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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ST7MC1K2-Auto 数据表(PDF) 295 Page - STMicroelectronics |
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ST7MC1K2-Auto 数据表(HTML) 295 Page - STMicroelectronics |
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295 / 371 page  Obsolete Product(s) - Obsolete Product(s) ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto On-chip peripherals 295/371 10.7.5 Op-amp programming The flowchart for op-amp operation is shown in Figure 127. Figure 127. Normal op-amp operation Compensation offset ? Average compensation ? Write OACSR = x101 0xx0 Wait for 1536*TCPU cycles Read CMPOVR = 1 Write OACSR = x0p1 pxx0 p : same as before Write OACSR = x111 0xx0 Wait for 24576*TCPU cycles Read CMPOVR = 1 Need closed loop gain > 20dB @ 100kHz ? Write OACSR = x1p1 1xx0 p : same as before Op-amp useable Re-compensate offset ? External components always connected No Yes Yes No Yes No No Yes #OFFCMP and AVGCMP should be set simultenaously #The HIGHGAIN bit can also be written in step (1) or (2) (1) (2b) (4) (3) # (2a) Power on reset OACSR = 0000 0000 Write OACSR = x0010xx0 Wait for amplifier to wake up (Twakeup) Obsolete Product(s) - Obsolete Product(s) |
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