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MB90378 Datasheet(PDF) 56 Page - Fujitsu Component Limited. |
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MB90378 Datasheet(HTML) 56 Page - Fujitsu Component Limited. |
56 / 65 page ![]() MB90378 Series 56 5. A/D Converter Electrical Characteristics (2.7 V ≤ AVR − AVSS, VCC = AVCC = 2.7 V to 3.6 V, VSS = AVSS = 0.0 V, TA = −40 °C to +85 °C) *: The current when the A/D converter is not operating or the CPU is in stop mode (for VCC = AVCC = AVR = 3.0 V). Parameter Symbol Pin name Value Unit Remarks Min Typ Max Resolution ⎯⎯ ⎯ ⎯ 10 bit Total error ⎯⎯ ⎯ ⎯ ± 3.0 LSB Non-linear error ⎯⎯ ⎯ ⎯ ± 2.5 LSB Differential linearity error ⎯⎯ ⎯ ⎯ ± 1.9 LSB Zero transition voltage VOT AN0 to AN11 AVSS − 1.5 LSB AVSS + 0.5 LSB AVSS + 5.5 LSB mV For MB90V378 AVSS + 2.5 LSB For MB90F378 Full-scale transition voltage VFST AN0 to AN11 AVR − 3.5 LSB AVR − 1.5 LSB AVR + 0.5 LSB mV Conversion time ⎯⎯ 3.1 ⎯⎯ µs Actual value is specified as a sum of values specified in ADCR0 : CT1, CT0 and ADCR0 : ST1, ST0. Be sure that the setting value is greater than the min value Sampling period ⎯⎯ 2 ⎯⎯ µs Actual value is specified in ADCR0 : ST1, ST0 bits. Be sure that the setting value is greater than the min value Analog port input current IAIN AN0 to AN11 ⎯ 0.1 10 µA Analog input voltage VAIN AN0 to AN11 AVSS ⎯ AVR V Reference voltage ⎯ AVR AVSS + 2.7 ⎯ AVCC V Power supply current IA AVCC ⎯ 1.4 6.4 mA IAH ⎯⎯ 5 µA* Reference voltage supply current IR AVR ⎯ 94 300 µA IRH ⎯⎯ 5 µA* Offset between channels — AN0 to AN11 ⎯⎯ 4LSB |