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AD7945BRSZ データシートの表示(PDF) - Analog Devices
部品番号
コンポーネント説明
メーカー
AD7945BRSZ
+3.3 V/+5 V Multiplying 12-Bit DACs
Analog Devices
AD7945BRSZ Datasheet PDF : 16 Pages
First
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Typical Performance Curves
0.5
V
DD
= +5V
T
A
= +25
؇
C
0.4
OP AMP = AD843
0.3
0.2
0.1
0
2
4
6
8
10
V
REF
– Volts
Figure 5. Differential Nonlinearity Error vs.
V
REF
(Normal Mode)
1.0
V
DD
= +5V
0.9
T
A
= +25
؇
C
OP AMP = AD843
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2
4
6
8
10
V
REF
– Volts
Figure 6. Integral Nonlinearity Error vs.
V
REF
(Normal Mode)
AD7943/AD7945/AD7948
0.50
V
DD
= +5V
V
REF
= +10V
OP AMP = AD843
T
A
= +25
؇
C
0.25
0.00
–0.25
–0.50
0
1024
2048
INPUT CODE
3072
4095
Figure 7. All Codes Linearity In Normal Mode (V
DD
= +5 V)
6
V
DD
= +3.3V
5
T
A
= +25
؇
C
OP AMP = AD820
4
3
2
1
0
0.2
0.4
0.6
0.8
1.0
|V
REF
– V
BIAS
| – Volts
1.2
1.4
Figure 8. Linearity Error vs. V
REF
(Biased Mode)
REV. B
–11–
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