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AD7147A-1ACBZ-RL Datasheet(PDF) 9 Page - Analog Devices |
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AD7147A-1ACBZ-RL Datasheet(HTML) 9 Page - Analog Devices |
9 / 69 page AD7147A Rev. B | Page 8 of 68 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 3 CIN0 SCLK GND 1 A B C D 2 5 E 4 CIN1 CIN2 CIN3 CIN4 CIN5 CIN6 CIN7 CIN8 CIN9 CIN10 CIN11 CIN12 SDO SDI CS INT GPIO TP VDRIVE VCC ACSHIELD BIAS TOP VIEW (BALL SIDE DOWN) Not to Scale BALL A1 INDICATOR NOTES 1. TP DENOTES FACTORY TEST POINT. Figure 5. AD7147A Pin Configuration 3 CIN0 SCLK GND 1 A B C D 2 5 E 4 CIN1 CIN2 CIN3 CIN4 CIN5 CIN6 CIN7 CIN8 CIN9 CIN10 CIN11 CIN12 SDA INT GPIO TP VDRIVE VCC ACSHIELD BIAS BALL A1 INDICATOR ADD0 ADD1 TOP VIEW (BALL SIDE DOWN) Not to Scale NOTES 1. TP DENOTES FACTORY TEST POINT. Figure 6. AD7147A-1 Pin Configuration Table 7. Pin Function Descriptions Pin No. AD7147A AD7147A-1 Mnemonic Description B4 B4 CIN6 Capacitance Sensor Input. B5 B5 CIN7 Capacitance Sensor Input. C4 C4 CIN8 Capacitance Sensor Input. C5 C5 CIN9 Capacitance Sensor Input. D4 D4 CIN10 Capacitance Sensor Input. D5 D5 CIN11 Capacitance Sensor Input. E5 E5 CIN12 Capacitance Sensor Input. E4 E4 ACSHIELD CDC Active Shield Output. Connect to external shield or plane. E3 E3 BIAS Bias Node for Internal Circuitry. Requires 100 nF capacitor to ground. E2 E2 GND Ground Reference Point for All Circuitry. D2 D2 VCC Supply Voltage. C2 C2 VDRIVE Serial Interface Operating Voltage Supply. E1 N/A SDO SPI Serial Data Output. N/A E1 SDA I2C Serial Data Input/Output. SDA requires pull-up resistor. D1 N/A SDI SPI Serial Data Input. N/A D1 ADD0 I2C Address Bit 0. C1 C1 SCLK Clock Input for Serial Interface. B1 N/A CS SPI Chip Select Signal. N/A B1 ADD1 I2C Address Bit 1. A1 A1 INT General-Purpose Open-Drain Interrupt Output. Programmable polarity; requires pull-up resistor. A2 A2 GPIO Programmable General-Purpose Input/Output. D3 D3 CIN0 Capacitance Sensor Input. A3 A3 CIN1 Capacitance Sensor Input. B3 B3 CIN2 Capacitance Sensor Input. A4 A4 CIN3 Capacitance Sensor Input. C3 C3 CIN4 Capacitance Sensor Input. A5 A5 CIN5 Capacitance Sensor Input. B2 B2 Factory Test Point Only. Tie to ground. |
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