AD590LF/883B

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The AD590LF/883B is a semiconductor temperature sensor that offers analog and digital output. It is ideal for a variety of applications requiring precise temperature monitoring, from industrial process control to high-reliability systems.

The AD590LF/883B is a small semiconductor device with a two-way linear output. It converts temperature into an electrical signal that can be read by standard analog-to-digital converters. The device has a precision temperature range of (-55 to +150°C). The chip includes a thermistor mounted on a flexible substrate, which is insulated from the die. The thermistor is calibrated to a specific resistance at room temperature, and its resistance changes according to temperature.

To power the device, two pins are used to provide Vcc (+3V to +5V), and GND (-3.3V to -5V). An analog voltage output is available at Vout, with a voltage range of 0 to 1.8V typical. Additionally, an open drain output is available at Dout, with a logic high of 3.3V and a logic low of <0.1V. A 2.2kohm pull up resistor to +3V is used to set the logic high level.

The AD590LF/883B offers excellent accuracy, providing a temperature coefficient of -3.9 mV/°C at 25°C. The chip features a low-power design with a quiescent power dissipation of 1.5mW. The device is also immune to noise and radiation-induced errors, making it suitable for some aerospace applications.

The device can be used in a variety of applications, including environmental and process temperature control, sensing of temperature in industrial and telecom CPUs, remote sensing of temperature, and temperature compensation in a variety of circuits. Additionally, it can be used in medical sensing applications, where temperature readings must be monitored accurately and in high reliability systems where long-term temperature measurement is required.

In summary, the AD590LF/883B is a versatile and reliable temperature sensor, offering analog and digital output. Its precision temperature range makes it suitable for many applications, from industrial process control to high-reliability systems. It is a low-power device, with excellent accuracy and immunity to noise and radiation-induced errors, making it suitable for applications in aerospace applications.

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