AD5644R Analog Devices, AD5644R Datasheet - Page 14
AD5644R
Manufacturer Part Number
AD5644R
Description
Manufacturer
Analog Devices
Datasheet
1.AD5624R.pdf
(28 pages)
Specifications of AD5644R
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:
AD5644RBRMZ-5
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD5624R/AD5644R/AD5664R
Figure 30. I
–0.5
–1.0
–1.5
–2.0
–2.5
1.0
0.5
0
6
5
4
3
2
1
0
6
5
4
3
2
1
0
2.7
Figure 29. I
Figure 28. Zero-Scale Error and Offset Error vs. Supply
T
V
T
A
V
T
0.92
A
DD
DD
A
= 25°C
0.41
= 25°C
= 25°C
DD
= 5.5V
= 5.5V
Histogram with Internal Reference, V
3.2
DD
Histogram with External Reference, 5.5 V
0.42
0.94
3.7
V
I
I
DD
DD
0.43
DD
(mA)
(mA)
4.2
(V)
0.96
ZERO-SCALE ERROR
0.44
OFFSET ERROR
4.7
0.98
REFOUT
0.45
5.2
= 2.5 V
Rev. B | Page 14 of 28
Figure 32. I
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
0
–10
8
7
6
5
4
3
2
1
0
8
7
6
5
4
3
2
1
0
Figure 31. I
Figure 33. Headroom at Rails vs. Source and Sink
V
T
V
V
V
T
0.39
A
DD
DD
A
DD
REFOUT
DAC LOADED WITH
FULL-SCALE
SOURCING CURRENT
–8
= 25°C
DD
= 25°C
= 3.6V
= 3V
= 3.6V
Histogram with Internal Reference, V
0.90
DD
–6
= 1.25V
Histogram with External Reference, 3.6 V
V
V
0.40
DD
REFOUT
–4
= 5V
0.92
= 2.5V
CURRENT (mA)
–2
0.41
I
I
DD
DD
0
(mA)
(mA)
DAC LOADED WITH
ZERO-SCALE
SINKING CURRENT
0.94
2
0.42
4
REFOUT
0.96
6
0.43
= 1.25 V
8
10