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RA4M1 数据表(PDF) 87 Page - Renesas Technology Corp |
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RA4M1 数据表(HTML) 87 Page - Renesas Technology Corp |
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87 / 130 page  R01DS0355EJ0100 Rev.1.00 Page 87 of 130 Oct 8, 2019 RA4M1 Group 2. Electrical Characteristics 2.5 ADC14 Characteristics Figure 2.68 AVCC0 to VREFH0 voltage range Table 2.42 A/D conversion characteristics (1) in high-speed A/D conversion mode (1 of 2) Conditions: VCC = AVCC0 = 4.5 to 5.5 V, VREFH0 = 4.5 to 5.5 V Reference voltage range applied to the VREFH0 and VREFL0. Parameter Min Typ Max Unit Test conditions Frequency 1 - 64 MHz - Analog input capacitance*2 Cs - - 8 (reference data) pF High-precision channel - - 9 (reference data) pF Normal-precision channel Analog input resistance Rs - - 2.5 (reference data) kΩ High-precision channel - - 6.7 (reference data) kΩ Normal-precision channel Analog input voltage range Ain 0 - VREFH0 V - 12-bit mode Resolution - - 12 Bit - Conversion time*1 (Operation at PCLKC = 64 MHz) Permissible signal source impedance Max. = 0.3 kΩ 0.70 - - μs High-precision channel ADCSR.ADHSC = 0 ADSSTRn.SST[7:0] = 0Dh 1.13 - - μs Normal-precision channel ADCSR.ADHSC = 0 ADSSTRn.SST[7:0] = 28h Offset error - ±0.5 ±4.5 LSB High-precision channel ±6.0 LSB Other than above Full-scale error - ±0.75 ±4.5 LSB High-precision channel ±6.0 LSB Other than above Quantization error - ±0.5 - LSB - Absolute accuracy - ±1.25 ±5.0 LSB High-precision channel ±8.0 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 - VREFH0 5.0 4.0 3.0 2.0 1.0 1.0 2.0 3.0 4.0 5.0 A/D Conversion Characteristics (2) ADCSR.ADHSC = 0 5.5 2.7 2.4 2.42.7 5.5 AVCC0 VREFH0 5.0 4.0 3.0 2.0 1.0 1.0 2.0 3.0 4.0 5.0 ADCSR.ADHSC = 1 5.5 2.7 2.4 2.42.7 5.5 AVCC0 1.8 1.8 A/D Conversion Characteristics (1) A/D Conversion Characteristics (3) A/D Conversion Characteristics (4) A/D Conversion Characteristics (5) A/D Conversion Characteristics (6) A/D Conversion Characteristics (7) 1.6 1.6 |
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