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ADM1068 датащи(PDF) 6 Page - Analog Devices |
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ADM1068 датащи(HTML) 6 Page - Analog Devices |
6 / 28 page ADM1068 Preliminary Technical Data Rev. PrB | Page 6 of 28 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. LQFP Pin Configuration Table 2. Pin Function Descriptions Pin No. Mnemonic Description 11, 13-16 NC No connection. 1–4 VX1–4 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. 5–7 VP1–3 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, 1.25 V to 3.00 V, and 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 2.5 V to 6.0 V. 9 AGND Ground Return for Input Attenuators. 10 REFGND Ground Return for On-Chip Reference Circuits. 12 REFOUT 2.048 V Reference Output. 17-24 PDO8–1 Programmable Output Drivers. 25 PDOGND 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. 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. Open-drain output requires external resistive pull-up. 30 SDA SMBus Data I/O Pin. Open-drain output requires external resistive pull-up. 31 VDDCAP Device Supply Voltage. Linearly regulated from the highest of the VP1–3, VH pins to a typical of 4.75 V. 32 GND Supply Ground. |
Аналогичный номер детали - ADM1068 |
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Аналогичное описание - ADM1068 |
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