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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP86FS49AIUG датащи(PDF) 287 Page - Toshiba Semiconductor |
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TMP86FS49AIUG датащи(HTML) 287 Page - Toshiba Semiconductor |
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287 / 296 page  Page 271 TMP86FS49AIUG 22.4 AD Characteristics Note 1: The total error includes all errors except a quanitization error, and is defined as a maximum deviation from the ideal con- version line. Note 2: Conversion time is defferent in recommended value by power supply voltage. Note 3: The voltage to be input on the AIN input pin must not exceed the range between VAREF and VSS. If a voltage outside this range is input, conversion values will become unstable and conversion values of other channels will also be affected. Note 4: Analog reference voltage range: ∆V AREF = VAREF - VSS Note 5: When AD converter is not used, fix the AVDD and VAREF pin on the VDD level. (VSS = 0.0 V, 4.5 V ≤ VDD ≤ 5.5 V, Topr = -40 to 85 °C) Paramete Symbol Condition Min Typ. Max Unit Analog reference voltage VAREF AVDD - 1.0 – AVDD V Power supply voltage of analog control circuit AVDD VDD Analog reference voltage range (Note 4) ∆ V AREF 3.5 – – Analog input voltage VAIN VSS – VAREF Power supply current of analog refer- ence voltage IREF VDD = AVDD = VAREF = 5.5 V VSS = 0.0 V –0.6 1.0 mA Non linearity error VDD = AVDD = 5.0 V, VSS = 0.0 V VAREF = 5.0 V –– ±2 LSB Zero point error –– ±2 Full scale error –– ±2 Total error –– ±2 (VSS = 0 V, 3.0 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 AVDD VDD Analog reference voltage range (Note 4) ∆ V AREF 2.5 – – Analog input voltage VAIN VSS – VAREF Power supply current of analog refer- ence voltage IREF VDD = AVDD = VAREF = 4.5 V VSS = 0.0 V –0.5 0.8 mA Non linearity error VDD = AVDD = 3.0 V VSS = 0.0 V VAREF = 3.0 V –– ±2 LSB Zero point error –– ±2 Full scale error –– ±2 Total error –– ±2 |
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