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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADAS3023 датащи(PDF) 4 Page - Analog Devices |
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ADAS3023 датащи(HTML) 4 Page - Analog Devices |
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4 / 32 page  ADAS3023 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit1 Dynamic Range fIN = 1 kHz, −60 dB input PGIA gain = 0.2 91.0 92 dB PGIA gain = 0.4 90.5 91.5 dB PGIA gain = 0.8 88.0 89.5 dB PGIA gain = 1.6 86.0 87.0 dB Total Harmonic Distortion fIN = 1 kHz, all PGIA gains −100 dB Spurious-Free Dynamic Range fIN = 1 kHz, all PGIA gains 105 dB Channel-to-Channel Crosstalk fIN = 1 kHz, all channels inactive 95 dB DC Common-Mode Rejection Ratio (CMRR) All channels PGIA gain = 0.2 95.0 dB PGIA gain = 0.4 95.0 dB PGIA gain = 0.8 95.0 dB PGIA gain = 1.6 95.0 dB −3 dB Input Bandwidth −40 dBFS 8 MHz INTERNAL REFERENCE REFx Pins Output Voltage TA = 25°C 4.088 4.096 4.104 V Output Current TA = 25°C 250 µA Temperature Drift REFEN bit = 1 ±5 ppm/°C REFEN bit = 0, REFIN pin = 2.5V ±1 ppm/°C Line Regulation Internal Reference AVDD = 5 V ± 5% 20 μV/V Buffer Only AVDD = 5 V ± 5% 4 ppm REFIN Output Voltage6 TA = 25°C 2.495 2.5 2.505 V Turn-On Settling Time CREFIN, CREF1, CREF2 = 10 µF||0.1 µF 100 ms EXTERNAL REFERENCE REFEN bit = 0 Voltage Range REFx input, REFIN = 0 V 4.000 4.096 4.104 V REFIN input (buffered) 2.5 2.505 V Current Drain fS = 500 kSPS 100 µA DIGITAL INPUTS Logic Levels VIL VIO > 3 V −0.3 +0.3 × VIO V VIH VIO > 3 V 0.7 × VIO VIO + 0.3 V VIL VIO ≤ 3 V −0.3 +0.1 × VIO V VIH VIO ≤ 3 V 0.9 × VIO VIO + 0.3 V IIL −1 +1 µA IIH −1 +1 µA DIGITAL OUTPUTS7 Data Format Twos complement VOL ISINK = +500 µA 0.4 V VOH ISOURCE = −500 µA VIO − 0.3 V POWER SUPPLIES VIO 1.8 AVDD + 0.3 V AVDD 4.75 5 5.25 V DVDD 4.75 5 5.25 V VDDH VDDH > input voltage + 2.5 V 14.25 15 15.75 V VSSH VSSH < input voltage − 2.5 V −15.75 −15 −14.25 V Rev. 0 | Page 4 of 32 |
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