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AD8451ASTZ 데이터시트(PDF) 7 Page - Analog Devices |
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AD8451ASTZ 데이터시트(HTML) 7 Page - Analog Devices |
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7 / 32 page ![]() Data Sheet AD8451 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS VCTRL VCLN AVCC VVE1 NC VINT VCLP VVE0 NC VVP0 VSET NC DVCC NC DGND NC NC VREF NC VSETBF NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 AD8451 TOP VIEW 2 3 4 7 6 5 1 8 9 10 12 13 14 15 16 17 18 19 20 11 59 58 57 54 55 56 60 53 52 51 49 48 47 46 45 44 43 42 41 50 ISVP RGP NC NC NC NC NC NC NC NC NC RGN ISVN NC NC NC NC NC NC NC PIN 1 INDENTFIER Figure 2. Pin Configuration Table 4. Pin Function Descriptions Pin No. Mnemonic Input/Output1 Description 1, 20 ISVP, ISVN Input Current Sense Instrumentation Amplifier Positive (Noninverting) and Negative (Inverting) Inputs. Connect these pins across the current sense shunt resistor. 2, 19 RGP, RGN N/A Negative Input of the Preamplifiers of the Current Sense Instrumentation Amplifier. 3 to 18, 21, 23, 25, 31, 33, 34, 40, 41, 43, 44, 46, 48, 52, 55, 63, 66, 69, 78 to 80 NC N/A No Connect. Do not connect to this pin. 22, 35 BVPS, BVNS Input Kelvin Sense Pins for the BVP and BVN Voltage Sense Difference Amplifier Inputs. 24, 32 BVP, BVN Input Voltage Sense Difference Amplifier Inputs. 26, 42, 73 VREF Output Voltage Reference Output Pins. VREF = 2.5 V. 27 BVREFH Input Reference Input for the Voltage Sense Difference Amplifier. To level shift the voltage sense difference amplifier output by approximately 5 mV, connect this pin to the VREF pin. Otherwise, connect this pin to the BVREFL pin. 28, 75 AGND N/A Analog Ground Pins. 29 BVREFL Input Reference Input for the Voltage Sense Difference Amplifier. The default connection is to ground. 30 BVREFLS Input Kelvin Sense Pin for the BVREFL Pin. Rev. 0 | Page 7 of 32 |
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