AD5737 Analog Devices, AD5737 Datasheet - Page 17

• 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
DC-TO-DC CONVERTER
Figure 32. Efficiency at V
Figure 33. Efficiency at V
Figure 34. Output Efficiency vs. Output Current (See Figure 55)
90
85
80
75
70
65
60
55
50
80
70
60
50
40
30
20
90
85
80
75
70
65
60
55
50
–40
0
0
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
AV
f
INDUCTOR = 10µH (XAL4040-103)
T
SW
A
–20
CC
= 25°C
= 410kHz
AV
AV
AV
AV
AV
AV
20mA OUTPUT
4
4
= 5V
CC
CC
CC
CC
CC
CC
= 4.5V
= 5V
= 5.5V
= 4.5V
= 5V
= 5.5V
0
SET
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
8
8
BOOST_x
TEMPERATURE (°C)
BOOST_x
20
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
f
INDUCTOR = 10µH (XAL4040-103)
T
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
f
INDUCTOR = 10µH (XAL4040-103)
T
vs. Output Current (See Figure 55)
SW
SW
A
A
vs. Temperature (See Figure 55)
= 25°C
12
= 25°C
12
= 410kHz
= 410kHz
40
SET
SET
16
16
60
80
20
20
100
2
2
4
4
Rev. A | Page 17 of 44
0.6
0.5
0.4
0.3
0.2
0.1
Figure 35. Output Efficiency vs. Temperature (See Figure 55)
80
70
60
50
40
30
20
0
–40
–40
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
AV
f
INDUCTOR = 10µH (XAL4040-103)
Figure 36. Switch Resistance vs. Temperature
SW
–20
–20
CC
= 410kHz
20mA OUTPUT
= 5V
0
0
SET
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
40
40
60
60
80
80
AD5737
100
100