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S3A7 Folha de dados(PDF) 100 Page - Renesas Technology Corp |
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S3A7 Folha de dados(HTML) 100 Page - Renesas Technology Corp |
100 / 133 page R01DS0263EU0100 Rev.1.00 Page 100 of 130 Feb 23, 2016 S3A7 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. 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 2.54 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 PCLKC = 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 - Table 2.53 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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