AD5737 Analog Devices, AD5737 Datasheet - Page 15

• Manufacturer Part Number: AD5737
• Description: Quad Channel, 12-Bit, Serial Input, 4-20mA Output DAC with Dynamic Power Control and HART Connectivity
• Manufacturer: Analog Devices

Specifications of AD5737

• Resolution (bits): 12bit
• Dac Settling Time: 15µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

Data Sheet
–0.005
–0.010
–0.015
–0.020
–0.025
–0.030
–0.035
–0.002
–0.004
–0.006
–0.008
–0.010
–0.012
–0.01
–0.02
0.005
0.006
0.004
0.002
0.07
0.06
0.05
0.04
0.03
0.02
0.01
Figure 20. Total Unadjusted Error vs. Supply, External R
Figure 21. Total Unadjusted Error vs. Supply, Internal R
0
0
0
10
5
5
Figure 22. Total Unadjusted Error vs. V
4mA TO 20mA RANGE
T
4mA TO 20mA RANGE
T
A
A
= 25°C
= 25°C
10
10
15
Using External PMOS Mode
V
MAX TUE
MIN TUE
15
15
BOOST_x
SUPPLY (V)
SUPPLY (V)
20
MAX TUE
T
EXTERNAL PMOS (NTLJS4149)
4mA TO 20mA RANGE
R
MIN TUE
SUPPLY (V)
A
LOAD
20
20
= 25°C
= 300Ω
25
MAX TUE
MIN TUE
BOOST_x
25
25
Supply
30
30
30
SET
SET
Rev. A | Page 15 of 44
30
25
20
15
10
–0.50 –0.25
–10
5
0
–2
–4
–6
–8
6
5
4
3
2
1
0
4
2
0
0
0
Figure 25. Output Current and V
Figure 24. Current vs. Time on Output Enable
Figure 23. Current vs. Time on Power-Up
with DC-to-DC Converter (See Figure 55)
1
0
5
0.25
2
0.50 0.75
TIME (ms)
0mA TO 24mA RANGE
1kΩ LOAD
f
INDUCTOR = 10µH (XAL4040-103)
AV
T
TIME (µs)
SW
TIME (µs)
A
CC
= 25°C
= 410kHz
10
3
= 5V
1.00 1.25
BOOST_x
4
AV
T
R
INT_ENABLE = 1
A
Settling Time
LOAD
I
V
OUT_x
DD
= 25°C
BOOST_x
AV
T
R
15
1.50 1.75 2.00
A
LOAD
= 15V
DD
= 300Ω
= 25°C
= 15V
5
= 300Ω
AD5737
2
6
0