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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADPD6000 датащи(PDF) 6 Page - Analog Devices |
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ADPD6000 датащи(HTML) 6 Page - Analog Devices |
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6 / 89 page  Data Sheet ADPD6000 SPECIFICATIONS analog.com Rev. 0 | 6 of 89 Table 2. Performance Specifications Parameter Test Condition/Comments Min Typ Max Unit Output Date Rate Aligned with filter design 250 4000 Hz Enable Time Data rate of 500 SPS 15 ms Overload Recovery Time 10 ms Power 1.7 mW DC LEAD OFF (DCLO) DETECTION Drive Circuit Lead Off Current Range Lead fail current is programmable over the specified range, programmed current magnitude setting applies across all electrode pins, current polarity is programmable on individual electrode basis ±16 nA Lead Off Current Step Size 2 nA Measure Circuit RLD Lead Off Thresholds High AVDD3 − 0.4 AVDD3 − 0.1 V Low 0.1 0.4 V AC LEAD OFF (ACLO) THRESHOLD Drive Circuit Excitation Frequency 4 kHz Current 10 70 nA Measure Circuit Threshold 0.04 2.33 nF RIGHT LEG DRIVER (RLD) Output Voltage GND AVDD3/2 AVDD3 V Stable Load Capacitance 2.2 nF BIA CHANNEL For Z = 1 kΩ (0.1% tolerant resistor), excitation frequency = 50 kHz, sine amplitude = 0.6 V p-p, TIA resistor (RTIA) = 2 kΩ, TIA capacitor (CTIA) = 7 pF, isolation capacitor = 470 nF, current-limiting resistor (RLIMIT) = 1 kΩ SYSTEM PERFORMANCE Total System Accuracy Magnitude 0.26 % Phase 1 Degrees Body Impedance Magnitude Error Contact resistor <1 kΩ 0.26 % Contact resistor <10 kΩ 5 % Body Impedance Magnitude Repeatability Room temperature, test 10 times, contact resistor <1 kΩ 0.1 % Body Phase Angle Error 1 Degrees TRANSMIT STAGE Output Frequency Range 50 250 kHz Output Frequency Resolution 0.48 Hz Output Voltage Range 800 mV Output Voltage Resolution 0.39 mV RECEIVE STAGE Input Leakage Current Input Capacitance Toward ground for current sensing 10 pF Toward ground for voltage sensing 10 pF ADC Saturation Level Voltage ±0.8 V Current (TIA = 2 kΩ) ±400 μA |
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