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AD5520 Arkusz danych(PDF) 8 Page - Analog Devices |
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AD5520 Arkusz danych(HTML) 8 Page - Analog Devices |
8 / 24 page AD5520 Rev. B | Page 8 of 24 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 47 MEASI5H 46 MEASI4H 45 FOH3 42 MEASI2H 43 FOH2 44 MEASI3H 48 AVEE_B 41 FOH1 40 MEASI1H 39 FOH0 37 MEASIL 36 MEASVH 35 GUARD(NC) 34 MEASVL 33 AVCC_G 38 MEASI0H 2 CPL 3 DVDD 4 CPOH 7 DGND 6 CPCK 5 CPOL 1 CPH 8 CLHDETECT 9 CLLDETECT 10 QM4 12 MOE 13 CS 14 STB 15 AC0 16 AC1 11 QM5 NC = NO CONNECT 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 PIN 1 AD5520 TOP VIEW (Not to Scale) Figure 4. Pin Configuration Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 CPH Upper Comparator Threshold Voltage Input, CPH > CPL. 2 CPL Lower Comparator Threshold Voltage Input, CPL < CPH. 3, 18 DVDD Digital Supply Voltage. 4 CPOH Logic Output. When high, indicates MEASVOUT or MEASIOUT > CPH. 5 CPOL Logic Output. When high, indicates MEASVOUT or MEASIOUT < CPL. 6 CPCK Logic Input. Used to initiate comparator sampling and update CPOH and CPOL. 7, 17 DGND Digital Ground. 8 CLHDETECT Logic Output. When high, indicates upper clamp active. See the Clamp Function section. 9 CLLDETECT Logic Output. When high, indicates lower clamp active. See the Clamp Function section. 10 QM4 Logic Output. When high, indicates current range Mode 4 is enabled. May be used to drive external relay or switch. See the High Current Ranges section. 11 QM5 Logic Output. When high, indicates current range Mode 5 is enabled. May be used to drive external relay or switch. See the High Current Ranges section. 12 MOE Active Low MEASOUT Enable. 13 CS Active Low Logic Input. The device is selected when this pin is low. See the Interface section. 14 STB Active Low Logic Input. Used in conjunction with CPCK and CS to configure the device for different configurations. Rising edge of STB triggers sequence inputs. See the Interface section. 15 AC0 Logic Input. Used in conjunction with AC1 to select one of three external compensation capacitors. See the Force Control Amplifier section. 16 AC1 Logic Input. Used in conjunction with AC0 to select one of three external compensation capacitors. See the Force Control Amplifier section. 19 AM2 Logic Input. Used in conjunction with AM1 and AM0 to select one of six current ranges or to enable standby mode. See the Current Ranges section. 20 AM1 Logic Input. Used in conjunction with AM2 and AM0 to select one of six current ranges or to enable standby mode. See the Current Ranges section. 21 AM0 Logic Input. Used in conjunction with AM2 and AM1 to select one of six current ranges or to enable standby mode. See the Current Ranges section. 22 STANDBY Logic Input. When high, device is in standby mode of operation. See the Standby Mode section. |
Podobny numer części - AD5520 |
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Podobny opis - AD5520 |
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