4503-CSA offers high signal bandwidth, low on-resistance, and excellent power supply rejection ratio (PSRR). It also features a low-impedance signal path and low distortion and signal-to-noise ratio. This combination of features makes the MAX4503-CSA ideal for powering and mixed-signal applications, including driving high-speed analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).

The MAX4503-CSA is a single device that consists of four independent switches and a pair of multiplexers/demultiplexers. It can be used as a single switch, as two independent two-way switches, or as one two-way switch and two one-way switches. It can also be used as a two-input multiplexer or demultiplexer, or as an analog crosspoint switch.

The MAX4503-CSA has a wide operating temperature range of -40°C to 85°C. It is available in a TQFN package and features an ESD rating of 8 kV on the input pins. It draws a maximum of 150 µW of power in low-power mode, making it an excellent choice for battery-powered devices.

The MAX4503-CSA can be configured either as a crosspoint switch or as a multiplexer/demultiplexer. In crosspoint mode, the MAX4503-CSA acts as an analog switching matrix. Two control inputs are used to enable two switches in the matrix, thus connecting two input and two output pins. The control inputs can be used to switch any two pins in the matrix, allowing for an effective 64:1 reduction in pin count.

In multiplexer/demultiplexer mode, the MAX4503-CSA is used to multiplex or demultiplex two inputs into/from a single output. Two control inputs are used to select which input will be sent to the output. The control inputs can be used to multiplex or demultiplex any two pins in the matrix, allowing for an effective 4:1 reduction in pin count.

The MAX4503-CSA is a versatile and cost-effective solution for signal switching and multiplexing/demultiplexing in a variety of applications, such as audio routing and test and measurement systems. Its low power consumption and wide operating temperature range make it suitable for mobile and battery-powered applications.

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