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ADM1068 Datasheet(PDF) 7 Page - Analog Devices |
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ADM1068 Datasheet(HTML) 7 Page - Analog Devices |
7 / 24 page ADM1068 Rev. C | Page 7 of 24 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 24 25 32 8 9 17 16 VX1 VX2 VX3 VX4 VP1 VP2 VP3 VH PDO1 PDO2 PDO3 PDO4 PDO5 PDO6 PDO7 PDO8 NC = NO CONNECT PIN 1 INDICATOR ADM1068 TOP VIEW (Not to Scale) Figure 3. Pin Configuration Table 4. Pin Function Descriptions Pin No. Mnemonic Description 11, 13 to 16 NC No Connection. 1 to 4 VX1 to VX4 (VXx) High Impedance Inputs to Supply Fault Detectors. Fault thresholds can be set from 0.573 V to 1.375 V. Alternatively, these pins can be used as general-purpose digital inputs. 5 to 7 VP1 to VP3 (VPx) Low Voltage Inputs to Supply Fault Detectors. Three input ranges can be set by altering the input attenuation on a potential divider connected to these pins, the output of which connects to a supply fault detector. These pins allow thresholds from 2.5 V to 6.0 V, from 1.25 V to 3.00 V, and from 0.573 V to 1.375 V. 8 VH High Voltage Input to Supply Fault Detectors. Three input ranges can be set by altering the input attenuation on a potential divider connected to this pin, the output of which connects to a supply fault detector. This pin allows thresholds from 6.0 V to 14.4 V and from 2.5 V to 6.0 V. 9 AGND1 Ground Return for Input Attenuators. 10 REFGND1 Ground Return for On-Chip Reference Circuits. 12 REFOUT Reference Output, 2.048 V. Note that the capacitor must be connected between this pin and REFGND. A 10 μF capacitor is recommended for this purpose. 17 to 24 PDO8 to PDO1 Programmable Output Drivers. 25 PDOGND1 Ground Return for Output Drivers. 26 VCCP Central Charge-Pump Voltage of 5.25 V. A reservoir capacitor must be connected between this pin and GND. A 10 μF capacitor is recommended for this purpose. 27 A0 Logic Input. This pin sets the seventh bit of the SMBus interface address. 28 A1 Logic Input. This pin sets the sixth bit of the SMBus interface address. 29 SCL SMBus Clock Pin. Bidirectional open drain requires external resistive pull-up. 30 SDA SMBus Data Pin. Bidirectional open drain requires external resistive pull-up. 31 VDDCAP Device Supply Voltage. Linearly regulated from the highest of the VPx, VH pins to a typical of 4.75 V. Note that the capacitor must be connected between this pin and GND. A 10 μF capacitor is recommended for this purpose. 32 GND1 Supply Ground. 1 In a typical application, all ground pins are connected together. |
Número de pieza similar - ADM1068_15 |
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Descripción similar - ADM1068_15 |
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