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SX8723 Datenblatt(PDF) 9 Page - Semtech Corporation |
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SX8723 Datenblatt(HTML) 9 Page - Semtech Corporation |
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9 / 53 page ![]() ADVANCED COMMUNICATIONS & SENSING V1.5 © 2007 Semtech Corp. www.semtech.com 9 SX8723 ZoomingADC™ for Pressure and Temperature Sensing Pin Configuration Marking Information Pin Description Pin Name Type Function 1 AC4 Analog Input Differential sensor input in conjunction with AC5 2 AC5 Analog Input Differential sensor input in conjunction with AC4 3 VBATT Power Input 2.4V to 5.5V power supply 4 VSS Power Input Chip Ground 5 READY Digital Output Conversion complete flag. Digital output sensor drive (VBATT or VSS) 6 D1 Digital IO + analog VREF Input in optional operating mode Digital output sensor drive (VBATT or VSS) 7 D0 Digital IO + analog VREF Output in optional operating mode 8 SDA Digital IO I 2C Data 9 SCL Digital IO I 2C Clock. Up to 400KHz. 10 VPUMP Power IO Charge pump output. Raises ADC supply above VBATT if VBATT supply is too low. Recommended range for capacitor is 1nF to 10 nF. Connect the capacitor to GND. 11 AC2 Analog Input Differential sensor input in conjunction with AC3 12 AC3 Analog Input Differential sensor input in conjunction with AC2 13 VSS Power Input Bottom ground pad (1) Notes: (1) This pin is internally connected to VSS. It should also be connected to VSS on PCB to reduce noise and improve thermal behavior. 8723 yyww xxxxx xxxxx Eyww = Date code xxxx = Semtech lot number |
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