AD5735 Analog Devices, AD5735 Datasheet - Page 23

• Manufacturer Part Number: AD5735
• Description: Quad Channel, 12-Bit, Serial Input, 4-20 mA & Voltage Output DAC with Dynamic Power Control
• Manufacturer: Analog Devices

Specifications of AD5735

• Resolution (bits): 12bit
• Dac Settling Time: 11µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: I or V Out
• Dac Input Format: SPI

DC-TO-DC CONVERTER
Data Sheet
Figure 53. Efficiency at V
Figure 54. Efficiency at V
Figure 55. Output Efficiency vs. Output Current (See Figure 77)
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
20mA OUTPUT
AV
AV
AV
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 77)
SW
SW
A
A
vs. Temperature (See Figure 77)
= 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 23 of 48
0.6
0.5
0.4
0.3
0.2
0.1
Figure 56. Output Efficiency vs. Temperature (See Figure 77)
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 57. Switch Resistance vs. Temperature
SW
–20
–20
CC
20mA OUTPUT
= 410kHz
= 5V
0
0
SET
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
40
40
60
60
80
80
AD5735
100
100