DAC8564 datasheet(41/46 Pages) TI

部件名	DAC8564

功能描述	12-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTER with 2.5V, 2ppm/째C Internal Reference

PDF	46 Pages

Scroll/Zoom	100%

制造商	TI [Texas Instruments]

网页	http://www.ti.com

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41 / 46 page

DAC Output Noise Density

Full-Scale Range (FSR)

DAC Output Noise

DAC7565

www.ti.com ............................................................................................................................................... SBAS412A – FEBRUARY 2008 – REVISED MARCH 2008

Output

noise

density

defined

Full-scale range (FSR) is the difference between the

internally-generated random noise. Random noise is

maximum and minimum analog output values that the

characterized as a spectral density (nV/

√Hz). It is

DAC is specified to provide; typically, the maximum

measured by loading the DAC to midscale and

and minimum values are also specified. For an n-bit

measuring noise at the output.

DAC, these values are usually given as the values

matching with code 0 and 2n.

DAC output noise is defined as any voltage deviation

of DAC output from the desired value (within a

particular frequency band). It is measured with a DAC

channel kept at midscale while filtering the output

voltage within a band of 0.1Hz to 10Hz and

measuring its amplitude peaks. It is expressed in

terms of peak-to-peak voltage (Vpp).

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DAC8564 数据表(PDF) 41 Page - Texas Instruments

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