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AD5751 датащи(PDF) 11 Page - Analog Devices |
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AD5751 датащи(HTML) 11 Page - Analog Devices |
11 / 22 page Preliminary Technical Data AD5751 Rev. PrA | Page 11 of 22 LFCSP Pin No. Mnemonic Description In Hardware Mode, R2 is Range Decode Bit. This pin, in conjunction with R3, R1, R0 choose the output current/voltage range setting on the part. 11 AD0/R3 In Software Mode, AD0 is Device Addressing bit. This pin, in conjunction with AD1, AD2 allow up to 8 devices to be addressed on one bus. In Hardware Mode, R3 is Range Decode Bit. This pin, in conjunction with R2, R1, R0 choose the output current/voltage range setting on the part. 12 13 REXT1 REXT 2 An external current setting resistor can be connected to this pin to improve the IOUT temperature drift performance. When using the Internal RSET resistor these pins must be left floating. 14 VREF Reference Input 15 VIN Analog Input (0-4.096v) 16 GND Ground Connection. 17 AVDD Positive Analog Supply Pin. 18 IOUT Current Output Pin 19 COMP1 Optional compensation capacitor connection for the voltage output buffer 20 COMP2 Optional compensation capacitor connection for the voltage output buffer 21 GND Ground Connection. 22 GND Ground Connection. 23 VOUT Buffered Analog Output Voltage. 24 +VSENSE Sense connection for the positive voltage output load connection. 25,26,27,28 NC No Connect Pin. Can be tied to GND. 29 HW SELECT This part is used to configure the part to hardware/software mode. HW SELECT = 0 selects Software Control. HW SELECT = 1 selects Hardware Control. 30 RESET In software mode, resets the part to its power on state. Active low. In hardware mode, there is no RESET. If using the part in hardware mode the RESET pin should be tied high. 31 FAULT/TEMP In Software mode, acts as a general Fault alert pin. This pin is asserted low when an open circuit, short circuit, over temperature or PEC Interface Error is detected. Open drain output, must be connected to a pull-up resistor. In Hardware mode, acts as an over temp FAULT pin. This pin is asserted low when an over temperature Error is detected. Open drain output, must be connected to a pull-up resistor. 32 NC/IFAULT In Hardware mode, acts as a OPEN circuit Fault alert pin. This pin is asserted low when an OPEN circuit. Error is detected. Open drain output, must be connected to a pull-up resistor. In Software mode, is a NC. Tie to GND. |
Аналогичный номер детали - AD5751 |
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Аналогичное описание - AD5751 |
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