AD5663R Analog Devices, AD5663R Datasheet - Page 16
AD5663R
Manufacturer Part Number
AD5663R
Description
Manufacturer
Analog Devices
Datasheet
1.AD5643R.pdf
(32 pages)
Specifications of AD5663R
Resolution (bits)
16bit
Dac Update Rate
220kSPS
Dac Settling Time
4µs
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Voltage Out
Dac Input Format
Ser,SPI
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AD5623R/AD5643R/AD5663R
Figure 41. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
Figure 42. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
1
2.496
2.494
2.492
2.490
2.488
2.486
2.484
2.482
2.480
2.478
2.476
2.474
2.472
2.470
2.468
2.466
2.464
2.462
2.460
2.458
2.456
1
V
T
DAC LOADED WITH MIDSCALE
Y AXIS = 2µV/DIV
X AXIS = 4s/DIV
0
V
V
T
DAC LOADED WITH MIDSCALE
DD
A
A
DD
REFOUT
= 25°C
Figure 40. Analog Crosstalk, Internal Reference
= 25°C
= V
= 5V
50
REF
= 2.5V
= 5V
100
150
SAMPLE NUMBER
200
5s/DIV
V
V
T
5ns/SAMPLE NUMBER
ANALOG CROSSTALK = 4.462nV
250
DD
REFOUT
A
= 25°C
= 5V
300
= 2.5V
350
400
450
512
Rev. D | Page 16 of 32
800
700
600
500
400
300
200
100
Figure 43. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
–100
1
–20
–30
–40
–50
–60
–70
–80
–90
0
100
Figure 44. Noise Spectral Density, Internal Reference
V
V
T
DAC LOADED WITH MIDSCALE
V
V
T
MIDSCALE LOADED
DD
REFOUT
A
A
DD
REFOUT
V
T
DAC LOADED WITH FULL SCALE
V
= 25°C
DD
A
REF
= 25°C
= 3V
= 3V
= 25°C
= 5V
= 2V ± 0.3V p-p
Figure 45. Total Harmonic Distortion
= 1.25V
= 1.25V
2k
1k
V
V
DD
REFOUT
FREQUENCY (Hz)
FREQUENCY (Hz)
= 5V
4k
4s/DIV
= 2.5V
10k
6k
1M
8k
10M
10k