我们在主板上使用 TI 的 LM358运算放大器、在实际应用中存在不同放大倍数性能一致性的问题。
输入电压:1500mV*100/10100=14.85mV 放大:G1=G2=16输出电压1:225.36mV 输出电压2:3605.76mV
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序列号 |
LM358(mV) |
SGM8632(mV) |
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OUT1 |
G1 |
OUT2 |
G2 |
OUT1 |
G1 |
OUT2 |
G2 |
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1 |
225.0 |
15.2 |
3757.0 |
16.7. |
261.4. |
17.6. |
4112.0 |
15.7 |
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2. |
237.2 |
16.0 |
3732.0 |
15.7 |
252.7 |
17.0 |
3964.0 |
15.7 |
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3. |
227.6 |
15.3 |
3598.0 |
15.8. |
247.4 |
16.7. |
3893.0 |
15.7 |
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4. |
230.2 |
15.5. |
3618.0 |
15.7 |
253.5 |
17.1. |
3990.0 |
15.7 |
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5. |
233.3 |
15.7 |
3683.0 |
15.8. |
28.3. |
16.0 |
3763.0 |
15.8. |
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6. |
219.3. |
14.8. |
3456.0 |
15.8. |
252.3 |
17.0 |
3981.0 |
15.8. |
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7. |
239.8 |
16.1. |
3759.0 |
15.7 |
232.5 |
15.7 |
3670.0 |
15.8. |
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8. |
242.0 |
16.3. |
3761.0 |
15.5. |
250.0 |
16.8. |
3943.0 |
15.8. |
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9. |
201.2 |
13.5. |
3182.0 |
15.8. |
249.5. |
16.8. |
3914.0 |
15.7 |
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10. |
237.5 |
16.0 |
3736.0 |
15.7 |
227.4 |
15.3 |
3561.0 |
15.7 |
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11. |
243.6. |
16.4. |
3757.0 |
15.4 |
254.9 |
17.2. |
4032.0 |
15.8. |
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12. |
238.0 |
16.0 |
3757.0 |
15.8. |
243.1 |
16.4. |
3825.0 |
15.7 |
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13. |
233.1 |
15.7 |
3676.0 |
15.8. |
240.3 |
16.2. |
3805.0 |
15.8. |
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14. |
240.5 |
16.2. |
3761.0 |
15.6 |
229.7 |
16.1. |
3775.0 |
15.7 |
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15. |
232.6 |
15.7 |
3667.0 |
15.8. |
221.0 |
14.9. |
3481.0 |
15.8. |
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16. |
223.7 |
15.1 |
3547.0 |
15.9. |
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17. |
243.4 |
16.4. |
3762.0 |
15.5. |
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18 |
246.9. |
16.6. |
3763.0 |
15.2 |
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19. |
235.9 |
15.9. |
3717.0 |
15.8. |
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20. |
233.6 |
15.7 |
3688.0 |
15.8. |
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21. |
226.1 |
15.2 |
3566.0 |
15.8. |
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22. |
227.9 |
15.3 |
3602.0 |
15.8. |
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23 |
237.8 |
16.0 |
3747.0 |
15.8. |
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24 |
232.8 |
15.7 |
3663.0 |
15.7 |
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25 |
240.6 |
16.2. |
3762.0 |
15.6 |
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26 |
228.5. |
15.4 |
3602.0 |
15.8. |
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27. |
233.1 |
15.7 |
3668.0 |
15.7 |
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28. |
236.0 |
15.9. |
3714.0 |
15.7 |
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29. |
233.8 |
15.7 |
3692.0 |
15.8. |
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30 |
235.7 |
15.9. |
3708.0 |
15.7 |
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