AD8420 데이터 시트보기 (PDF) - Analog Devices
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AD8420 Datasheet PDF : 26 Pages
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Data Sheet
3.5
VREF = 2.5V
3.0 RL = 10kΩ TO MIDSUPPLY
+2.5V, +2.8V
2.5
+1.5V, +2.3V
2.0
+3.03V, +2.46V
1.5
MAXIMUM VFB = +VS – 2.2V
1.0
0.5 +1.5V, +0.4V
+3.03V, +0.16V
0
+2.5V, –0.1V
–0.5
1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2
OUTPUT VOLTAGE (V)
Figure 15. Input Common-Mode Voltage vs. Output Voltage,
G = 1, VS = 5 V, VREF = 2.5 V
0.6
+4mV, +0.5V
0.5
0.4
0.3
0.2
+0.6V, +0.2V
0.1
0
–0.1
+4mV, –0.1V
–0.2
–0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
OUTPUT VOLTAGE (V)
Figure 16. Input Common-Mode Voltage vs. Output Voltage,
G = 1, VS = 2.7 V, VREF = 0 V
20
15
–14.9V, +12.7V
10
0.0V, +12.8V
+14.8V, +12.7V
5
0
–5
–10
–15
–14.9V, –15.0V
0.0V, –15.1V
+14.8V, –15.0V
–20
–20 –15 –10 –5
0
5
10
15
20
OUTPUT VOLTAGE (V)
Figure 17. Input Common-Mode Voltage vs. Output Voltage,
G = 100, VS = ±15 V
AD8420
3.5
3.0
+44mV, +2.8V
2.5
+4.8V, +2.78V
2.0
1.5
1.0
0.5
0
+44mV, –0.1V
+4.8V, –80mV
–0.5
–0.5 0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
OUTPUT VOLTAGE (V)
Figure 18. Input Common-Mode Voltage vs. Output Voltage,
G = 100, VS = 5 V, VREF = 0 V
3.5
3.0
+86mV, +2.79V +2.5V, +2.8V +4.8V, +2.79V
2.5
2.0
1.5
1.0
0.5
0
+86mV, –90mV +2.5V, –0.1V +4.8V, –90mV
–0.5
–0.5 0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
OUTPUT VOLTAGE (V)
Figure 19. Input Common-Mode Voltage vs. Output Voltage,
G = 100, VS = 5 V, VREF = 2.5 V
0.6
+29mV, +0.5V
0.5
+2.53V, +0.49V
0.4
0.3
0.2
0.1
0
–0.1
+29mV, –0.1V
+2.53V, –90mV
–0.2
–0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT VOLTAGE (V)
Figure 20. Input Common-Mode Voltage vs. Output Voltage,
G = 100, VS = 2.7 V, VREF = 0 V
Rev. A | Page 11 of 26
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