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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD4697BCPZ датащи(PDF) 4 Page - Analog Devices |
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AD4697BCPZ датащи(HTML) 4 Page - Analog Devices |
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4 / 107 page  Data Sheet AD4697/AD4698 SPECIFICATIONS analog.com Rev. 0 | 4 of 107 AVDD = 3.15 V to 5.5 V, LDO_IN = 2.4 V to 5.5 V with internal low dropout (LDO) enabled, LDO_IN = AGND with internal LDO disabled, VDD = 1.71 V to 1.89 V with internal LDO disabled, VIO = 1.14 V to 1.98 V, AGND = REFGND = IOGND = 0 V, reference voltage (VREF) = 2.4 V to 5.1 V, REF = VREF with internal reference buffer disabled, REFIN = VREF with internal reference buffer enabled, reference buffer boost mode enabled, sample rate (fS) = 1 MSPS for the AD4698, fS = 500 kSPS for the AD4697, input frequency (fIN) = 1 kHz, digital output load capacitance = 20 pF, autocycle mode disabled, analog input high-Z mode enabled, reference input high-Z mode enabled, busy indicator and alert indicator not enabled on general-purpose pins, no active overvoltage protection clamps, and TA = −40°C to +125°C, unless otherwise noted. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT1, 2 Input Voltage Range Positive ADC input voltage (IN+) – negative ADC input voltage (IN−) Unipolar Mode 0 +VREF V Pseudobipolar Mode −VREF/2 +VREF/2 V Operating Input Voltage IN+ − REFGND IN− = REFGND 0 +VREF V IN− = COM, odd numbered input −0.1 VREF + 0.1 V IN− − REFGND IN− = COM, odd numbered input Unipolar mode −0.1 VREF + 0.1 V Pseudobipolar mode VREF/2 – 0.1 VREF/2 VREF/2 + 0.1 V Common-Mode Rejection Ratio (CMRR) fIN = 250 kHz, IN− = COM, odd numbered input 69.5 dB Analog Input Leakage Current3 10 nA SAMPLING DYNAMICS Sample Rate Autocycle mode disabled AD4697 500 kSPS AD4698 1 MSPS Autocycle Sample Period Autocycle mode enabled AC_CYC = 0x0 8.5 10 11.5 μs AC_CYC = 0x1 17 20 23 μs AC_CYC = 0x2 34 40 46 μs AC_CYC = 0x3 68 80 92 μs AC_CYC = 0x4 85 100 115 μs AC_CYC = 0x5 170 200 230 μs AC_CYC = 0x6 340 400 460 μs AC_CYC = 0x7 680 800 920 μs Aperture Delay 2 ns Aperture Jitter 0.5 ps rms DC ACCURACY No Missing Codes 16 Bits Integral Nonlinearity Error (INL) VREF = 5 V, oversampling ratio (OSR) = 1 LFCSP, TA = −40°C to +125°C −1 ±0.4 +1 LSB WLCSP, TA = 0°C to +70°C −2 ±0.4 +2 LSB WLCSP, TA = −40°C to +125°C −2.5 ±0.4 +2.5 LSB Differential Nonlinearity Error (DNL) VREF = 5 V, OSR = 1 −0.6 ±0.3 +0.6 LSB Transition Noise VREF = 5 V 0.5 LSB rms Offset Error4 VREF = 5 V TA = 25°C ±0.03 mV TA = −40°C to +125°C −0.43 +0.43 mV |
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