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TMP86FS28DFG データシート(PDF) 265 Page - Toshiba Semiconductor |
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TMP86FS28DFG データシート(HTML) 265 Page - Toshiba Semiconductor |
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265 / 272 page  Page 253 TMP86FS28DFG 20.4 AD Conversion Characteristics Note 1: The total error includes all errors except a quantization error, and is defined as a maximum deviation from the ideal con- version line. Note 2: Conversion time is different in recommended value by power supply voltage. About conversion time, please refer to “Register Configuration”. Note 3: Please use input voltage to AIN input Pin in limit of VAREF to VSS. When voltage of range outside is input, conversion value becomes unsettled and gives affect to other channel conversion value. Note 4: Analog reference voltage range: ∆VAREF = VAREF − VSS Note 5: When AD is used with VDD < 2.7 V, the guaranteed temperature range varies with the operating voltage. Note 6: The AVDD pin should be fixed on the VDD level even though AD converter is not used. (VSS = 0.0 V, 4.5 V ≤ VDD ≤ 5.5 V, Topr = −40 to 85°C) Parameter Symbol Condition Min Typ. Max Unit Analog reference voltage VAREF AVDD − 1.0 – AVDD V Power supply voltage of analog control circuit (Note6) AVDD VDD AVSS VSS Analog reference voltage range (Note4) ∆VAREF 3.5 – – Analog input voltage VAIN AVSS – VAREF Power supply current of analog reference voltage IREF VDD = AVDD = VAREF = 5.5 V VSS = AVSS = 0.0 V –0.6 1.0 mA Non linearity error VDD = AVDD = 5.0 V VSS = AVSS = 0.0 V VAREF = 5.0 V –– ±2 LSB Zero point error –– ±2 Full scale error –– ±2 Total error –– ±2 (VSS = 0.0 V, 2.7 V ≤ VDD < 4.5 V, Topr = −40 to 85°C) Parameter Symbol Condition Min Typ. Max Unit Analog reference voltage VAREF AVDD − 1.0 – AVDD V Power supply voltage of analog control circuit (Note6) AVDD VDD AVSS VSS Analog reference voltage range (Note4) ∆VAREF 2.5 – – Analog input voltage VAIN VSS – VAREF Power supply current of analog reference voltage IREF VDD = AVDD = VAREF = 4.5 V VSS = AVSS = 0.0 V –0.5 0.8 mA Non linearity error VDD = AVDD = 2.7 V VSS = AVSS = 0.0 V VAREF = 2.7 V –– ±2 LSB Zero point error –– ±2 Full scale error –– ±2 Total error –– ±2 |
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