Measured as an error in ratio of full-scale current to current through R
SET
(640
mA
nominal); ratio is nominally 32. DAC load is virtual ground.
2
Internal reference voltage is tested under load conditions specified in Internal Reference Output current specification.
3
Internal reference output current defines load conditions applied during Internal Reference Voltage test.
4
Full-scale current variations among devices are higher when driving REFERENCE IN directly.
5
Frequency at which a 3 dB change in output of DAC is observed; R
L
= 50
W;
100 mV modulation at midscale.
6
Based on I
FS
= 32 (CONTROL AMP IN/R
SET
) when using internal control amplifier. DAC load is virtual ground.
7
Measured as voltage settling at midscale transition to
±
0.5 LSB, R
L
= 50
W.
8
Measured from 50% point of rising edge of CLOCK signal to 1/2 LSB change in output signal.
9
Peak glitch impulse is measured as the largest area under a single positive or negative transient.
10
Measured with R
L
= 50
W
and DAC operating in latched mode.
11
Data must remain stable for specified time prior to rising edge of CLOCK.
12
Data must remain stable for specified time after rising edge of CLOCK.
13
SFDR is defined as the difference in signal energy between the full-scale fundamental signal and worst-case spurious frequencies in the output spectrum window.
The frequency span is dc-to-Nyquist unless otherwise noted.
14
Intermodulation distortion is the measure of the sum and difference products produced when a two-tone input is driven into the DAC. The distortion products
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