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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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IMX7SCEC датащи(PDF) 112 Page - NXP Semiconductors |
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IMX7SCEC датащи(HTML) 112 Page - NXP Semiconductors |
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112 / 152 page  Electrical characteristics i.MX 7Solo Family of Applications Processors Datasheet, Rev. 5, 07/2017 NXP Semiconductors 112 4.11 12-Bit A/D converter (ADC) Table 86. Recommended operating conditions for 12-bit ADC Characteristics Symbol Min Typ Max Unit Supply Voltage AVDD18 1.7 1.8 1.9 V VDDA10 0.95 1 1.05 V Operating Temp TJ –25 — 105 C Analog Input Channel — — — 16 Channel Analog Input Range1 1 DO=111111111111 @AIN=AVDD18 & DO=000000000000 @AIN=AVSS18 (Input full-scale voltage = AVDD18) ADC x_INx AGND — VREF V Main Clock Frequency FCLK 300K — 6M Hz Start of conversion clk frequency (FCLK/3) FSOC 50K — 1M Hz External Input Resistance of ADC2 2 R IEXT = Output resistance of the ADC driver = Output resistance of signal generator + Series parasitic resistance between signal source and ADC input (for example, PCB and bonding wire resistance and ESD protection resistance) RIEXT — 50 250 Ω Table 87. DC Electrical characteristics Specification Symbol Min Typ Max Unit Conditions Resolution — — 12 12 Bits — Differential Non-Linearity DNL — ± 2.0 ± 2.0 LSB PD=Low FCLK=6MHz FSOC=1MHz FAIN=10kHz Ramp wave Integral Non-Linearity INL — ± 6.0 ± 6.0 LSB Top Offset Voltage EOT — ±10 ± 100 LSB Bottom Offset Voltage EOB — ±11 ± 100 LSB Table 88. AC Electrical characteristics Specification Symbol Min Typ Max Unit Main Clock Duty Ratio — 45 45 55 % Analog Input Frequency CH #15-0 FAIN DC 50k 100K Hz Normal Operation Current Consumption1 VDDA_ADCx_1P8 2 —0.53 1.90 mA VDDA_1P0_CAP2 —0.02 0.10 mA |
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