Datasheet

Time(2 s/div)m
100mV/div
5V/div
V Signal
OUT
LDAC
Signal
IntegratedGlitchEnergy(17nV-s)
Gain=1XMode
V
REFH
=+2.5V
CodeChange:1FFFFhto20000h
OutputLoadedwith10k andW
50pFtoAGND
Time(2ms/div)
100mV/div
5V/div
V
OUT
Signal
LDAC
Signal
IntegratedGlitchEnergy(15nV-s)
Gain=1XMode
V
REFH
=+2.5V
CodeChange:20000hto h1FFFF
OutputLoadedwith10k andW
50pFtoAGND
2
V/div
m
Time(1s/div)
1 10 100 1k 10k 100k
Frequency(Hz)
180
160
140
120
100
80
60
40
20
0
OutputVoltageNoiseDensity(nV/
)
Ö
Hz
Gain=1XMode
Gain=2XMode
DACCodeSetto20000h
OutputUnloaded
DAC9881
www.ti.com ......................................................................................................................................................... SBAS438A – MAY 2008 – REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: AV
DD
= +5V (continued)
At T
A
= +25 ° C, V
REFH
= +5.0V, V
REFL
= 0V, and Gain = 1X Mode, unless otherwise noted.
MAJOR CARRY GLITCH MAJOR CARRY GLITCH
Figure 40. Figure 41.
OUTPUT NOISE DENSITY LOW-FREQUENCY OUTPUT NOISE
vs FREQUENCY (0.1Hz to 10Hz)
Figure 42. Figure 43.
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