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R5F564MFDDFB Datasheet(PDF) 204 Page - Renesas Technology Corp |
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R5F564MFDDFB Datasheet(HTML) 204 Page - Renesas Technology Corp |
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204 / 228 page  R01DS0173EJ0110 Rev.1.10 Page 204 of 228 Oct 24, 2016 RX64M Group 5. Electrical Characteristics 5.5 A/D Conversion Characteristics Note: The above specification values apply when there is no access to the external bus during A/D conversion. If access proceeds during A/D conversion, values may not fall within the above ranges. Note 1. The conversion time includes the sampling time and the comparison time. As the test conditions, the number of sampling states is indicated. Note 2. The value in parentheses indicates the sampling time. Table 5.45 12-Bit A/D (Unit 0) Conversion Characteristics Conditions: VCC = AVCC0 = AVCC1 = VCC_USB = VBATT = 2.7 to 3.6 V, 2.7 ≤ VREFH0 ≤ AVCC0, VCC_USBA = AVCC_USBA = 3.0 to 3.6 V, VSS = AVSS0 = AVSS1 = VREFL0 = VSS_USB = VSS1_USBA = VSS2_USBA = PVSS_USBA = AVSS_USBA = 0 V, PCLKB = PCLKC = 1 MHz to 60 MHz, Ta = Topr Item Min. Typ. Max. Unit Test Conditions Resolution 8 — 12 Bit Analog input capacitance — — 30 pF Channel-dedicated sample-and-hold circuits in use (AN000 to AN002) Conversion time*1 (Operation at PCLK = 60 MHz) Permissible signal source impedance (max.) = 1.0 k Ω 1.06 (0.40 + 0.25) *2 —— μs Sampling of channel- dedicated sample-and- hold circuits in 24 states Sampling in 15 states Offset error — ±1.5 ±3.5 LSB AN000 to AN002 = 0.25 V Full-scale error — ±1.5 ±3.5 LSB AN000 to AN002 = VREFH0 - 0.25 V Quantization error — ±0.5 — LSB Absolute accuracy — ±2.5 ±5.5 LSB DNL differential nonlinearity error — ±1.0 ±2.0 LSB INL integral nonlinearity error — ±1.5 ±3.0 LSB Holding characteristics of sample-and- hold circuits —— 20 μs Dynamic range 0.25 — VREFH 0 – 0.25 V Channel-dedicated sample-and-hold circuits not in use (AN000 to AN007) Conversion time*1 (Operation at PCLK = 60 MHz) Permissible signal source impedance (max.) = 1.0 k Ω 0.48 (0.267) *2 —— μs Sampling in 16 states Offset error — ±1.0 ±2.5 LSB Full-scale error — ±1.0 ±2.5 LSB Quantization error — ±0.5 — LSB Absolute accuracy — ±2.0 ±4.5 LSB DNL differential nonlinearity error — ±0.5 ±1.5 LSB INL integral nonlinearity error — ±1.0 ±2.5 LSB |
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