AD7846BP

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The AD7846BP is a high-performance, 8-bit, voltage-output digital-to-analog converter integrated circuit that is designed for use in consumer electronics, embedded systems, and industrial applications. The device is rated for operation from -40°C to +125°C and from 3.3V to 5V supply voltages. It features an on-chip voltage reference, a hardware latch, and low power dissipation. The on-chip voltage reference allows the user to quickly and accurately set the analog output voltages over the full range of inputs. It also provides a datalatch capability which increases the number of operations per instruction.

The chip provides an 8-bit resistor-ladder voltage-output DAC with the ability to generate linear analog signals with an accuracy of +0.002%. The AD7846BP is an indispensable part of any system that requires high accuracy analog signals. It enables the user to generate exact voltage levels for all kinds of applications such as for audio, video, communications and instrumentation systems.

The AD7846BP works on a simple principle. When the user supplies a binary input code through the data bus, a resistor- ladder network in the IC converts the voltage levels to their corresponding analog output voltage levels. This conversion is done through a combination of a latch, a DAC, a voltage reference, and a set of programmable resistors.

The latch stores the 8-bit input data until the user initiates an update. The DAC takes the data stored in the latch and converts it to a corresponding voltage output. The voltage reference provides a fixed voltage reference level to the output of the DAC and helps to maintain the accuracy of the analog output voltage. Finally, a programmable resistor between the DAC output and the external reference node provides a gain adjustment for the output voltage.

The key features of the AD7846BP include a wide input voltage range (3.3V to 5V), an operating temperature range between -40°C to +125°C and power dissipation of less than 100μW. Its low power dissipation makes it an ideal choice for battery powered applications. The device also provides low harmonic distortion and fast settling characteristics.

The AD7846BP is used for many different applications in consumer electronics and embedded systems including automotive audio systems, precision instrumentation systems, portable DVD players, and medical imaging systems. It is also used for applications such as automatic gain control, overload protection, and power factor correction.

In conclusion, the AD7846BP is a high-performance 8-bit voltage-output digital-to-analog converter integrated circuit that is designed for use in consumer electronics and embedded systems. It features an on-chip voltage reference, a hardware latch, and low power dissipation. The device provides an 8-bit resistor-ladder voltage-output DAC with the ability to generate linear analog signals with an accuracy of +0.002%. The key features of the AD7846BP include a wide input voltage range, an operating temperature range, and low power consumption. It is used for many different applications in consumer electronics and embedded systems including automotive audio systems, precision instrumentation systems, portable DVD players, and medical imaging systems.

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