AD5446 Analog Devices, AD5446 Datasheet - Page 9
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AD5446
Manufacturer Part Number
AD5446
Description
14-Bit High Bandwidth Multiplying DAC with Serial Interface
Manufacturer
Analog Devices
Datasheet
1.AD5446.pdf
(28 pages)
Specifications of AD5446
Resolution (bits)
14bit
Dac Update Rate
2.7MSPS
Dac Settling Time
80ns
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Current Out
Dac Input Format
Ser,SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD5446YRMZ
Manufacturer:
ADI
Quantity:
352
Part Number:
AD5446YRMZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
–0.5
–1.0
–1.5
–2.0
–0.2
–0.4
–0.6
–0.8
–1.0
2.0
1.5
1.0
0.5
1.0
0.8
0.6
0.4
0.2
–0.4
–0.8
–1.2
–1.6
–2.0
2.0
1.6
1.2
0.8
0.4
0
0
0
2
0
0
T
V
AD5444
T
V
V
T
V
V
A
DD
A
REF
DD
A
REF
DD
= 25°C
= 25°C
= 25°C
512
= 5V
2048
= 5V
= 5V
3
= 10V
= 10V
Figure 12. TUE vs. Code (12-Bit DAC)
Figure 13. TUE vs. Code (14-Bit DAC)
Figure 14. TUE vs. Reference Voltage
1024
4096
MIN TUE
4
MAX TUE
REFERENCE VOLTAGE (V)
1536
6144
5
CODE
2048
CODE
8192
6
2560
10240 12288 14336 16384
7
3072
8
3584
9
4096
1
0
Rev. C | Page 9 of 28
–0.1
–0.2
–0.3
–0.5
–1.0
–1.5
–2.0
0.3
0.2
0.1
2.0
1.5
1.0
0.5
2.0
1.6
1.2
0.8
0.4
0
0
0
–40
–60
2
V
T
V
AD5444
Figure 17. I
REF
A
DD
–40
= 25°C
Figure 16. Gain Error vs. Reference Voltage
V
–20
= 5V
= 10V
V
DD
3
DD
Figure 15. Gain Error vs. Temperature
= 3V
–20
= 5V
OUT
0
4
1 Leakage Current vs. Temperature
0
REFERENCE VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
20
5
20
40
40
6
60
60
AD5444/AD5446
7
I
OUT
80
1, V
I
OUT
80
8
DD
1, V
100
= 3V
100
DD
9
= 5V
120
120
140
1
0