DAC8420FSZ-REEL

Reference Type:	External
Base Part Number:	DAC8420
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	R-2R
INL/DNL (LSB):	±1, ±0.25
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5 V ~ 15 V, -15V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	13µs (Typ)
Number of D/A Converters:	4
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital to Analog Converters (DAC)

Digital to Analog Converters (DACs) are an important class of integrated analog-to-digital converters that enable an analog signal to be produced from a digital signal. DACs are essential for most embedded applications such as displays, audio systems, and communications interfaces and are used to convert digital data back into analog signals. The DAC8420FSZ-REEL is a 1-channel 10-bit digital-to-analog converter from Texas Instruments specifically designed for use in embedded applications.

DAC8420FSZ-REEL Application Field

The DAC8420FSZ-REEL is a low cost, 10-bit digital-to-analog converter (DAC) with an integrated voltage reference. This device is designed to provide a 10-bit resolution with a high degree of accuracy and linearity. The device is ideal for applications requiring low power, high accuracy and good signal-to-noise ratio. It works in the voltage-output mode and can be operated from a single supply; the output range being dependent upon an external reference. The DAC8420FSZ-REEL is perfect for applications such as industrial process control, digital signal processing, motor control and automotive systems.

DAC8420FSZ-REEL Working Principle

The DAC8420FSZ-REEL is based on a current-mode routing architecture. It is driven by the input signal which is fed into the input data register. Each of the 10 bits is routed to the 10 current sources. When the input data bits are shifted in, the route for the appropriate current sources is selected. The 10 separate current sources then charge internal capacitors and the corresponding DAC voltage is created. The voltage generated is then fed to the output where it is amplified and buffered to drive the output signal. The reference voltage is input directly to the current sources, providing the voltage reference for the DAC output signal. The DAC8420FSZ-REEL is designed to have high linearity, accuracy, and low noise, making it an ideal solution for applications that demand high performance such as displays, audio systems, and communications interfaces. The device also has a low power consumption and can be operated from a single-supply, making it ideal for embedded applications. Additionally, the integrated voltage reference eliminates the need for an external reference and enables the device to be easily connected to the system.

Conclusion

The DAC8420FSZ-REEL is a 1-channel 10-bit digital-to-analog converter from Texas Instruments that is designed for use in embedded applications. It is based on a current-mode routing architecture which enables it to be driven by an input signal and output a low power, high accuracy, and good signal-to-noise ratio voltage signal. Additionally, the integrated voltage reference eliminates the need for an external reference. This makes the DAC8420FSZ-REEL an ideal solution for industrial process control, digital signal processing, motor control, automotive systems, and embedded applications such as displays, audio systems, and communications interfaces.

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