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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RA4W1 датащи(PDF) 77 Page - Renesas Technology Corp |
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RA4W1 датащи(HTML) 77 Page - Renesas Technology Corp |
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77 / 105 page  R01DS0359EJ0100 Rev.1.00 Page 77 of 105 Mar 31, 2020 RA4W1 Datasheet 2. Electrical Characteristics Note: The characteristics apply when no pin functions other than 14-bit A/D converter input are used. Absolute accuracy does not include quantization errors. Offset error, full-scale error, DNL differential nonlinearity error, and INL integral nonlinearity error do not include quantization errors. Note 1. The conversion time is the sum of the sampling time and the comparison time. The number of sampling states is indicated for the test conditions. Note 2. Except for I/O input capacitance (Cin), see section 2.2.4, I/O VOH, VOL, and Other Characteristics. Figure 2.64 Equivalent circuit for analog input DNL differential nonlinearity error - ±1.0 - LSB - INL integral nonlinearity error - ±1.0 ±3.0 LSB - 14-bit mode Resolution - - 14 Bit - Conversion time*1 (Operation at PCLKC = 8 MHz) Permissible signal source impedance Max. = 5 kΩ 7.50 - - μs High-precision channel ADCSR.ADHSC = 1 ADSSTRn.SST[7:0] = 0Dh 10.88 - - μs Normal-precision channel ADCSR.ADHSC = 1 ADSSTRn.SST[7:0] = 28h Offset error - ±4.0 ±30.0 LSB High-precision channel ±40.0 LSB Other than above Full-scale error - ±6.0 ±30.0 LSB High-precision channel ±40.0 LSB Other than above Quantization error - ±0.5 - LSB - Absolute accuracy - ±12.0 ±32.0 LSB High-precision channel ±48.0 LSB Other than above DNL differential nonlinearity error - ±4.0 - LSB - INL integral nonlinearity error - ±4.0 ±12.0 LSB - Table 2.46 14-bit A/D converter channel classification (1 of 2) Classification Channel Conditions Remarks High-precision channel AN004 to AN006, AN009, AN010 AVCC0 = 1.8 to 3.6 V Pins AN004 to AN006, AN009 and AN010 cannot be used as general I/ O, IRQ3 inputs, and TS transmission, when the A/D converter is in use Normal-precision channel AN017, AN019, AN020 Internal reference voltage input channel Internal reference voltage AVCC0 = 2.0 to 3.6 V - Table 2.45 A/D conversion characteristics (5) in low power A/D conversion mode (2 of 2) Conditions: VCC = AVCC0 = 1.8 to 3.6 V (AVCC0 = VCC when VCC < 2.0 V), VREFH0 = 1.8 to 3.6 V Reference voltage range applied to the VREFH0 and VREFL0. Parameter Min Typ Max Unit Test conditions Rs Cin Rs Cin Cs ADC MCU Analog input ANn Analog input ANn Sensor |
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