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STM32WLE4JC 数据表(PDF) 125 Page - STMicroelectronics |
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STM32WLE4JC 数据表(HTML) 125 Page - STMicroelectronics |
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125 / 146 page  DS13105 Rev 9 125/146 STM32WLE5/E4xx Electrical characteristics 133 . Table 85. DAC accuracy(1) Symbol Parameter Conditions Min Typ Max Unit DNL Differential non linearity (2) DAC output buffer ON - - ±2 LSB DAC output buffer OFF - - ±2 - Monotonicity 10 bits Guaranteed INL Integral non linearity(3) DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 kΩ -- ±4 DAC output buffer OFF, CL ≤ 50 pF, no RL - - ±4 Offset Offset error at code 0x800(3) DAC output buffer ON CL ≤ 50 pF, RL ≥ 5 kΩ VREF+ = 3.6 V - - ±12 VREF+ = 1.8 V - - ±25 DAC output buffer OFF, CL ≤ 50 pF, no RL - - ±8 Offset1 Offset error at code 0x001(4) DAC output buffer OFF, CL ≤ 50 pF, no RL - - ±5 OffsetCal Offset Error at code 0x800 after calibration DAC output buffer ON CL ≤ 50 pF, RL ≥ 5 kΩ VREF+ = 3.6 V - - ±5 VREF+ = 1.8 V - - ±7 Gain Gain error(5) DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 kΩ -- ±0.5 % DAC output buffer OFF, CL ≤ 50 pF, no RL - - ±0.5 TUE Total unadjusted error DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 kΩ -- ±30 LSB DAC output buffer OFF, CL ≤ 50 pF no RL - - ±12 TUECal Total unadjusted error after calibration DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 kΩ -- ±23 LSB SNR Signal-to-noise ratio DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 kΩ, 1 kHz, BW 500 kHz -71.2- dB DAC output buffer OFF, CL ≤ 50 pF, no RL, 1 kHz, BW 500 kHz -71.6- THD Total harmonic distortion DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 kΩ, 1 kHz --78 - dB DAC output buffer OFF, CL ≤ 50 pF, no RL, 1 kHz --79 - SINAD Signal-to-noise and distortion ratio DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 kΩ, 1 kHz -70.4- dB DAC output buffer OFF, CL ≤ 50 pF, no RL, 1 kHz -71 - |
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