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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32L151x8 датащи(PDF) 99 Page - STMicroelectronics |
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STM32L151x8 датащи(HTML) 99 Page - STMicroelectronics |
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99 / 133 page  DocID17659 Rev 12 99/133 STM32L151x6/8/B STM32L152x6/8/B Electrical characteristics 104 6.3.18 DAC electrical specifications Data guaranteed by design, unless otherwise specified. Table 57. DAC characteristics Symbol Parameter Conditions Min Typ Max Unit VDDA Analog supply voltage - 1.8 - 3.6 V VREF+ Reference supply voltage VREF+ must always be below VDDA 1.8 - 3.6 V VREF- Lower reference voltage - VSSA V IDDVREF+(1) Current consumption on VREF+ supply VREF+ = 3.3 V No load, middle code (0x800) - 130 220 µA No load, worst code (0x000) - 220 350 µA IDDA(1) Current consumption on VDDA supply VDDA = 3.3 V No load, middle code (0x800) - 210 320 µA No load, worst code (0xF1C) - 320 520 µA RL Resistive load DAC output buffer ON Connected to VSSA 5- - k Ω Connected to VDDA 25 - - CL Capacitive load DAC output buffer ON - - 50 pF RO Output impedance DAC output buffer OFF 12 16 20 k Ω VDAC_OUT Voltage on DAC_OUT output DAC output buffer ON 0.2 - VDDA – 0.2 V DAC output buffer OFF 0.5 - VREF+ – 1LSB mV DNL(1) Differential non linearity(2) CL ≤ 50 pF, RL ≥ 5 kΩ DAC output buffer ON -1.5 3 LSB No RLOAD, CL ≤ 50 pF DAC output buffer OFF -1.5 3 INL(1) Integral non linearity(3) CL ≤ 50 pF, RL ≥ 5 kΩ DAC output buffer ON -2 4 No RLOAD, CL ≤ 50 pF DAC output buffer OFF -2 4 Offset(1) Offset error at code 0x800 (4) CL ≤ 50 pF, RL ≥ 5 kΩ DAC output buffer ON -±10 ±25 No RLOAD, CL ≤ 50 pF DAC output buffer OFF -±5 ±8 Offset1(1) Offset error at code 0x001(5) No RLOAD, CL ≤ 50 pF DAC output buffer OFF -±1.5 ±5 |
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