AD5755-1 Analog Devices, AD5755-1 Datasheet - Page 24

• Manufacturer Part Number: AD5755-1
• Description: Quad Channel, 16-Bit, Serial Input, 4-20mA & Voltage Output DAC, Dynamic Power Control, HART Connectivity
• Manufacturer: Analog Devices

Specifications of AD5755-1

• Resolution (bits): 16bit
• Dac Update Rate: 91kSPS
• Dac Settling Time: 11µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: I or V Out
• Dac Input Format: SPI

AD5755-1
DC-TO-DC BLOCK
Figure 55. Efficiency at V
Figure 56. Efficiency at V
Figure 57. Output Efficiency vs. Output Current (See Figure 80)
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)
SW
–20
CC
AV
AV
AV
AV
AV
AV
= 410kHz
4
20mA
4
= 5V
CC
CC
CC
CC
CC
CC
= 4.5V
= 5V
= 5.5V
= 4.5V
= 5V
= 5.5V
0
SET
8
8
BOOST_x
TEMPERATURE (°C)
BOOST_x
CURRENT (mA)
CURRENT (mA)
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
SW
vs. Output Current (See Figure 80)
SW
A
A
vs. Temperature (See Figure 80)
= 25°C
12
= 25°C
12
= 410kHz
= 410kHz
40
SET
SET
16
16
60
80
20
20
100
24
24
Rev. B | Page 24 of 52
0.6
0.5
0.4
0.3
0.2
0.1
Figure 58. Output Efficiency vs. Temperature (See Figure 80)
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 59. Switch Resistance vs. Temperature
SW
–20
–20
CC
= 410 kHz
20mA
= 5V
0
0
SET
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
40
40
60
60
Data Sheet
80
80
100
100