±10V V
參數(shù)資料
型號: AD5781ARUZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 7/28頁
文件大?。?/td> 0K
描述: IC DAC 18BIT SRL 20TSSOP
產(chǎn)品變化通告: AD57x1 Feature Change 27/Jul/2011
設(shè)計資源: 18-Bit Accurate, low noise, precision bipolar DC voltage source (CN0177)
標(biāo)準(zhǔn)包裝: 1,000
設(shè)置時間: 1µs
位數(shù): 18
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
輸出數(shù)目和類型: *
采樣率(每秒): 1M
Data Sheet
AD5781
Rev. D | Page 15 of 28
10.8
10.6
10.4
10.2
10.0
9.8
9.6
9.4
0
1
5
4
3
2
V
O
UT
(m
V)
TIME (s)
±10V VREF
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSATION CAPACITOR
RC LOW-PASS FILTER
09092-
063
Figure 41. 125 Code Step Settling Time
10
0
1
2
3
4
5
6
7
8
9
16384
65536
O
UT
P
UT
G
L
IT
CH
(
n
V
–sec)
CODE
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
POSITIVE CODE
CHANGE
NEGATIVE CODE
CHANGE
5V
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSATION CAPACITOR
RC LOW-PASS FILTER
09092-
059
VREF
Figure 42. 6 MSB Segment Glitch Energy for ±10 V VREF
4.0
0
2.0
1.5
1.0
0.5
2.5
3.0
3.5
16384
65536
O
UT
P
UT
G
L
IT
CH
(
n
V
–sec)
CODE
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
POSITIVE CODE
CHANGE
NEGATIVE CODE
CHANGE
10V VREF
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSATION CAPACITOR
RC LOW-PASS FILTER
09092-
060
Figure 43. 6 MSB Segment Glitch Energy for 10 V VREF
3.0
–0.2
2.2
1.0
1.4
1.8
0.6
0.2
2.6
16384
65536
O
UT
P
UT
G
L
IT
CH
(
n
V
–sec)
CODE
114688
163840
212992
262144
311296
360448
409600
458752
507904
557056
606208
655360
704512
753664
802816
851968
901120
950272
999424
NEGATIVE CODE
CHANGE
5V VREF
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSATION CAPACITOR
RC LOW-PASS FILTER
POSITIVE CODE
CHANGE
09092-
061
Figure 44. 6 MSB Segment Glitch Energy for 5 V VREF
40
–20
–10
0
10
20
30
–1.0
–0.5
2.0
1.5
1.0
0.5
0
V
O
UT
(m
V)
TIME (s)
±10V VREF
OUTPUT GAIN OF 1
BIAS COMPENSATION MODE
20pF COMPENSATION CAPACITOR
RC LOW-PASS FILTER
CX = 143pF + 0pF
CX = 143pF + 220pF
CX = 143pF + 470pF
CX = 143pF + 1,000pF
09092-
062
Figure 45. Midscale Peak-to-Peak Glitch for ±10 V
800
600
400
200
0
–200
–400
–600
0
1
2
3
4
5
6
7
8
9
10
TIME (Seconds)
OU
TP
U
T
V
OLTA
GE
(
nV
)
09092-
044
MID-SCALE CODE LOADED
OUTPUT UNBUFFERED
AD8676 REFERENCE BUFFERS
TA = 25°C
VDD = +15V
VSS = –15V
VREFP = +10V
VREFN = –10V
Figure 46. Voltage Output Noise, 0.1 Hz to 10 Hz Bandwidth
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