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ADM1041AARQZ-REEL Datasheet(PDF) 45 Page - Analog Devices |
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ADM1041AARQZ-REEL Datasheet(HTML) 45 Page - Analog Devices |
45 / 56 page ADM1041A Rev. 0 | Page 45 of 56 Bit No. Name R/W Description 3 FG Polarity R/W Sets polarity of OrFET gate control (FG pin): 0 = inverted (low = on); 1 = normal (low = off). 2 Micro Share Clamp R/W Allow the microprocessor to directly control the share clamp. 0 = normal share clamp operation, that is, not clamped; 1 = assert share clamp, that is, clamped. See Table 43. 1 Micro CBD Write R/W Allow the microprocessor to write directly to CBD as a possible way of adding an additional port. This might be a blinking LED or a fail signal to the system. See Table 43. 0 Micro CBD Clear R/W Microprocessor clear of CBD latch (if configured as latching) folowing an SMBAlert. See Table 43. Table 29. Register 14h, Current-Sense Divider Error Trim 1. Power-On Default from EEPROM Register 8114h During Power-Up Bit No. Name R/W Description 7–0 Current Sense Offset Trim R/W Trim-out offset due to external resistor divider tolerances (for common-mode correction). This register is normally written to during the user calibration. Table 30. Register 15h, Current Sense Amp Offset Trim 2. Power-On Default from EEPROM Register 8115h During Power-Up Bit No. Name R/W Description 7–0 Current Sense DC offset Trim R/W Trim-out current sense amplifier offset (dc offset correction). Increasing this results in more offset for the current sense. This register is normally written to during the user calibration. It is used with Reg06H. Table 31. Register 16h, Current-Sense Options 1. Power-On Default from EEPROM Register 8116h During Power-Up Bit No. Name R/W Description 7–6 Reserved R/W Don’t Care 5–3 Divider Trim R/W External Divider Tolerance Trim Range (Common-Mode Trim Range). b5 b4 b3 Range External Resistor Tolerance 0 0 0 −5 mV −0.25% 0 0 1 −10 mV −0.50% 0 1 0 −20 mV −1.00% 1 0 0 +5 mV +0.25% 1 0 1 +10 mV +0.50% 1 1 0 +20 mV +1.00% 2–0 Current-Sense Gain R/W Gain Selector b2 b1 b0 Gain Range 0 0 0 65x 34.0 mV to 44.5 mV 0 0 1 85x 26.0 mV to 34.0 mV 0 1 0 110x 20.0 mV to 26.0 mV 1 0 0 135x 16.0 mV to 20.0 mV 1 0 1 175x 12.0 mV to 16.0 mV 1 1 0 230x 9.5 mV to 12.0 mV |
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