AD5678
2.505
2.504
2.503
2.502
2.501
2.500
2.499
2.498
2.497
2.496
2.495
2.494
2.493
2.492
2.491
2.490
2.489
2.488
2.487
2.486
2.485
0
VDD = 5V
VREFOUT = 2.5V
TA = 25°C
4ns/SAMPLE NUMBER
GLITCH IMPULSE = 3.55nV-s
1 LSB CHANGE AROUND
MIDSCALE (0x8000 TO 0x7FFF)
64 128 192 256 320 384 448 512
SAMPLE
Figure 34. Digital-to-Analog Glitch Impulse (Negative)
2.5000
2.4995
2.4990
2.4985
2.4980
2.4975
2.4970
2.4965
2.4960
2.4955
2.4950
0
VDD = 5V
VREFOUT = 2.5V
TA = 25°C
4ns/SAMPLE NUMBER
64 128 192 256 320 384 448 512
SAMPLE
Figure 35. Analog Crosstalk
2.4900
2.4895
2.4890
2.4885
2.4880
2.4875
2.4870
2.4865
2.4860
2.4855
0
VDD = 5V
VREFOUT = 2.5V
TA = 25°C
4ns/SAMPLE NUMBER
64 128 192 256 320 384 448 512
SAMPLE
Figure 36. DAC-to-DAC Crosstalk
VDD = VREF = 5V
TA = 25°C
DAC LOADED WITH MIDSCALE
1
Y AXIS = 2μV/DIV
X AXIS = 4s/DIV
Figure 37. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
VDD = 5V
VREFOUT = 2.5V
TA = 25°C
DAC LOADED WITH MIDSCALE
1
5s/DIV
Figure 38. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
VDD = 3V
VREFOUT = 1.25V
TA = 25°C
DAC LOADED WITH MIDSCALE
1
4s/DIV
Figure 39. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
Rev. A | Page 16 of 28