AD5667RBRMZ-1

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Data Acquisition - Digital to Analog Converters (DAC) have been used in a wide variety of applications, ranging from industrial, audio and entertainment to automotive, communications, security and aerospace. The AD5667RBRMZ-1 is an 8-bit, 2-channel Digital to Analog Converter (DAC) with Serial (I2 C) Interface from Analog Devices. It is suitable for applications such as digital audio processing and power amplifiers.

The AD5667RBRMZ-1 has a two-channel design that combines two separate 8-bit DACs into a single small package and contains an additional I2 C Serial Communication Interface. It offers high linearity, low power, and wide operating temperature range. The device can be programmed in the 12-bit range, with an internal programmable gain amplifier (PGA) providing precise gains and offset control.

The AD5667RBRMZ-1 has a supply voltage range of 2.7V to 5.5V, making it suitable for battery operated or portable applications. It operates from both a single-voltage or dual-voltage supply, allowing for both 5V or 12V operation. The maximum supply current is only 500 mA. It also contains an internal voltage reference with an accuracy of ± 2 %, giving it a very high level of noise rejection, improving the accuracy of the system.

The AD5667RBRMZ-1 also features an on-chip temperature sensor that can be used to measure the ambient temperature. This helps to ensure accuracy and stability over temperature, which is particularly important in automotive, security, and aerospace applications.

The working principle of the AD5667RBRMZ-1 is relatively simple. It is an R-2R ladder DAC in which the digital input is represented by a resistance ladder divider voltage. This voltage is then converted to an analog voltage. This analog voltage is amplified by the VGA and then output through the DAC output pins. The PGA provides precise gains and offset control, allowing for precise analog voltage output.

In summary, the AD5667RBRMZ-1 is a high linearity 2-channel Digital to Analog Converter (DAC) from Analog Devices with a wide range of applications. It is suitable for applications requiring precise gains and offset control, such as digital audio processing and power amplifiers. The device operates from both a single-voltage or dual-voltage supply and contains an internal voltage reference with an accuracy of ± 2 %, giving it a very high level of noise rejection. Additionally, it contains an on-chip temperature sensor, allowing for greater accuracy and stability over temperature.

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