AD5755 Analog Devices, AD5755 Datasheet - Page 24

• Manufacturer Part Number: AD5755
• Description: Quad Channel, 16-Bit, Serial Input,
• Manufacturer: Analog Devices

Specifications of AD5755

• 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
DC-TO-DC BLOCK
Figure 54. Efficiency at V
Figure 55. Efficiency at V
Figure 56. Output Efficiency vs. Output Current (See Figure 78)
80
70
60
50
40
30
20
90
85
80
75
70
65
60
55
50
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
4
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
vs. Output Current (See Figure 78)
SW
SW
A
A
vs. Temperature (See Figure 78)
= 25°C
12
= 25°C
12
= 410kHz
= 410kHz
40
SET
16
SET
16
60
80
20
20
100
2
2
4
4
Rev. A | Page 24 of 52
0.6
0.5
0.4
0.3
0.2
0.1
Figure 57. Output Efficiency vs. Temperature (See Figure 78)
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 58. 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