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): 8/44頁(yè)
文件大小: 1122K
代理商: AD5757ACPZ
AD5757
Rev. A | Page 16 of 44
0
5
10
15
20
25
30
O
UT
P
UT
CURRE
NT
(
m
A)
–0.50 –0.25
0
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
TIME (ms)
0mA TO 24mA RANGE
1k LOAD
fSW = 410kHz
INDUCTOR = 10H (XAL4040-103)
AVCC = 5V
TA = 25°C
IOUT
VBOOST
092
25
-167
Figure 26. Output Current and VBOOST_x Settling Time with DC-to-DC
Converter (See Figure 56)
0
5
10
15
20
25
30
O
UT
P
UT
CURRE
NT
(m
A)
–0.25
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
TIME (ms)
IOUT, TA = –40°C
IOUT, TA = +25°C
IOUT, TA = +105°C
0mA TO 24mA RANGE
1k LOAD
fSW = 410kHz
INDUCTOR = 10H (XAL4040-103)
AVCC = 5V
09
225
-16
8
Figure 27. Output Current Settling with DC-to-DC Converter vs. Time and
Temperature (See Figure 56)
0
5
10
15
20
25
30
O
UT
P
UT
CURRE
NT
(m
A)
–0.25
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
TIME (ms)
IOUT, AVCC = 4.5V
IOUT, AVCC = 5.0V
IOUT, AVCC = 5.5V
0mA TO 24mA RANGE
1k LOAD
fSW = 410kHz
INDUCTOR = 10H (XAL4040-103)
TA = 25°C
09
225
-16
9
Figure 28. Output Current Settling with DC-to-DC Converter vs. Time and
AVCC (See Figure 56)
0
5
10
15
20
25
–5
5
010
15
T
O
T
AL
UNAD
JU
S
T
E
D
E
RR
O
R
(
%
F
S
R)
TIME (s)
09
22
5-
18
9
20
IOUT (4mA TO 20mA STEP)
IOUT (20mA TO 4mA STEP)
TA = 25°C
EXTERNAL PMOS (NTLJS4149)
4mA TO 20mA RANGE
RLOAD = 300
VBOOST_X = 24V
Figure 29. Output Current Settling Time with External PMOS Transistor
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