AD5643R Analog Devices, AD5643R Datasheet - Page 16
AD5643R
Manufacturer Part Number
AD5643R
Description
Manufacturer
Analog Devices
Datasheet
1.AD5643R.pdf
(32 pages)
Specifications of AD5643R
Resolution (bits)
14bit
Dac Update Rate
250kSPS
Dac Settling Time
3.5µs
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Voltage Out
Dac Input Format
Ser,SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5643RBRMZ-3
Manufacturer:
AD
Quantity:
20 000
Part Number:
AD5643RBRMZ-5
Manufacturer:
ADI/亚德诺
Quantity:
20 000
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