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STM32L151C6 Scheda tecnica(PDF) 93 Page - STMicroelectronics |
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STM32L151C6 Scheda tecnica(HTML) 93 Page - STMicroelectronics |
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93 / 133 page ![]() DocID17659 Rev 12 93/133 STM32L151x6/8/B STM32L152x6/8/B Electrical characteristics 104 6.3.17 12-bit ADC characteristics Unless otherwise specified, the parameters given in Table 54 are guaranteed by design. Table 53. ADC clock frequency Symbol Parameter Conditions Min Max Unit fADC ADC clock frequency Voltage Range 1 & 2 2.4 V ≤VDDA ≤3.6 V VREF+ = VDDA 0.480 16 MHz VREF+ < VDDA VREF+ > 2.4 V 8 VREF+ < VDDA VREF+ ≤2.4 V 4 1.8 V ≤VDDA ≤2.4 V VREF+ = VDDA 8 VREF+ < VDDA 4 Voltage Range 3 4 Table 54. ADC characteristics Symbol Parameter Conditions Min Typ Max Unit VDDA Power supply - 1.8 - 3.6 V VREF+ Positive reference voltage 2.4 V ≤VDDA ≤3.6 V VREF+ must be below or equal to VDDA 1.8(1) -VDDA V VREF- Negative reference voltage - - VSSA -V IVDDA Current on the VDDA input pin - - 1000 1450 µA IVREF(2) Current on the VREF input pin Peak - 400 700 µA Average - 450 µA VAIN Conversion voltage range(3) -0(4) -VREF+ V fS 12-bit sampling rate Direct channels 0.03 - 1 Msps Multiplexed channels 0.03 - 0.76 10-bit sampling rate Direct channels 0.03 - 1.07 Msps Multiplexed channels 0.03 - 0.8 8-bit sampling rate Direct channels 0.03 - 1.23 Msps Multiplexed channels 0.03 - 0.89 6-bit sampling rate Direct channels 0.03 - 1.45 Msps Multiplexed channels 0.03 - 1 |
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