AMP03 Ver la hoja de datos (PDF) - Aavid Thermalloy, LLC
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AMP03 Datasheet PDF : 16 Pages
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AD8274
CONFIGURATIONS
The AD8274 can be configured in several ways; see Figure 40 to Figure 47. Because these configurations rely on the internal, matched
resistors, all of these configurations have excellent gain accuracy and gain drift. Note that the AD8274 internal op amp is stable for noise
gains of 1.5 and higher, so the AD8274 should not be placed in a unity-gain follower configuration.
2 12kΩ
–IN
6kΩ 5
6
OUT
2 12kΩ
6kΩ 5
6
OUT
3 12kΩ
+IN
6kΩ 1
VOUT = ½ (VIN+ − VIN−)
Figure 40. Difference Amplifier, G = ½
3 12kΩ
+IN
6kΩ 1
VOUT = ½ VIN
Figure 44. Noninverting Amplifier, G = ½
5 6kΩ
–IN
12kΩ 2
6
OUT
1 6kΩ
+IN
12kΩ 3
VOUT = 2 (VIN+ − VIN−)
Figure 41. Difference Amplifier, G = 2
5 6kΩ
12kΩ 2
6
OUT
1 6kΩ
+IN
12kΩ 3
VOUT = 2 VIN
Figure 45. Noninverting Amplifier, G = 2
2 12kΩ
–IN
1 6kΩ
3 12kΩ
6kΩ 5
6
OUT
VOUT = –½ VIN
Figure 42. Inverting Amplifier, G = −½
2 12kΩ
1 6kΩ
+IN 3 12kΩ
6kΩ 5
6
OUT
VOUT = 1½ VIN
Figure 46. Noninverting Amplifier, G = 1.5
5 6kΩ
–IN
1 12kΩ
3 6kΩ
12kΩ 2
6
OUT
VOUT = –2 VIN
Figure 43. Inverting Amplifier, G = −2
5 6kΩ
3 12kΩ
+IN
1 6kΩ
12kΩ 2
6
OUT
VOUT = 3 VIN
Figure 47. Noninverting Amplifier, G = 3
Rev. C | Page 13 of 16
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