AD9777BSVZRL Integrated Circuits (ICs)

Reference Type:	External, Internal
Base Part Number:	AD9777
Supplier Device Package:	80-TQFP-EP (12x12)
Package / Case:	80-TQFP Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Architecture:	Oversampling Interpolating DAC
INL/DNL (LSB):	±6, ±3
Voltage - Supply, Digital:	3.1 V ~ 3.5 V
Voltage - Supply, Analog:	3.1 V ~ 3.5 V
Series:	TxDAC+®
Data Interface:	Parallel
Differential Output:	Yes
Output Type:	Current - Unbuffered
Settling Time:	11µs (Typ)
Number of D/A Converters:	2
Number of Bits:	16
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Application Field of AD9777BSVZRL

The AD9777BSVZRL is a Digital-to-Analog Converter (DAC) that is used in various applications where the task of converting digital signals into analog signals is required. It is specifically designed for use in applications where the conversion of digital signals to analog signals needs to be done quickly and accurately. The AD9777BSVZRL is a low-cost, low-power DAC that is ideal for applications where accuracy and speed are paramount.Common applications of the AD9777BSVZRL include digital audio output and analog control of motion control devices. It is often found in professional audio gear, such as digital mixing consoles and studio monitors, as well as consumer products such as Bluetooth speakers and MP3 players. The AD9777BSVZRL can also find a place in more advanced applications such as robotic surgery and other medical procedures, where the conversion of digital signals to analog signals is essential.

Working Principle of AD9777BSVZRL

The AD9777BSVZRL is a versatile 14-bit Digital-to-Analog Converter (DAC). It is specifically designed for low-cost, low-power applications where speed and accuracy are paramount. The AD9777BSVZRL is a voltage output DAC with a built-in, high speed reference and voltage input structure that supports 4V, 3.3V and 2.5V logic levels. With a 14-bit resolution and an input range of 0-21V, the AD9777BSVZRL offers a high-resolution DAC that is capable of producing an analog output with a resolution of 0.1mV (1mV step-size).The AD9777BSVZRL integrates two complementary output structures that are designed to maximize system performance in audio applications. The main output structure is an output buffer, which amplifies the digital to analog conversion results and drives a low-impedance load. The second output structure is an integrated low-offset, low-noise op-amp, which is optimized for driving audio loads.The integrated reference and buffer also enable the AD9777BSVZRL to output high-quality performance with minimal power consumption. The built-in reference outputs a voltage of 2.500V with a +/- 1mV accuracy and has a bandgap temperature coefficient of +/- 50ppm/°C. The integrated op-amp has a low-offset voltage of <=0.1mV, as well as a low-noise voltage floor of 300µVrms. The DAC can also achieve excellent power efficiency, typically drawing only 8mW in static mode and 28mA in dynamic mode, with a THD+N of 0.0005%.

Conclusion

The AD9777BSVZRL is a versatile 14-bit Digital-to-Analog Converter (DAC) that is designed for low-cost, low-power applications where speed and accuracy are essential. With its wide range of features and performance characteristics, the AD9777BSVZRL is ideal for audio, motion control and medical applications that require precision analog outputs from digital signals. The integrated reference and output structures ensure excellent power efficiency and easy system integration. The AD9777BSVZRL is the perfect choice for any application where high-quality, low-power digital-to-analog conversion is a must.

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