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SX8722I070LF Datasheet(PDF) 8 Page - Semtech Corporation |
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SX8722I070LF Datasheet(HTML) 8 Page - Semtech Corporation |
8 / 108 page ACS - Revision 4.2 October 2008 ©2008 Semtech Corp. www.semtech.com Page 8 ADVANCED COMMUNICATIONS & SENSING DATASHEET SX8722 High gain acquisition for sensor interface Table 1. ZoomingADC specifications ADC STATIC PERFORMANCES Resolution n (Note 7) 6 16 Bits No Missing Codes (Note 8) Gain Error (Note 9) +/- 0.15 % of FS Offset Error n = 16 bits (Note 10) +/- 1 LSB Integral Non-Linearity INL resolution n = 16 bits (Note 11) +/- 1.0 LSB Differential Non-Linearity DNL resolution n = 16 bits (Note 12) +/- 0.5 LSB Power Supply Rejection Ratio PSRR VBATT = 5V +/- 0.3V (Note 13) 78 dB VBATT = 3V +/- 0.3V (Note 13) 72 dB ADC DYNAMIC PERFORMANCES Throughput Rate (Continuous Mode) TCONV n = 12 bits (Note 14) 3 133 cycles / fS n = 16 bits (Note 14) 0 1027 cycles / fS Throughput Rate (Continuous Mode) 1/TCONV n = 12 bits, fS 3.76 kS/s n = 16 bits, fS 0.49 kS/s Nbr of Initialization Cycles NINIT 02 cycles Nbr of End Conversion Cycles NEND 0 5 cycles PGA Stabilization Delay (Note 15) OSR cycles TIME BASE Max ADC oversampling frequency fSmax @ 25°C, with a 32k XTAL 270 300 330 kHz Min ADC oversampling frequency fSmin @ 25°C, with a 32KXTAL 33 37.5 42 kHz DIGITAL OUTPUT ADC Output Data Coding See Table 55 and Table 56 Binary Two’s Complement TEMPERATURE Specified Range -40 +85 °C Operating Range -40 +125 °C PARAMETER COMMENTS/CONDITIONS VALUE UNITS MIN TYP MAX |
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