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MB9AF112LMA Datasheet(PDF) 99 Page - SPANSION |
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MB9AF112LMA Datasheet(HTML) 99 Page - SPANSION |
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99 / 121 page  D a t a S h e e t 96 MB9A110A-DS706-00011-3v0-E, December 16, 2014 CONFIDENTIAL 5. 12-bit A/D Converter Electrical Characteristics for the A/D Converter (Vcc = AVcc = 2.7V to 5.5V, Vss = AVss = 0V, Ta = - 40°C to + 105°C) Parameter Symbol Pin name Value Unit Remarks Min Typ Max Resolution - - - - 12 bit Integral Nonlinearity - - - ± 1.7 ± 4.5 LSB AVRH = 2.7V to 5.5V Differential Nonlinearity - - - ± 1.7 ± 2.5 LSB Zero transition voltage VZT ANxx - ± 8 ± 15 mV Full-scale transition voltage VFST ANxx - AVRH±8 AVRH±15 mV Conversion time - - 1.0* 1 - - μs AVcc ≥ 4.5V 1.2* 1 AVcc < 4.5V Sampling time Ts - *2 - - ns AVcc ≥ 4.5V *2 - - AVcc < 4.5V Compare clock cycle* 3 Tcck - 50 - 2000 ns State transition time to operation permission Tstt - - - 1.0 μs Analog input capacity CAIN - - - 12.9 pF Analog input resistor RAIN - - - 2 kΩ AVcc ≥ 4.5V 3.8 AVcc < 4.5V Interchannel disparity - - - - 4 LSB Analog port input current - ANxx - - 5 μA Analog input voltage - ANxx AVSS - AVRH V Reference voltage - AVRH 2.7 - AVCC V *1 : The conversion time is the value of sampling time (Ts) + compare time (Tc). The condition of the minimum conversion time is the following. AVcc ≥ 4.5V, HCLK=40MHz sampling time: 300ns, compare time: 700ns AVcc < 4.5V, HCLK=40MHz sampling time: 500ns, compare time: 700ns Ensure that it satisfies the value of the sampling time (Ts) and compare clock cycle (Tcck). For setting of the sampling time and compare clock cycle, see "CHAPTER 1-1: A/D Converter" in "FM3 Family PERIPHERAL MANUAL Analog Macro Part". The A/D Converter register is set at APB bus clock timing. The sampling clock and compare clock are set at Base clock (HCLK). About the APB bus number which the A/D Converter is connected to, see "BLOCK DIAGRAM" in this data sheet. *2 : A necessary sampling time changes by external impedance. Ensure that it set the sampling time to satisfy (Equation 1) *3 : The compare time (Tc) is the value of (Equation 2) |
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