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MPC5644B датащи(PDF) 80 Page - Freescale Semiconductor, Inc |
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MPC5644B датащи(HTML) 80 Page - Freescale Semiconductor, Inc |
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80 / 114 page ![]() MPC5646C Microcontroller Data Sheet, Rev. 3 Preliminary—Subject to Change Without Notice Freescale Semiconductor 80 NOTE All ADC conversion characteristics described in the table below are applicable only for the precision channels. The data for semi-precision and extended channels is awaited and same will be subsequently updated in later revs. Table 43. Conversion characteristics (12-bit ADC_1) Symbol Parameter Conditions1 Value Unit Min Typ Max VSS_ADC1 SR Voltage on VSS_HV_ADC1 (ADC_1 reference) pin with respect to ground (VSS_HV) 2 — 0.1 0.1 V VDD_ADC1 3 SR Voltage on VDD_HV_ADC1 pin (ADC_1 reference) with respect to ground (VSS_HV) —VDD_HV_A 0.1 VDD_HV_A +0.1 V VAINx 3,4 SR Analog input voltage5 —VSS_ADC1 0.1 VDD_ADC1 +0.1 V fADC1 SR ADC_1 analog frequency — 8 + 2% 32 + 2% MHz tADC1_PU SR ADC_1 power up delay — 1.5 µs tADC1_S CC Sample time6 VDD=5.0 V — 440 ns Sample time(6) VDD=3.3 V —530 tADC1_C CC Conversion time7, 8 VDD=5.0 V fADC1 = 32 MHz 2 µs Conversion time(7), (6) VDD =5.0 V fADC 1= 30 MHz 2.1 Conversion time(7), (6) VDD=3.3 V fADC 1= 20 MHz 3 Conversion time(7), (6) VDD =3.3 V fADC1 = 15 MHz 3.01 CS CC ADC_1 input sampling capacitance —5 pF CP1 CC ADC_1 input pin capacitance 1 —3 pF |
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