參數(shù)資料
型號: AD8842
廠商: Analog Devices, Inc.
英文描述: Precision, Quad, SPST Analog Switches
中文描述: 8位八路,4象限乘法,的CMOS TrimDAC
文件頁數(shù): 6/12頁
文件大小: 506K
代理商: AD8842
REV. 0
–6–
AD8842–Typical Performance Characteristics
DIGITAL INPUT CODE – Decimal
L
+1/2
–1/2
+1/2
0
–1/2
0
256
0
192
128
64
DACs A, B, C, D SUPERIMPOSED
DACs E, F, G, H SUPERIMPOSED
T
A
= +25
°
C
V
DD
= +5V
V
SS
= – 5V
V
IN
X = +3V
0
64
128
0.3
0.2
–0.1
0.1
0
–0.2
–0.3
–0.4
0.4
192
256
L
DIGITAL INPUT CODE – Decimal
V
DD
= +5V
V
SS
= –5V
V
IN
X = +3V
DAC A
T
A
= –55
°
C
T
A
= +125
°
C
T
A
= +25
°
C
0
–10
–20
–30
–40
G
10k
10M
100k
1M
FREQUENCY – Hz
–180
–315
0
–90
–45
–135
–225
–270
–360
P
GAIN
–FS
+FS
PHASE
CODE = ALL ONES
PHASE
CODE = ALL ZEROS
V
IN
=
±
100mV
T
A
= +25
°
C
1k
10k
100k
1M
10M
FREQUENCY – Hz
90
0
15
30
45
60
75
105
120
135
C
V
IN
A = 100mV
pp
V
IN
B = 0V
T
A
= +25
°
C
dB
INPUT A
OUTPUT B
Figure 4. Linearity Error vs.
Digital Code
Figure 5. Linearity Error vs.
Digital Code vs. Temperature
Figure 6. V
OUT
Half Scale (80
H
)
vs. Temperature
Figure 7. Input Resistance (V
IN
)
vs. Temperature
Figure 8. Total Harmonic Distortion
vs. Frequency
Figure 9. V
OUT
Slew Rate
vs. Temperature
Figure 10. Gain and Phase vs.
Frequency (Code = 00
H
or FF
H
)
Figure 11. DAC Crosstalk
vs. Frequency
Figure 12. Voltage Noise Density
vs. Frequency
–75
–50
–25
0
25
50
75
100
125
TEMPERATURE –
°
C
8
0
V
IN
X = –3V
6
4
2
–2
–4
–8
–10
O
V
IN
X = +3V
V
DD
= +4.75V
V
SS
= –4.75V
21
–75
–50
100
125
TEMPERATURE –
°
C
R
V
IN
= +3V
20
19
18
17
16
–25
0
25
50
75
AVG
AVG +2
σ
AVG –2
σ
V
DD
= +4.75V
V
SS
= –4.75V
10
100
1k
10k
100k
FREQUENCY – Hz
0.001
100
10
1
0.1
0.01
T
R
L
= 2k
V
IN
=
+4Vp-p
f
= 80kHz
CODE = FF
H
3
2
0
–50
–25
25
V
DD
= +4.75V
V
SS
= –4.75V
V
IN
=
±
3V
1
4
0
50
75
100 125
TEMPERATURE –
°
C
SR+
SR–
V
O
μ
s
1
0.4
0
10
100
100k
10k
1k
0.2
0.6
0.8
FREQUENCY – Hz
e
n
μ
V
H
)
T
A
= +25
°
C
V
IN
= 0V
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PDF描述
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AD892E Typical Charactoristics
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