AD8237 Просмотр технического описания (PDF) - Analog Devices
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AD8237 Datasheet PDF : 28 Pages
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AD8237
500
REPRESENTATIVE SAMPLE
400
300
200
–IN BIAS CURRENT
100
0
+IN BIAS CURRENT
–100
–200
–300
INPUT OFFSET CURRENT
–400
–500
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 58. Input Bias Current and Input Offset Current vs. Temperature
500
REPRESENTATIVE SAMPLE
400
300
OFFSET CURRENT
200
100
0
REF BIAS CURRENT
–100
–200
FB BIAS CURRENT
–300
–400
–500
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 59. REF Input Bias Current, FB Input Bias Current, and Offset Current vs.
Temperature
+VS
–100
–200
RL = 5kΩ
–300
+300
–40°C
+25°C
+85°C
+125°C
+200
+100
–VS
0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5
SUPPLY VOLTAGE (±VS)
Figure 60. Output Voltage Swing vs. Supply Voltage
Data Sheet
+VS
–0.2
–0.4
–40°C
+25°C
+85°C
+125°C
+0.4
+0.2
–VS
1k
10k
100k
1M
LOAD RESISTANCE (Ω)
Figure 61. Output Voltage Swing vs. Load Resistance, VS = ±2.5 V
+VS
–0.1
–0.2
–0.3
–0.4
+0.4
–40°C
+25°C
+85°C
+125°C
+0.3
+0.2
+0.1
–VS
1k
10k
100k
1M
LOAD RESISTANCE (Ω)
Figure 62. Output Voltage Swing vs. Load Resistance, VS = ±0.9 V
+VS
–0.4
–0.8
–1.2
–40°C
+25°C
+85°C
+125°C
+1.2
+0.8
+0.4
–VS
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT CURRENT (mA)
Figure 63. Output Voltage Swing vs. Output Current
Rev. 0 | Page 18 of 28
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