Data SheetADIS16209PIN CONFIGURATION AND FUNCTION DESCRIPTIONSADCEFNDDDGVRAUXV16151413AYSCLK112AUX DACAXPIN 1 INDICATORDOUT211DNCADIS16209TOPLOOK THROUGHDIN3VIEW10DNC(Not to Scale)CS49RST5678IO1IO2DDDNCDNCNOTES 1. DNC = DO NOT CONNECT TO THIS PIN. 2. THIS IS NOT AN ACTUAL TOP VIEW, BECAUSE THE PINS ARE NOT VISIBLE FROM THE TOP. THIS IS 005 A LAYOUT VIEW THAT REPRESENTS THE PIN CONFIGURATION IF THE PACKAGE IS LOOKED THROUGH FROM THE TOP. THIS CONFIGURATION IS PROVIDED FOR PCB LAYOUT PURPOSES. 07096- Figure 5. Pin Configuration Table 5. Pin Function Descriptions Pin No.MnemonicType1Description 1 SCLK I SPI, Serial Clock. 2 DOUT O SPI, Data Output. 3 DIN I SPI, Data Input. 4 CS I SPI, Chip Select. 5, 6 DIO1, DIO2 I/O Digital Input/Output Pins. 7, 8, 10, 11 DNC N/A Do not connect to this pin. 9 RST I Reset, Active Low. 12 AUX DAC O Auxiliary DAC Output. 13 VDD S Power Supply, 3.3 V. 14 AUX ADC I Auxiliary ADC Input. 15 VREF O Precision Reference. 16 GND S Ground. 1 S = supply; O = output; I = input. RECOMMENDED PAD GEOMETRY4.18658×2.69558×0.670 12×8.3735.3912×4×0.500 16×1.12716× 006 9.2mm × 9.2mm STACKED LGA PACKAGE 07096- Figure 6. Example of a Pad Layout Rev. F | Page 7 of 21 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS RECOMMENDED PAD GEOMETRY TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION OUTPUT DATA REGISTERS Accelerometers Horizontal Incline Angle Vertical Incline Angle Internal Temperature Power Supply Auxiliary ADC OPERATION CONTROL REGISTERS Internal Sample Rate Power Management Digital Filtering Digital I/O Lines Data-Ready I/O Indicator Self-Test General-Purpose I/O Auxiliary DAC Global Commands CALIBRATION REGISTERS ALARM REGISTERS Status APPLICATIONS INFORMATION POWER SUPPLY CONSIDERATIONS Power-On-Reset Function Transient Current from VDD Ramp Rate Filter Settling ASSEMBLY INTERFACE BOARD OUTLINE DIMENSIONS ORDERING GUIDE