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AD7143 数据表(PDF) 8 Page - Analog Devices |
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AD7143 数据表(HTML) 8 Page - Analog Devices |
8 / 57 page AD7143 Rev. 0 | Page 7 of 56 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS PIN 1 INDICATOR 1 CIN2 2 CIN3 3 CIN4 4 CIN5 11 VDRIVE 12 SDA 10 GND 9VCC AD7143 TOP VIEW (Not to Scale) Figure 3. Pin Configuration Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 CIN2 Capacitance Sensor Input. 2 CIN3 Capacitance Sensor Input. 3 CIN4 Capacitance Sensor Input. 4 CIN5 Capacitance Sensor Input. 5 CIN6 Capacitance Sensor Input. 6 CIN7 Capacitance Sensor Input. 7 CSHIELD CDC Shield Potential Output. Requires 10 nF capacitor to ground. 8 SRC CDC Excitation Source Output. 9 VCC CDC Supply Voltage. 10 GND Ground Reference Point for All CDC Circuitry. Tie to ground plane. 11 VDRIVE I2C Serial Interface Operating Voltage 12 SDA I2C Serial Data Input/Output. SDA requires pull-up resistor. 13 SCLK Clock Input for Serial Interface. SCLK requires pull-up resistor. 14 INT General-Purpose Open-Drain Interrupt Output. Programmable polarity; requires pull-up resistor. 15 CIN0 Capacitance Sensor Input. 16 CIN1 Capacitance Sensor Input. |
类似零件编号 - AD7143_17 |
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类似说明 - AD7143_17 |
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