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AD5757ACPZ Datasheet(PDF) 18 Page - Analog Devices

Part # AD5757ACPZ
Description  Quad Channel, 16-Bit,Serial Input, 4 mA to 20 mA Output DAC, Dynamic Power Control
PDF  44 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5757ACPZ Datasheet(HTML) 18 Page - Analog Devices

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AD5757
Rev. A | Page 18 of 44
DC-TO-DC BLOCK
90
85
80
75
70
65
60
55
50
02
20
16
12
8
4
CURRENT (mA)
4
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL RSET
fSW = 410kHz
INDUCTOR = 10µH (XAL4040-103)
TA = 25°C
AVCC = 4.5V
AVCC = 5V
AVCC = 5.5V
Figure 33. Efficiency at VBOOST_x vs. Output Current (See Figure 56)
90
85
80
75
70
65
60
55
50
–40
100
40
60
80
20
0
–20
TEMPERATURE (°C)
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL RSET
AVCC = 5V
fSW = 410kHz
INDUCTOR = 10µH (XAL4040-103)
20mA
Figure 34. Efficiency at VBOOST_x vs. Temperature (See Figure 56)
80
70
60
50
40
30
20
02
20
16
12
8
4
CURRENT (mA)
4
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL RSET
fSW = 410kHz
INDUCTOR = 10µH (XAL4040-103)
TA = 25°C
AVCC = 4.5V
AVCC = 5V
AVCC = 5.5V
Figure 35. Output Efficiency vs. Output Current (See Figure 56)
80
70
60
50
40
30
20
–40
100
40
60
80
20
0
–20
TEMPERATURE (°C)
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL RSET
AVCC = 5V
fSW = 410 kHz
INDUCTOR = 10µH (XAL4040-103)
20mA
Figure 36. Output Efficiency vs. Temperature (See Figure 56)
0
0.1
0.2
0.3
0.4
0.5
0.6
–40
–20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 37. Switch Resistance vs. Temperature



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