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AD5522JSVDZ データシート(PDF) 18 Page - Analog Devices |
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AD5522JSVDZ データシート(HTML) 18 Page - Analog Devices |
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18 / 60 page  AD5522 Rev. A | Page 18 of 60 Pin No. Mnemonic Description 49 MEASVH3 DUT Voltage Sense Input (High Sense) for Channel 3. 52 MEASVH1 DUT Voltage Sense Input (High Sense) for Channel 1. 53 GUARDIN1/ DUTGND1 Guard Amplifier Input for Channel 1/DUTGND Input for Channel 1. This dual function pin is configured via the serial interface. The default function at power-on is GUARDIN1. If this pin is configured as a DUTGND input for the channel, the input to the guard amplifier is internally connected to MEASVH1. For more information, see the Device Under Test Ground (DUTGND) section and the Guard Amplifier section. 54 GUARD1 Guard Output Drive for Channel 1. 55 FOH1 Force Output for Internal Current Ranges (Channel 1). 56 EXTMEASIL1 Sense Input (Low Sense) for High Current Range (Channel 1). 57 EXTMEASIH1 Sense Input (High Sense) for High Current Range (Channel 1). 58 CCOMP1 Compensation Capacitor Input for Channel 1. See the Compensation Capacitors section. 59 CFF1 External Capacitor for Channel 1. This pin optimizes the stability and settling time performance of the force amplifier when in force voltage mode. See the Compensation Capacitors section. 61 EXTFOH1 Force Output for High Current Range (Channel 1). Use an external resistor at this pin for current ranges up to ±80 mA. For more information, see the Current Range Selection section. 63 MEASOUT3 Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 3. This pin is referenced to AGND. 64 MEASOUT2 Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 2. This pin is referenced to AGND. 65 MEASOUT1 Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 1. This pin is referenced to AGND. 66 MEASOUT0 Multiplexed DUT Voltage, Current Sense Output, Temperature Sensor Voltage for Channel 0. This pin is referenced to AGND. 68 SYS_FORCE External Force Signal Input. This pin enables the connection of the system PMU. 70 SYS_SENSE External Sense Signal Output. This pin enables the connection of the system PMU. 71 REFGND Accurate Analog Reference Input Ground. 72 VREF Reference Input for DAC Channels (5 V for specified performance). 73 DUTGND DUT Voltage Sense Input (Low Sense). By default, this input is shared among all four PMU channels. If a DUTGND input is required for each channel, the user can configure the GUARDINx/DUTGNDx pins as DUTGND inputs for each PMU channel. 75 SPI/LVDS Interface Select Pin. Logic low selects SPI-compatible interface mode; logic high selects LVDS interface mode. This pin has a pull-down current source (~350 μA). In LVDS interface mode, the CPOHx and CPOLx pins default to differential interface pins. 76 CGALM Open-Drain Output for Guard and Clamp Alarms. This open-drain pin provides shared alarm information about the guard amplifier and clamp circuitry. By default, this output pin is disabled. The system control register allows the user to enable this function and to set the open-drain output as a latched output. The user can also choose to enable alarms for the guard amplifier, the clamp circuitry, or both. When this pin flags an alarm, the origins of the alarm can be determined by reading back the alarm status register. Two flags per channel in this word (one latched, one unlatched) indicate which function caused the alarm and whether the alarm is still present. 77 TMPALM Open-Drain Output for Temperature Alarm. This latched, active low, open-drain output flags a temperature alarm to indicate that the junction temperature has exceeded the default temperature setting (130°C) or the user programmed temperature setting. Two flags in the alarm status register (one latched, one unlatched) indicate whether the temperature has dropped below 130°C or remains above 130°C. User action is required to clear this latched alarm flag by writing to the clear bit (Bit 6) in any of the PMU registers. 78 RESET Digital Reset Input. This active low, level sensitive input resets all internal nodes on the device to their power- on reset values. 80 EXTFOH0 Force Output for High Current Range (Channel 0). Use an external resistor at this pin for current ranges up to ±80 mA. For more information, see the Current Range Selection section. |
同様の部品番号 - AD5522JSVDZ |
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同様の説明 - AD5522JSVDZ |
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