AD7545CQ

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Data Acquisition - Digital to Analog Converters (DAC) can be used to convert a digital signal into an analog signal. The AD7545CQ is a low cost, 8-bit DAC from Analog Devices, with a wide range of applications. It is designed for applications that require precision voltage to digital conversion.

The AD7545CQ utilizes a binary-weighted network to generate the analog voltage output from the digital input code. This ensures that the analog output is proportional to the digital input code. The AD7545CQ incorporates a resistor string in the binary-weighted network, which reduces the need for individually-trimmed resistors in the system. This enables the DAC to offer outstanding performance and repeatability over the entire temperature range of -55°C to +125°C.

The AD7545CQ is available in 8-pin PDIP, 8-pin SOIC and 8-pin MSOP packages and features an output voltage that is directly proportional to the digital input data and two control signals. The control signals are a power-down control line, which allows the user to power down the device to reduce the quiescent current to near zero, and a reset line, which resets the DAC output to the power-down value.

The AD7545CQ accepts an 8-bit parallel data word on 8 pins and generates an analog voltage output with a resolution of 8 bits and a full-scale error of 0.5 or 0.75 LSB. The AD7545CQ operates from a single +5V supply that can range from 4.5V to 5.5V and requires a 3V or 5V logic supply. The device contains an internal reference, allowing it to operate with an external reference, resulting in excellent low power performance.

The AD7545CQ is capable of operation over a wide range of temperatures and is designed to give accurate outputs within 1/2LSB over the entire industrial temperature range. The device is also specified to run at up to 10MHz throughput. The AD7545CQ can be used in a wide range of applications, including portable, battery-powered applications, industrial control, automotive diagnostics and medical instruments.

The AD7545CQ is a low-cost, 8-bit DAC with excellent low power performance. It features 8-bit resolution, with a full-scale error of 0.5 or 0.75 LSB, and operates over a wide range of temperatures. Its wide range of applications and integrated power saving features make the AD7545CQ an ideal choice for data acquisition applications requiring digital to analog conversion.

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