AD7304BRUZ-REEL7

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Data Acquisition - Digital to Analog Converters (DAC)

As its name implies, the AD7304BRUZ-REEL7 is a Digital to Analog Converter, also known as a DAC. A DAC provides a way for digital devices to represent analog signals as direct numerical values, so that digital devices can use analog information in various applications. The digital output from a DAC is then converted by an existing analog subsystem or device.

The AD7304BRUZ-REEL7 is a low-power, 8-bit, serial-output, voltage-output DAC designed for data conversion applications such as temperature measurement, sample-and-hold circuits, analog signal conditioning, or motor control. The device features guaranteed monotonic performance, excellent linearity, shutdown for low power consumption, and a flexible serial interface feature for easy connection to microcontrollers, DSPs, and other digital systems.

Features

• Low-power design
• 8-bit resolution
• Guaranteed monotonic performance
• Excellent linearity
• Shutdown for low power consumption
• Flexible serial interface

Application fields

The AD7304BRUZ-REEL7 is a versatile and reliable device with multiple application fields. It is usually used in motion control systems such as servo motors, light and temperature sensing, in temperature measurement and control, sample-and-hold circuits, analog signal conditioning, and as a high-speed range instrumentation amplifier. It can also be used as an amplifier in acoustic systems and audio applications.

Working principle

The AD7304BRUZ-REEL7 is a monolithic integrated circuit which can convert digital signals into analog signals. The device features 8-bit resolution and works using a voltage output DAC. When a digital signal that is coded in binary comes in, it is converted into an analog voltage using a reference voltage generated by the DAC. This analog voltage can then be used for analog functions.

The AD7304BRUZ-REEL7 has a serial interface that allows data to be sent from a microcontroller or DSP. The serial output consists of a data byte which is sent in 8 consecutive clock cycles. The data byte is clocked into an input latch, which is then stored in an internal latch and converted to a voltage output. The device will then generate an Output Enable (OE) signal to indicate that a new voltage is valid at the output.

The AD7304BRUZ-REEL7 has shutdown mode which provides low power consumption. By setting the SHUT pin to LOW, the device is shut down and only one µA (microampere) of current will be consumed. In this mode, the output is still enabled, but the DAC will not accept any new data, and any data previously sent is stored in the internal latch until the SHUT pin is released. This feature is useful for applications where power consumption is critical, such as battery operated systems.

Conclusion

The AD7304BRUZ-REEL7 is a low-power, 8-bit, serial-output, voltage-output DAC designed for data conversion applications. It is suitable for many uses such as temperature measurement, sample-and-hold circuits, analog signal conditioning or motor control. The device features guaranteed monotonic performance, excellent linearity and shutdown for low power consumption, allowing it to be used in battery operated systems. It also has a serial interface feature which allows easy connection to microcontrollers, DSPs and other digital systems.

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