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ADUM1420 数据表(PDF) 7 Page - Analog Devices |
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ADUM1420 数据表(HTML) 7 Page - Analog Devices |
7 / 12 page ADuM1420 Rev. A | Page 7 of 12 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS VDDB VOB GNDB NC NC GNDC VDDC VOC GNDC NC NC VDDD VOD GNDD VOA VDDA GNDA NC NC NC GND1 VDD1 VIA VIB VIC VID ED DISABLE GND1 1 2 3 4 28 27 26 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 NC = NO CONNECT ADuM1420 TOP VIEW (Not to Scale) NOTES PIN 7 AND PIN 14 ARE INTERNALLY CONNECTED. CONNECTING BOTH TO GND1 IS RECOMMENDED. PIN 20 AND PIN 23 ARE INTERNALLY CONNECTED. CONNECTING BOTH TO GNDC IS RECOMMENDED. PIN 4, PIN 5, PIN 6, PIN 18, PIN 19, PIN 24, AND PIN 25 ARE FLOATING AND SHOULD BE LEFT UNCONNECTED. Figure 2. Pin Configuration Table 8. Pin Function Descriptions Pin No. Mnemonic Description 1 VOA Output A. 2 VDDA Output A Supply Voltage, 12 V to 18 V. 3 GNDA Ground Reference for Output A. 4 to 6, 18, 19, 24, 25 NC No Connection. 7, 14 GND1 Ground Reference for Input Logic Signals. 8 VDD1 Input Supply Voltage, 4.5 V to 5.5 V. 9 VIA Logic Input A. 10 VIB Logic Input B. 11 VIC Logic Input C. 12 VID Logic Input D. 13 ED DISABLE Error Detection Disable. Disables the internal error detection function so that the logic outputs always match the logic inputs. 15 GNDD Ground Reference for Output D. 16 VOD Output D. 17 VDDD Output D Supply Voltage, 12 V to 18 V. 20, 23 GNDC Ground Reference for Output C. 21 VOC Output C. 22 VDDC Output C Supply Voltage, 12 V to 18 V. 26 GNDB Ground Reference for Output B. 27 VOB Output B. 28 VDDB Output B Supply Voltage, 12 V to 18 V. |
类似零件编号 - ADUM1420 |
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类似说明 - ADUM1420 |
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