ISL5729INZ

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The ISL5729INZ is a low-power 12-bit buffered voltage output digital-to-analog converter (DAC) from Intersil Corporation. It has a single, buffered analog output which can be used to generate a voltage, current, or a combined voltage/current output. It has a power-down feature which allows for the DAC to be powered down to save power when not in use. The output can be configured to be unipolar or bipolar, depending on the application and the type of voltage or current that is needed.

The ISL5729INZ is extremely useful in applications such as industrial process control, data acquisition, and medical instrumentation. It is also commonly used to replace a low power, wide range power sources. As an added bonus, the device includes an internal 4-quadrant multiplier which can be used to modulate the output current, voltage, or a combination of both depending on the application.

In terms of working principle, the ISL5729INZ is designed to receive digital input data from a microcomputer and convert it into an analog form for output. This is done by using a dual 12-bit digital-to-analog converter. The DACs feature a guaranteed 3ppm/degree Celsius temperature coefficient. The DACs can accept a voltage range from 0V to +5V and an input data range from 0x0000 to 0xFFFF.

The ISL5729INZ can be configured for either single-ended or differential voltage-output operation. When used in single-ended mode, the output can be adjusted between 0.8V to 4.2V. The differential voltage mode offers a wide output range of -2V to +2V. A voltage buffer amplifies the output signal and can drive up to 8mA into a 200Ω load with no external gain stage.

The ISL5729INZ also includes a power-down mode. This mode allows the device to be turned off and the power consumption to be drastically reduced when it’s not in use. Additionally, the device includes an internal 2-wire serial interface (SPI) which can be used for control of the device and for communication with a microprocessor or microcontroller.

In summary, the ISL5729INZ is a cost-effective and low-power 12-bit buffered voltage output digital-to-analog converter from Intersil Corporation. It offers a single-ended or differential voltage-output operation, with adjustable voltage range and output current. The device also has a power-down mode, as well as an internal 2-wire serial interface for control and communication. It is ideal for applications such as industrial process control, data acquisition, and medical instrumentation.

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