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HAL855UT-K датащи(PDF) 12 Page - Micronas |
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HAL855UT-K датащи(HTML) 12 Page - Micronas |
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12 / 42 page ![]() HAL855 DATA SHEET 12 Nov. 26, 2008; DSH000149_003EN Micronas Digital Output This 12-bit register delivers the actual digital value of the applied magnetic field after the signal processing. This register can only be read out, and it is the basis for the calibration procedure of the sensor in the sys- tem environment. Offset Correction The OFFSET CORRECTION register allows to adjust the digital offset of the built-in A/D-converter. The digi- tal offset can be programmed to −3/4, −1/2, −1/4, 0, +1/4, +1/2, +3/4 of full-scale. Slew Rate The SLEW RATE register is a “sub”-register of the CURRENTSOURCE register. The output fall time of the HAL855 depends on the SLEW RATE register set- ting and the external load circuit. Note: The output rise time is purely due to the external load and is not controlled by the SLEW RATE register. Note: The slew rate can be programmed to optimize the EMI behavior of the application. Table 2–6: OFFSET CORRECTION register definition Offset Correction Bit Setting −3/4 28 −1/2 29 −1/4 30 00 1/4 17 1/2 18 3/4 19 Table 2–7: SLEW RATE register definition Typ. Slew Rate (3.6 k Ω pull-up, 4.7 nF) Bit Setting 0.3 µs 0 0.8 µs 1 1.2 µs 2 1.5 µs 3 |
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