參數(shù)資料
型號(hào): AD5757ACPZ
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: SERIAL INPUT LOADING, 15 us SETTLING TIME, 16-BIT DAC, QCC64
封裝: 9 X 9 MM, ROHS COMPLIANT, MO-220VMMD-4, LFCSP-64
文件頁(yè)數(shù): 10/44頁(yè)
文件大?。?/td> 1122K
代理商: AD5757ACPZ
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
V
B
OOS
T
_
xE
FFI
C
IE
N
C
Y
(%
)
CURRENT (mA)
4
0mA TO 24mA RANGE
1k LOAD
EXTERNAL RSET
fSW = 410kHz
INDUCTOR = 10H (XAL4040-103)
TA = 25°C
AVCC = 4.5V
AVCC = 5V
AVCC = 5.5V
0922
5-
016
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
V
BO
O
S
T
_x
E
F
ICI
E
NCY
(
%
)
TEMPERATURE (°C)
0mA TO 24mA RANGE
1k LOAD
EXTERNAL RSET
AVCC = 5V
fSW = 410kHz
INDUCTOR = 10H (XAL4040-103)
20mA
09
22
5-
01
7
Figure 34. Efficiency at VBOOST_x vs. Temperature (See Figure 56)
80
70
60
50
40
30
20
02
20
16
12
8
4
I OU
T
_x
E
FFI
C
IE
N
C
Y
(
%
)
CURRENT (mA)
4
0mA TO 24mA RANGE
1k LOAD
EXTERNAL RSET
fSW = 410kHz
INDUCTOR = 10H (XAL4040-103)
TA = 25°C
AVCC = 4.5V
AVCC = 5V
AVCC = 5.5V
0922
5-
018
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
I OU
T
_x
E
FFI
C
IE
N
C
Y
(
%
)
TEMPERATURE (°C)
0mA TO 24mA RANGE
1k LOAD
EXTERNAL RSET
AVCC = 5V
fSW = 410 kHz
INDUCTOR = 10H (XAL4040-103)
20mA
0922
5-
019
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
S
W
IT
CH
R
E
S
IS
TANCE
(
)
TEMPERATURE (°C)
092
25
-123
Figure 37. Switch Resistance vs. Temperature
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