參數(shù)資料
型號(hào): AD5757ACPZ
廠商: Analog Devices Inc
文件頁數(shù): 9/44頁
文件大?。?/td> 0K
描述: IC DAC 16BIT QUAD 64-LFCSP
特色產(chǎn)品: AD5755 / AD5755-1 / AD5757 DACs
標(biāo)準(zhǔn)包裝: 1
設(shè)置時(shí)間: 15µs
位數(shù): 16
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 4
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 管件
輸出數(shù)目和類型: *
采樣率(每秒): *
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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