AD5757 Analog Devices, AD5757 Datasheet - Page 16
AD5757
Manufacturer Part Number
AD5757
Description
Quad Channel, 16-Bit, Serial Input, 4-20mA Output DAC, Dynamic Power Control, HART Connectivity
Manufacturer
Analog Devices
Datasheet
1.AD5757.pdf
(44 pages)
Specifications of AD5757
Resolution (bits)
16bit
Dac Update Rate
60kSPS
Dac Settling Time
15µs
Max Pos Supply (v)
+33V
Single-supply
No
Dac Type
Current Out
Dac Input Format
SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
AD5757
–0.002
–0.004
–0.006
–0.008
–0.010
–0.012
–0.014
–0.016
–0.018
–0.020
0.012
0.010
0.008
0.006
0.004
0.002
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
0
0
10
Figure 21. Total Unadjusted Error vs. AV
0
Figure 22. Total Unadjusted Error vs. AV
10
10
ALL RANGES
INTERNAL AND EXTERNAL R
T
Figure 20. Differential Nonlinearity Error vs. AV
A
= 25°C
DNL ERROR MAX
DNL ERROR MIN
4mA TO 20mA RANGE MAX TUE
4mA TO 20mA RANGE MIN TUE
T
4mA TO 20mA RANGE MAX TUE
4mA TO 20mA RANGE MIN TUE
T
A
A
= 25°C
= 25°C
15
15
15
SUPPLY (V)
20
SUPPLY (V)
20
SUPPLY (V)
20
SET
25
25
25
DD
DD
, External R
, Internal R
DD
30
30
30
SET
SET
Rev. B | Page 16 of 44
Figure 23. Total Unadjusted Error vs. V
–0.002
–0.004
–0.006
–0.008
–0.010
–0.012
0.006
0.004
0.002
–10
–2
–4
–6
–8
6
5
4
3
2
1
0
4
2
0
0
0
0
10
Figure 25. Output Current vs. Time on Output Enable
Figure 24. Output Current vs. Time on Power-Up
1
15
5
2
V
MAX OF TUE
MIN OF TUE
BOOST_X
TIME (µs)
TIME (µs)
20
10
T
EXTERNAL PMOS (NTLJS4149)
4mA TO 20mA RANGE
R
3
BOOST_X
A
SUPPLY (V)
LOAD
= 25°C
= 300Ω
, Using External PMOS Mode
25
4
AV
T
R
15
AV
T
R
INT_ENABLE
A
A
LOAD
LOAD
Data Sheet
DD
DD
= 25°C
= 25°C
5
= 15V
= 15V
= 300Ω
= 300Ω
30
2
6
0