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FDC1004DSCT Datasheet(PDF) 4 Page - Texas Instruments |
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FDC1004DSCT Datasheet(HTML) 4 Page - Texas Instruments |
4 / 33 page 1 2 3 4 5 10 9 8 7 6 SHLD1 CIN1 CIN2 CIN3 CIN4 SDA SCL VDD GND SHLD2 CIN1 CIN2 CIN3 CIN4 5 4 3 2 1 6 7 8 9 10 DAP SHLD1 SDA SCL VDD GND SHLD2 FDC1004 SNOSCY5B – AUGUST 2014 – REVISED APRIL 2015 www.ti.com 6 Pin Configuration and Functions WSON (DSC) 10 Pins TOP VSSOP (DGS) 10 Pins TOP Pin Functions PIN TYPE(1) DESCRIPTION NAME NO. SHLD1 1 A Capacitive Input Active AC Shielding. Capacitive Input. The measured capacitance is connected between the CIN1 pin and GND. If CIN1 2 A not used, this pin should be left as an open circuit. Capacitive Input. The measured capacitance is connected between the CIN2 pin and GND. If CIN2 3 A not used, this pin should be left as an open circuit. Capacitive Input. The measured capacitance is connected between the CIN3 pin and GND. If CIN3 4 A not used, this pin should be left as an open circuit. Capacitive Input. The measured capacitance is connected between the CIN4 pin and GND. If CIN4 5 A not used, this pin should be left as an open circuit. SHLD2 6 A Capacitive Input Active AC Shielding. GND 7 G Ground Power Supply Voltage. This pin should be decoupled to GND, using a low impedance VDD 8 P capacitor, for example in combination with a 1- μF tantalum and a 0.1-μF multilayer ceramic. Serial Interface Clock Input. Connects to the master clock line. Requires pull-up resistor if not SCL 9 I already provided elsewhere in the system. Serial Interface Bidirectional Data. Connects to the master data line. Requires a pull-up SDA 10 I/O resistor if not provided elsewhere in the system. DAP(2) - N/A Connect to GND (1) P=Power, G=Ground, I=Input, O=Output, A=Analog, I/O=Bi-Directional Input/Output (2) There is an internal electrical connection between the exposed Die Attach Pad (DAP) and the GND pin of the device. Although the DAP can be left floating, for best performance the DAP should be connected to the same potential as the device's GND pin. Do not use the DAP as the primary ground for the device. The device GND pin must always be connected to ground. 4 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: FDC1004 |
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