AD5757 Analog Devices, AD5757 Datasheet - Page 16

• Manufacturer Part Number: AD5757
• Description: Quad Channel, 16-Bit, Serial Input, 4-20mA Output DAC, Dynamic Power Control, HART Connectivity
• Manufacturer: Analog Devices

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

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