ADG444BR

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Interface Analog Switches, Multiplexers, Demultiplexers have uses in a variety of settings from telecoms to automotive applications. The ADG444BR are a family of monolithic, ultra-low power, high speed, quad analog switches from Analog Devices. These devices offer analogue signal routing capabilities within a single integrated circuit device. The ADG444BR are ideal for use in a variety of applications requiring low power and wide bandwidth, such as automotive and industrial product designs.

The ADG444BR is composed of four independent 2-channel switch elements, with each switch element having individually-selectable series and shunt resistors. It provides maximum flexibility in analog signal routing and is used in systems such as test instruments, RF switching and telecommunications, automotive applications, and data acquisition and control.

The ADG444BR operates with a maximum voltage rating of 4.5V, and can withstand up to 20V in an “OFF” state. The device is composed of P-channel devices and a single N-channel device; the P-channel devices run on a low on-state current, reducing power consumption. The device features normallyclosed switching of two to five input lines and two to five output lines. The ADG444BR allows PC board layout flexibility with relative short trace lengths between switch connections.

Each switch element consists of a series and shunt resistor. The series resistor is used to connect two low impedance lines, and the shunt resistor is used to connect two high impedance lines. The device features two independently selectable analog switches, with each switch having a switch resistance of 50Ω, a maximum operating frequency of 400MHz, and a maximum operating temperature of 175°C.

The ADG444BR is designed to operate with a supply voltage of 2.5V to 4.5V, providing low power consumption and high speed operation. The device is constructed using a combination of bipolar and CMOS technologies, and has a wide bandwidth, allowing for higher switching speeds. It is designed to be used in applications that require both low voltage and wide bandwidth, such as interface between digital to analog (D/A) converters or analog to digital (A/D) converters.

The ADG444BR’s switching time is very fast, with a typical switching time of 130ns on the rising edge and 175ns on the falling edge. The device has a wide input/output range, allowing for a wide variety of different analog and digital signals. The device’s low input/output capacitance minimizes noise, providing better performance in noise-sensitive environments. The device also features low “ON” resistance and high “OFF” resistance, minimizing power consumption.

The ADG444BR is a robust switch device with high reliability and performance, making it ideal for use in rugged, high-intensity environments such as automotive, avionics, and telecommunications. The device is designed to provide low power consumption and wide bandwidth, making it suitable for a variety of applications. It is cost effective, providing a significant advantage over using multiple discrete devices. The device is widely available and offers reliable long-term performance.

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