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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32H753II датащи(PDF) 173 Page - STMicroelectronics |
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STM32H753II датащи(HTML) 173 Page - STMicroelectronics |
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173 / 361 page  DS12117 Rev 8 173/360 STM32H753xI Electrical characteristics (rev Y) 318 Offset1 Offset error at code 0x001(4) DAC output buffer OFF, CL ≤ 50 pF, no RL -- ±5 LSB OffsetCal Offset error at code 0x800 after factory calibration DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 ㏀ VREF+ = 3.6 V - - ±5 LSB VREF+ = 1.8 V - - ±7 Gain Gain error(5) DAC output buffer ON,CL ≤ 50 pF, RL ≥ 5 ㏀ -- ±1 % DAC output buffer OFF, CL ≤ 50 pF, no RL -- ±1 TUE Total unadjusted error DAC output buffer OFF, CL ≤ 50 pF, no RL -- ±12 LSB SNR Signal-to-noise ratio(6) DAC output buffer ON,CL ≤ 50 pF, RL ≥ 5 ㏀ , 1 kHz, BW = 500 KHz - 67.8 - dB SINAD Signal-to-noise and distortion ratio(6) DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 ㏀ , 1 kHz - 67.5 - dB ENOB Effective number of bits DAC output buffer ON, CL ≤ 50 pF, RL ≥ 5 ㏀ , 1 kHz - 10.9 - bits 1. Guaranteed by characterization. 2. Difference between two consecutive codes minus 1 LSB. 3. Difference between the value measured at Code i and the value measured at Code i on a line drawn between Code 0 and last Code 4095. 4. Difference between the value measured at Code (0x001) and the ideal value. 5. Difference between the ideal slope of the transfer function and the measured slope computed from code 0x000 and 0xFFF when the buffer is OFF, and from code giving 0.2 V and (VREF+ - 0.2 V) when the buffer is ON. 6. Signal is -0.5dBFS with Fsampling=1 MHz. Table 89. DAC accuracy(1) (continued) Symbol Parameter Conditions Min Typ Max Unit |
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