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EM78P372KSS20 Datasheet(PDF) 101 Page - ELAN Microelectronics Corp |
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EM78P372KSS20 Datasheet(HTML) 101 Page - ELAN Microelectronics Corp |
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101 / 118 page ![]() EM78P372K 8-bit Microcontroller Product Specification (V1.4) 05.11.2016 93 (This specification is subject to change without prior notice) 9.1 AD Converter Characteristics Vdd=2.5V to 5.5V, Vss=0V, Ta=-40 to 85°C Symbol Parameter Condition Min. Typ. Max. Unit VAREF Analog reference voltage VAREF - VASS 2.5V 2.5 Vdd V VASS Vss Vss V VAI Analog input voltage VASS VAREF V IAI1 Ivdd Analog supply current VDD=VAREF=5.0V, VASS = 0.0V (V reference from Vdd) 1400 µA Ivref 10 µA IAI2 Ivdd Analog supply current VDD=VAREF=5.0V, VASS = 0.0V (V reference from VREF) 900 µA IVref 500 µA RN1 Resolution ADREF=0, Internal VDD VDD=5.0V, VSS = 0.0V 9 10 Bits RN2 Resolution ADREF=1, External VREF VDD=VREF=5.0V, VSS = 0.0V 11 12 Bits LN1 Linearity error VDD = 2.5 to 5.5V Ta=25°C ±4 LSB DNL Differential nonlinear error VDD = 2.5 to 5.5V Ta=25°C ±1 LSB FSE1 Full scale error VDD=VAREF=5.0V, VASS = 0.0V ±8 LSB OE Offset error VDD=VAREF=5.0V, VASS = 0.0V ±4 LSB ZAI Recommended impedance of analog voltage source 10 KΩ TAD ADC clock duration VDD=VAREF=5.0V, VASS = 0.0V 1 µs TCN AD conversion time VDD=VAREF=5.0V, VASS = 0.0V 16 TAD PSR Power Supply Rejection VDD=5.0V±0.5V 2 LSB V1/4VDD Accuracy for 1/4 VDD ±3 % V1/2VDD Accuracy for 1/2 VDD ±3 % Note: 1. These parameters are hypothetical (not tested) and provided for design reference use only. 2. When ADC is off, there is no current consumption other than minor leakage current. 3. AD conversion result will not decrease when an increase of input voltage and no missing code will result. 4. These parameters are subject to change without further notice. |
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