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S124 Arkusz danych(PDF) 75 Page - Renesas Technology Corp |
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S124 Arkusz danych(HTML) 75 Page - Renesas Technology Corp |
75 / 98 page R01DS0264EU0100 Rev.1.00 Page 75 of 95 Feb 23, 2016 S124 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. 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 A/D conversion characteristics (7) in low power mode (1/2) Conditions: VCC = AVCC0 = 1.6 to 5.5 V (AVCC0 = VCC when VCC < 2.0 V), VREFH0 = 1.6 to 5.5 V, VSS = AVSS0 = VREFL0 = 0 Reference voltage range applied to the VREFH0 and VREFL0. Item Min Typ Max Unit Test Conditions Frequency 1 - 4 MHz - Analog input capacitance Cs - - 15 pF High-precision channel - - 30 pF Normal-precision channel Analog input resistance Rs - - 2.5 kΩ - Analog input voltage range Ain 0 - VREFH0 V - 12-bit mode Resolution - - 12 Bit - Conversion time*1 (Operation at PCLKD = 4 MHz) Permissible signal source impedance Max. = 9.9 kΩ 13.5 - - μs High-precision channel ADCSR.ADHSC = 1 ADSSTRn.SST[7:0] = 0Dh 20.25 - - μs Normal-precision channel ADCSR.ADHSC = 1 ADSSTRn.SST[7:0] = 28h Offset error - ±1.0 ±7.5 LSB High-precision channel ±10.0 LSB Other than above Full-scale error - ±1.5 ±7.5 LSB High-precision channel ±10.0 LSB Other than above Quantization error - ±0.5 - LSB - Absolute accuracy - ±3.0 ±8.0 LSB High-precision channel ±12.0 LSB Other than above 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 PCLKD = 4 MHz) Permissible signal source impedance Max. = 9.9 kΩ 15.0 - - μs High-precision channel ADCSR.ADHSC = 1 ADSSTRn.SST[7:0] = 0Dh 21.75 - - μs Normal-precision channel ADCSR.ADHSC = 1 ADSSTRn.SST[7:0] = 28h Table 2.45 A/D conversion characteristics (6) in low power mode (2/2) Conditions: VCC = AVCC0 = 1.8 to 5.5 V (AVCC0 = VCC when VCC < 2.0 V), VREFH0 = 1.8 to 5.5 V, VSS = AVSS0 = VREFL0 = 0 V Reference voltage range applied to the VREFH0 and VREFL0. Item Min Typ Max Unit Test Conditions |
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