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LM239N 数据表(PDF) 7 Page - STMicroelectronics |
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LM239N 数据表(HTML) 7 Page - STMicroelectronics |
7 / 16 page LM139, LM239, LM339 Typical applications Doc ID 2159 Rev 2 7/16 5 Typical applications Figure 7. Basic comparator Figure 8. Driving CMOS V CC = 5 V 15 k Ω V O +V (ref) 1/4 LM139 -V (ref) 5 V 100 k Ω & 1/ 4 LM139 +V (ref) -V (ref) Figure 9. Driving TTL Figure 10. Low frequency op amp 5 V 10 k Ω +V (ref) & & 1/ 4 LM139 -V (ref) 5 V 15 k Ω e o 0.5 μF 100 k Ω e l 1 k Ω ~ 1/4 LM139 A V = 100 Figure 11. Low frequency op amp Figure 12. Transducer amplifier 5 V 15 k Ω 0.5 μF 100 k Ω 1 k Ω ~ 2N 2222 (e o = 0 V for el = 0 V) 1/ 4 LM139 e o e l A V = 100 5 V 10 k Ω e o 20 M Ω 3 k Ω Magnetic pick-up 10 k Ω 1/ 4 LM139 |
类似零件编号 - LM239N |
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类似说明 - LM239N |
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