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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD5522JSVDZ датащи(PDF) 16 Page - Analog Devices |
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AD5522JSVDZ датащи(HTML) 16 Page - Analog Devices |
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16 / 60 page  AD5522 Rev. A | Page 16 of 60 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS PIN 1 AD5522 TOP VIEW EXPOSED PAD ON BOTTOM (Not to Scale) 1 AVDD 2 CFF0 3 CCOMP0 4 EXTMEASIH0 5 EXTMEASIL0 6 FOH0 7 GUARD0 8 GUARDIN0/DUTGND0 9 MEASVH0 10 AGND 11 AGND 12 MEASVH2 13 GUARDIN2/DUTGND2 14 GUARD2 15 FOH2 16 EXTMEASIL2 17 EXTMEASIH2 18 CCOMP2 19 CFF2 20 AVDD 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 41 AVDD 42 CFF3 43 CCOMP3 44 EXTMEASIH3 45 EXTMEASIL3 46 FOH3 47 GUARD3 48 GUARDIN3/DUTGND3 49 MEASVH3 50 AGND 51 AGND 52 MEASVH1 53 GUARDIN1/DUTGND1 54 GUARD1 55 FOH1 56 EXTMEASIL1 57 EXTMEASIH1 58 CCOMP1 59 CFF1 60 AVDD NOTES: 1. FOR PROPER CONNECTION OFTHE EXPOSED PAD, REFER TO THE PIN CONFIGURATION AND FUNCTION DESCRIPTIONS SECTION OF THIS DATA SHEET. Figure 8. Pin Configuration, Exposed Pad on Bottom Table 6. Pin Function Descriptions Pin No. Mnemonic Description Exposed pad The exposed pad is internally electrically connected to AVSS. For enhanced thermal, electrical, and board level performance, the exposed paddle on the bottom of the package should be soldered to a corresponding thermal land paddle on the PCB. 1, 20, 41, 60, 74 AVDD Positive Analog Supply Voltage. 2 CFF0 External Capacitor for Channel 0. This pin optimizes the stability and settling time performance of the force amplifier when in force voltage mode. See the Compensation Capacitors section. 3 CCOMP0 Compensation Capacitor Input for Channel 0. See the Compensation Capacitors section. 4 EXTMEASIH0 Sense Input (High Sense) for High Current Range (Channel 0). 5 EXTMEASIL0 Sense Input (Low Sense) for High Current Range (Channel 0). 6 FOH0 Force Output for Internal Current Ranges (Channel 0). 7 GUARD0 Guard Output Drive for Channel 0. 8 GUARDIN0/ DUTGND0 Guard Amplifier Input for Channel 0/DUTGND Input for Channel 0. This dual function pin is configured via the serial interface. The default function at power-on is GUARDIN0. If this pin is configured as a DUTGND input for the channel, the input to the guard amplifier is internally connected to MEASVH0. For more information, see the Device Under Test Ground (DUTGND) section and the Guard Amplifier section. 9 MEASVH0 DUT Voltage Sense Input (High Sense) for Channel 0. 10, 11, 50, 51, 69 AGND Analog Ground. These pins are the reference points for the analog supplies and the measure circuitry. 12 MEASVH2 DUT Voltage Sense Input (High Sense) for Channel 2. |
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