RV1S9353A Chapter Title ELECTRICAL CHARACTERISTICS (Tested with Sinc3 filter, 256 decimation ratio.) (TYP.: TA = 25C, VIN = VIN = 0 V, VDD1 = VDD2 = 5 V, MIN., MAX.: refer to RECOMMENDED OPERATING CONDITIONS, unless otherwise specified) Parameter Symbol Conditions MIN. TYP. MAX. Unit TA = -40 ~ 85C, 3 15 LSB Integral Non-linearity *3 INL VIN+ = -200 ~ +200 mV TA = 85 ~ 110C, 25 LSB TA = -40 ~ 110C, Differential Non-linearity *4 DNL 0.9 LSB VIN+ = -200 ~ +200 mV Input Offset Voltage *5 VOS 2 0 2 mV Input Offset Voltage Drift dVOS/dTA 0.2 2.5 V/C vs. Temperature Input Offset Voltage Drift dVOS/dVDD1 40 V/V vs. Supply Voltage Internal Reference Voltage *6 VREF 320 mV Absolute Internal Reference TA = 25C 0.5 0.5 % GE Voltage Tolerance TA = 40 ~ 110C 1 1 % Internal Reference Voltage Drift dVREF/dTA 30 60 ppm/C vs. Temperature Internal Reference Voltage Drift dVREF/dVDD1 0.2 mV/V vs. Supply Voltage Input DC Common-Mode CMRRIN 80 dB Rejection Ratio *7 *3 Integral non-linearity (INL) is the maximum deviation between the ideal conversion line (best-fit line) and measured points. The best-fit line is obtained by using the least-squares method from the differential input voltage (VIN+ VIN: VIN+ = 200 mV to 200 mV, VIN = 0 V) and the output data that is measured under the circuit shown in Fig. 7 INL Test Circuit. INL is defined as the ratio (%) obtained by dividing [Half of the peak to peak value of the deviation] by [full-scale differential input voltage 400 mV]. For example, if the differential input voltage is VIN+ = 200 mV to 200 mV, and the peak to peak value of the deviation is 0.49 mV, Integral non-linearity is obtained as follows: INL = 0.49 mV/(2 400 mV) = 0.06% And Input Full-Scale 640 mV (320 to 320 mV) of RV1S9353A is assigned 16 bits (216 = 65536). Therefore, Least Significant Bit (LSB) is 9.75 V. By LSB indication, above-mentioned INL is 0.49 mV/(2 0.00975 mV) = 25 LSBs. *4 Differential non-linearity (DNL) is the difference between a measured code width and ideal 1 LSB in the ADC transfer curve. *5 Input offset voltage (VOS) is a measured value after Sinc3 digital filter when the input voltage is 0 V (VIN+ = VIN- = 0 V). *6 Absolute Internal Reference Voltage Tolerance (GE) is the gap rate between the ideal conversion line slope (Slope = 1) and a best-fit line slope that provided by the least-squares method from a real conversion level output for the differential input voltage (VIN+ VIN-: VIN+ = 200 mV to 200 mV, VIN- = 0 V). *7 Input DC Common-Mode Rejection Ratio (CMRRIN) is the ratio of the differential signal (VIN+ = 200 mV to 200 mV, VIN = 0 V) to the common-mode signal (VIN+ = VIN = 200 mV to 200 mV: Both input pins are connected). CMRRIN is defined as follows, CMRRIN (dB) = 20 log (Vdo/Vco) Vdo : Output voltage when the differential signal voltage input Vco : Output voltage when the common-mode signal voltage input R08DS0174EJ0100 Rev.1.00 Page 6 of 19 Mar 23, 2020
