DAC6571IDBVT Integrated Circuits (ICs)

Reference Type:	Supply
Base Part Number:	DAC6571
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Operating Temperature:	-40°C ~ 105°C
Architecture:	String DAC
INL/DNL (LSB):	±2 (Max), ±0.5 (Max)
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Series:	--
Data Interface:	I²C
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	9µs
Number of D/A Converters:	1
Number of Bits:	10
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital to Analog Converters (DAC)

Digital-to-Analog Converters, or DACs, are commonly used devices in data acquisition. By converting digital signals into analog signals, they allow data to be measured, and they are found in a variety of applications. The DAC6571IDBVT is an example of the popular integrated circuit (IC) used to perform these conversions.

The DAC6571IDBVT Application Field

The DAC6571IDBVT is a low-power, low-voltage IC that is mainly focused on data conversion for audio/video equipment, medical equipment, and similar applications. These include portable medical instruments, sound mixers, and medical imaging devices. It is also used in other consumer electronics, such as audio amplifiers, data acquisition systems, and more.It features independent voltage control, which allows for easy and precise calibration. The device is packaged in a small, 8-pin SOIC, which makes it highly suitable for embedded applications where size and power consumption are important. The device can be powered directly by a battery, or off the 5V input power supply.

DAC6571IDBVT Working Principle

The DAC6571IDBVT is a Digital-to-Analog Converter based on a Sigma-Delta architecture. It is designed to have a wide operating temperature range of -40°C to 90°C and low power dissipation, making it highly suitable for battery-operated applications. The device takes straight-binary digital input words and performs a high-speed, two-step conversion process, achieving a good linearity. The first step is the Sigma-Delta modulation, which shapes the digital data and rejects noise from the input signal. The second step is baseband filtering, which shapes the baseband signal based on the clock frequency. This combination gives the device excellent linearity and low noise performance.The DAC6571IDBVT has an internal clock frequency of 19.2MHz, which helps to improve data conversion performance. This can be set to 12, 14, 16 or 19.2MHz, depending on the required functionality.Also, the DAC6571IDBVT offers ergonomic output levels. The output voltage range can be adjusted between 0V and 6V, making it highly suitable for a wide range of applications. The output voltage can be adjusted digitally through a 16-bit DAC output word and reference voltage, offering excellent accuracy and linearity.

Conclusion

The DAC6571IDBVT is a powerful integrated circuit that offers excellent data conversion performance. It is mainly used in audio/video equipment, medical equipment, and other consumer electronics and has a wide operating temperature range and low power dissipation. The device has a Sigma-Delta architecture and an internal clock frequency of 19.2MHz, which enables it to achieve good linearity and noise performance. It also offers adjustable output levels and a wide range of input parsing algorithms. All these features make the DAC6571IDBVT a reliable and accurate device for data conversion.

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