Datasheet

Data Sheet AD5629R/AD5669R
Rev. B | Page 17 of 32
0.0010
–0.0015
–0.0010
–0.0005
0
0.0005
0987654321
GLITCH AMPLITUDE (V)
TIME (µs)
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
08819-142
Figure 36. Analog Crosstalk
0.0020
–0.0015
–0.0010
–0.0005
0
0.0010
0.0015
0.0005
087654321
GLITCH AMPLITUDE (V)
TIME (µs)
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
08819-143
Figure 37. DAC-to-DAC Crosstalk
0.06
–0.08
–0.06
–0.04
–0.02
0.02
0.04
0
010897654321
OUTPUT VOLTAGE (V)
TIME (s)
V
DD
= 5.5V
EXT REF = 5V
DAC CODE = 0xFF00
08819-144
Figure 38. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
0.20
–0.20
–0.15
–0.10
–0.05
0
0.10
0.15
0.05
010897654321
OUTPUT NOISE (V)
TIME (s)
EXT REF = 2.5V
DAC CODE = 0xFF00
08819-145
Figure 39. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
0.20
–0.20
–0.15
–0.10
–0.05
0
0.10
0.15
0.05
010897654321
OUTPUT NOISE (V)
TIME (s)
INT REF = 1.25V
DAC CODE = 0xFF00
08819-146
Figure 40. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
800
0
100
200
300
400
600
700
500
100 1M100k10k1k
OUTPUT NOISE (nV/ Hz)
FREQUENCY (Hz)
V
REF
= 1.25V
V
REF
= 2.5V
V
DD
= 5.5V
DAC CODE = 0x8400
08819-147
Figure 41. Noise Spectral Density, Internal Reference