參數(shù)資料
型號: EVAL-AD5757SDZ
廠商: Analog Devices Inc
文件頁數(shù): 9/44頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD5757
標準包裝: 1
DAC 的數(shù)量: 4
位數(shù): 16
數(shù)據(jù)接口: 串行
設(shè)置時間: 15µs
DAC 型: 電流
工作溫度: -40°C ~ 105°C
已供物品:
已用 IC / 零件: AD5757
Data Sheet
AD5757
Rev. D | Page 17 of 44
0
5
10
15
20
25
30
O
UT
P
UT
CURRE
NT
(
mA)
–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
09225-
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
(
mA)
–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
09225-
168
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
(
mA)
–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
09225-
169
Figure 28. Output Current Settling with DC-to-DC Converter vs. Time and
0
5
10
15
20
25
–5
5
0
10
15
20
T
O
T
AL
UNADJUS
T
E
D
E
RRO
R
(
%F
S
R)
TIME (s)
09225-
189
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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