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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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S3A3 датащи(PDF) 106 Page - Renesas Technology Corp |
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S3A3 датащи(HTML) 106 Page - Renesas Technology Corp |
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106 / 139 page  R01DS0307EU0100 Rev.1.00 Page 106 of 139 Mar 7, 2017 S3A3 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 1. The internal reference voltage cannot be selected for input channels when AVCC0 < 2.0 V. Note 2. The 14-bit A/D internal reference voltage indicates the voltage when the internal reference voltage is input to the 14-bit A/D converter. Conversion time*1 (Operation at PCLKC = 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 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 2.55 14-bit A/D converter channel classification Classification Channel Conditions Remarks High-precision channel AN000 to AN015 AVCC0 = 1.6 to 5.5 V Pins AN000 to AN015 cannot be used as general I/O, IRQ2, IRQ3 inputs, and TS transmission, when the A/D converter is in use Normal-precision channel AN016 to AN027 Internal reference voltage input channel Internal reference voltage AVCC0 = 2.0 to 5.5 V - Temperature sensor input channel Temperature sensor output AVCC0 = 2.0 to 5.5 V - Table 2.56 A/D internal reference voltage characteristics Conditions: VCC = AVCC0 = VREFH0 = 2.0 to 5.5 V*1 Parameter Min Typ Max Unit Test conditions Internal reference voltage input channel*2 1.36 1.43 1.50 V - Sampling time 5.0 - - µs - Table 2.54 A/D conversion characteristics (7) in low power A/D conversion mode (2 of 2) Conditions: VCC = AVCC0 = 1.6 to 5.5 V (AVCC0 = VCC when VCC < 2.0 V), VREFH0 = 1.6 to 5.5 V Reference voltage range applied to the VREFH0 and VREFL0. Parameter Min Typ Max Unit Test conditions |
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