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STM8L151C4 数据表(PDF) 87 Page - STMicroelectronics |
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STM8L151C4 数据表(HTML) 87 Page - STMicroelectronics |
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87 / 101 page  STM8L151xx, STM8L152xx Electrical parameters Doc ID 15962 Rev 2 87/101 8.3.13 12-bit ADC1 characteristics Table 46. ADC1 characteristics Symbol Parameter Conditions Min (1) 1. Data guaranteed by design, not tested in production. Typ Max(1) Unit VDDA Analog supply voltage 1.8 3.6 V VREF+ Reference supply voltage 2.4 V ≤VDDA≤ 3.6 V 2.4 VDDA V 1.8 V ≤VDDA≤ 2.4 V VDDA V VREF- Lower reference voltage VSSA V IVDDA Current on the VDDA input pin 1000 µA IVREF+ Current on the VREF+ input pin 400 TBD µA VAIN Conversion voltage range 0(2) 2. VREF- or VDDA must be tied to ground. VREF+ TA Temperature range -40 125 °C RAIN External resistance on VAIN TBD(3) 3. For 1 Msps, maximum Rext is 0.5 k Ω. k Ω RADC Sampling switch resistance on PF0 fast channel TBD k Ω on all other channels TBD k Ω CADC Internal sample and hold capacitor on PF0 fast channel TBD pF on all other channels TBD pF fADC ADC sampling clock frequency 2.4 V ≤VDDA≤3.6 V without zooming 0.320 16 MHz 1.8 V ≤VDDA≤2.4 V with zooming 0.320 8 MHz fS Sampling rate VAIN on PF0 fast channel 0.02 1(4) 4. Value obtained for continous conversion on fast channel. MHz VAIN on all other channels fTRIG External trigger frequency TBD 1/fADC tLAT External trigger latency TBD 1/fADC tS Sampling time VAIN on fast channel PF0 4(4) 1/fADC VAIN on slow channels TBD 1/fADC tconv Conversion time 12 + tS 1/fADC 16 MHz 1(3) µs tWKUP Wakeup time from OFF state 3 µs tVREFINT Internal reference voltage startup time refer to Table 40 ms |
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