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ST7LITE49K2 데이터시트(PDF) 229 Page - STMicroelectronics |
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ST7LITE49K2 데이터시트(HTML) 229 Page - STMicroelectronics |
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229 / 245 page ![]() ST7LITE49K2 Electrical characteristics 229/245 13.11.1 Amplifier output offset variation The offset is quite sensitive to temperature variations. In order to ensure a good reliability in measurements, the offset must be recalibrated periodically i.e. during power on or whenever the device is reset depending on the customer application and during temperature variation. The table below gives the typical offset variation over temperature: 13.12 Analog comparator characteristics Table 104. Offset variation at TA = 25 °C Typical offset variation (LSB) Unit -45 -20 +25 +90 °C -12 -7 - +13 LSB Table 105. Analog comparator characteristics Symbol Parameter Min Typ Max Unit VDDA Supply range 4.5 5.5 V VIN Comparator input voltage range 0 VDDA V Temp Temperature range -40 125 °C Voffset Comparator offset error 20 mV IDD(CMP) Analog Comparator Consumption 120 µA Analog Comparator Consumption during power-down 200 pA tpropag Comparator propagation delay 40 ns tstartup Startup filter duration 5002) ns tstab Stabilisation time 500 ns |
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