AD8270 查看數據表（PDF） - Analog Devices
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AD8270 Datasheet PDF : 20 Pages
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Data Sheet
AD8270
TYPICAL PERFORMANCE CHARACTERISTICS
VS = ±15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
160
20
N: 1043
140
MEAN: –0.003
SD: 0.28
15
120
(–7.5, +7.5)
10
100
5
(0, +15)
(+7.5, +7.5)
80
0
60
–5
40
20
0
–0.9
–0.6
–0.3
0
0.3
0.6
0.9
SYSTEM OFFSET VOLTAGE (mV)
–10 (–7.5, –7.5)
(+7.5, –7.5)
–15
(0, –15)
–20
–10
–5
0
5
10
OUTPUT VOLTAGE (V)
Figure 4. Typical Distribution of System Offset Voltage, G = 1
N: 984
180
MEAN: –1.01
SD: 27
150
120
90
60
30
0
–150
–100
–50
0
50
CMRR (µV/V)
100
150
Figure 5. Typical Distribution of CMRR, G = 1
400
350
300
250
200
150
100
50
0
–0.04
N: 1043
MEAN: –0.015
SD: 0.0068
–0.02
0
0.02
0.04
GAIN ERROR (%)
Figure 7. Common-Mode Input Voltage vs. Output Voltage,
Gain = 0.5, ±15 V Supplies
6
(0, +5)
4
(–2.5, +2.5)
2
(–1.25, –1.25)
0
(0, +2.5)
(+2.5, +2.5)
VS = ±2.5
(+1.25, +1.25)
VS = ±5
–2
(–1.25, –1.25)
(–2.5, –2.5)
–4
(0, –2.5)
(+1.25, –1.25)
(+2.5, –2.5)
(0, –5)
–6
–3
–2
–1
0
1
2
3
OUTPUT VOLTAGE (V)
Figure 8. Common-Mode Input Voltage vs. Output Voltage,
Gain = 0.5, ±5 V and ±2.5 V Supplies
20
15
10 (–14.3, +7.85)
(0, +15)
(+14.3, +7.85)
5
0
–5
–10 (–14.3, –7.85)
(+14.3, –7.85)
–15
(0, –15)
–20
–20 –15 –10 –5
0
5
10
OUTPUT VOLTAGE (V)
15
20
Figure 6. Typical Distribution of Gain Error, G = 1
Figure 9. Common-Mode Input Voltage vs. Output Voltage,
Gain = 1, ±15 V Supplies
Rev. A | Page 7 of 20
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