AD5676ARUZ

Reference Type:	External
Base Part Number:	AD5676
Supplier Device Package:	20-TSSOP
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Architecture:	String DAC
INL/DNL (LSB):	±1.8, ±0.7
Voltage - Supply, Digital:	1.8 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Series:	nanoDAC+®
Data Interface:	SPI, DSP
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	8µs
Number of D/A Converters:	8
Number of Bits:	16
Part Status:	Active
Packaging:	Tube

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Introduction

The AD5676ARUZ is a digital-to-analog converter (DAC) specifically designed to provide a versatile, low noise and high resolution digital interface connecting digital circuits to analog signals. It is an ideal solution for data acquisition applications such as oscilloscopes, capacitance meters, and frequency meters. The AD5676ARUZ allows output voltage range from 0 to 10.24 volts, and it has a voltage resolution of 0.00488 volts per bit. The AD5676ARUZ is used for applications that require high accuracy, low jitter, high flexibility, and low component count.

Features

The AD5676ARUZ offers several integrated features that make it ideal for precision data acquisition applications. It has an on-chip reference amplifier with a wide adjustment range, allowing input of external references up to 10V. It has a programmable DAC gain setting, allowing output voltages to be set up to 10.24V. It also has an integrated oscillator, providing clock frequencies up to 101.6kHz. Other features include an integrated SPI interface, analog soft-start, and power-down mode. The AD5676ARUZ includes a 16-bit DAC register.

Applications

The AD5676ARUZ is ideal for many data acquisition applications. It can be used in test and measurement equipment, like oscilloscopes and waveform generators, for precise waveform generation and temperature-controlled testing. It can also be used in precision instrumentation, such as capacitance meters and frequency meters, for accurate measurement and testing. Other potential applications could include medical equipment, ATE (Automatic Test Equipment), industrial automation and more.

Working Principle

The AD5676ARUZ utilizes a 16-bit DAC register for the conversion of a digital signal into an analog signal. The DAC register is connected to a voltage reference and an amplifier, allowing a maximum of 10.24V to be output. During operation, the DAC register is constantly being updated with digital data. The voltage reference and feedback amplifier compare the analog voltage and adjust it to match the voltage stored in the DAC register. This process happens quickly, allowing for very low jitter, high resolution, and high accuracy. The AD5676ARUZ is powered by an on-chip oscillator, allowing precision timing and frequency control. Conclusion

The AD5676ARUZ is a versatile, low noise and high resolution digital-to-analog converter, which is ideal for precision data acquisition applications. It has several integrated features, such as an on-chip reference amplifier and oscillator, allowing it to provide accurate output up to 10.24V. The AD5676ARUZ is suitable for use in oscilloscopes, capacitance meters, frequency meters and other precision instrumentation. It is also used in medical equipment, ATE, and industrial automation. The working principle behind the AD5676ARUZ involves the use of a 16-bit DAC register, voltage reference, and amplifier, allowing for high accuracy, low jitter, and precise control.

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