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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADUC7023BCBZ62I-R7 датащи(PDF) 6 Page - Analog Devices |
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ADUC7023BCBZ62I-R7 датащи(HTML) 6 Page - Analog Devices |
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6 / 98 page  ADuC7023 Data Sheet Rev. H | Page 6 of 98 SPECIFICATIONS AVDD = IOVDD = 2.7 V to 3.6 V, VREF = 2.5 V internal reference, fCORE = 41.78 MHz, TA = −40°C to +125°C, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments ADC CHANNEL SPECIFICATIONS Eight acquisition clocks and fADC/2 ADC Power-Up Time 5 μs DC Accuracy1, 2 Resolution 12 Bits Integral Nonlinearity ±0.6 ±1.5 LSB 2.5 V internal reference ±1.0 LSB 1.0 V external reference Differential Nonlinearity3, 4 ±0.5 +1/−0.9 LSB 2.5 V internal reference +0.7/−0.6 LSB 1.0 V external reference DC Code Distribution 1 LSB ADC input is a dc voltage ENDPOINT ERRORS5 Offset Error ±1 ±2 LSB Offset Error Match ±1 LSB Gain Error ±2 LSB Gain Error Match ±1 LSB DYNAMIC PERFORMANCE fIN = 10 kHz sine wave, fSAMPLE = 1 MSPS Signal-to-Noise Ratio (SNR) 69 dB Includes distortion and noise components Total Harmonic Distortion (THD) −78 dB Peak Harmonic or Spurious Noise −75 dB Channel-to-Channel Crosstalk −80 dB Measured on adjacent channels ANALOG INPUT Input Voltage Ranges Differential Mode VCM ± VREF/26 V Single-Ended Mode 0 to VREF V Leakage Current ±1 ±6 μA Input Capacitance 20 pF During ADC acquisition ON-CHIP VOLTAGE REFERENCE 0.47 μF from VREF to AGND Output Voltage 2.5 V Accuracy ±4 mV TA = 25°C Reference Temperature Coefficient ±15 ppm/°C Power Supply Rejection Ratio 75 dB Output Impedance 51 Ω TA = 25°C Internal VREF Power-On Time 1 ms EXTERNAL REFERENCE INPUT Input Voltage Range 0.625 AVDD V DAC CHANNEL SPECIFICATIONS DC Accuracy7 RL = 5 kΩ, CL = 100 pF Resolution 12 Bits Relative Accuracy ±2 LSB Differential Nonlinearity ±1 LSB Guaranteed monotonic Offset Error ±15 mV 2.5 V internal reference Gain Error8 ±1 % Gain Error Mismatch 0.1 % % of full scale on DAC0 DC Accuracy9 RL = 1 kΩ, CL = 100 pF Resolution 12 Bits Relative Accuracy ±2.5 LSB Differential Nonlinearity ±1 LSB Guaranteed monotonic Offset Error ±15 mV 2.5 V internal reference Gain Error10 ±1 % Gain Error Mismatch 0.1 % % of full scale on DAC0 ANALOG OUTPUTS Output Voltage Range 1 0 to 2.5 V VREF range: AGND to AVDD Output Voltage Range 2 0 to AVDD V Output Impedance 2 Ω |
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