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UPD178002 Datasheet(PDF) 37 Page - NEC |
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UPD178002 Datasheet(HTML) 37 Page - NEC |
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37 / 48 page  37 µPD178002, 178003 Data Sheet U12628EJ3V0DS00 A/D Converter Characteristics (TA = –40 to +85 °C, VDD = 4.5 to 5.5 V) Parameter Symbol Conditions MIN. TYP. MAX. Unit Resolution 8 8 8 bit Conversion overall ±3.0 LSB error Conversion time tCONV 22.2 44.4 µs Sampling time tSAMP 15/fXX µs Analog input VIAN 0VDD V voltage Remarks 1. fXX: System clock frequency (fX/2) 2. fX: System clock oscillation frequency PLL Characteristics (TA = –40 to +85 °C, VDD = 4.5 to 5.5 V) Parameter Symbol Conditions MIN. TYP. MAX. Unit Operating fIN1 VCOL pin MF mode Sine wave input VIN = 0.1 Vp-p 0.5 3 MHz frequency fIN2 VCOL pin HF mode Sine wave input VIN = 0.2 Vp-p 9 55 MHz fIN3 VCOH pin VHF mode Sine wave input VIN = 0.15 Vp-p 60 160 MHz IFC Characteristics (TA = –40 to +85 °C, VDD = 4.5 to 5.5 V) Parameter Symbol Conditions MIN. TYP. MAX. Unit Operating fIN4 AMIFC pin AMIF count mode 0.4 0.5 MHz frequency Sine wave input VIN = 0.1 Vp-pNote fIN5 FMIFC pin FMIF count mode 10 11 MHz Sine wave input VIN = 0.1 Vp-pNote fIN6 FMIFC pin AMIF count mode 0.4 0.5 MHz Sine wave input VIN = 0.1 Vp-pNote Note The condition of a sine wave input of VIN = 0.1 Vp-p is the standard value of this device during standalone operation, so in consideration of the effect of noise, operation of an input amplitude condition of VIN = 0.15 Vp-p is recommended. |
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