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AD9106BCPZ View Datasheet(PDF) - Analog Devices

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AD9106BCPZ Datasheet PDF : 48 Pages
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Data Sheet
TERMINOLOGY
Linearity Error (Integral Nonlinearity or INL)
INL is defined as the maximum deviation of the actual analog
output from the ideal output, determined by a straight line
drawn from zero to full scale.
Differential Nonlinearity (DNL)
DNL is the measure of the variation in analog value, normalized
to full scale, associated with a 1 LSB change in digital input code.
Monotonicity
A digital-to-analog converter is monotonic if the output either
increases or remains constant as the digital input increases.
Offset Error
Offset error is the deviation of the output current from the ideal of
zero. For IOUTPx, 0 mA output is expected when the inputs are all
0s. For IOUTNz, 0 mA output is expected when all inputs are set to 1.
Gain Error
Gain error is the difference between the actual and ideal output
span. The actual span is determined by the output when all inputs
are set to 1, minus the output when all inputs are set to 0. The
ideal gain is calculated using the measured VREF. Therefore,
the gain error does not include effects of the reference.
Output Compliance Voltage
Output compliance voltage is the range of allowable voltage
at the output of a current output DAC. Operation beyond the
maximum compliance limits can cause either output stage
saturation or breakdown, resulting in nonlinear performance.
Temperature Drift
Temperature drift is specified as the maximum change from
the ambient (25°C) value to the value at either TMIN or TMAX.
For offset and gain drift, the drift is reported in ppm of full-
scale range (FSR) per °C. For reference drift, the drift is
reported in ppm per °C.
AD9106
Power Supply Rejection
Power supply rejection is the maximum change in the full-scale
output as the supplies are varied from nominal to minimum
and maximum specified voltages.
Settling Time
Settling time is the time required for the output to reach and
remain within a specified error band about its final value,
measured from the start of the output transition.
Glitch Impulse
Asymmetrical switching times in a DAC give rise to undesired
output transients that are quantified by a glitch impulse. It is
specified as the net area of the glitch in picovolt-seconds (pV-s).
Spurious-Free Dynamic Range (SFDR)
SFDR is the difference, in decibels (dB), between the rms
amplitude of the output signal and the peak spurious signal
over the specified bandwidth.
Noise Spectral Density (NSD)
Noise spectral density is the average noise power normalized to
a 1 Hz bandwidth, with the DAC converting and producing an
output tone.
Rev. A | Page 19 of 48
 

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