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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ADAS1000BSTZ датащи(PDF) 6 Page - Analog Devices |
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ADAS1000BSTZ датащи(HTML) 6 Page - Analog Devices |
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6 / 80 page  ADAS1000/ADAS1000-1/ADAS1000-2 Data Sheet Parameter Min Typ Max Unit Test Conditions/Comments Gain Matching −0.1 +0.02 +0.1 % GAIN 0 to GAIN 2 −0.5 +0.1 +0.5 % GAIN 3 Gain Tempco1 25 ppm/°C Input Referred Noise1 GAIN 2, 2 kHz data rate, see Table 4 Analog Lead Mode 6 μV p-p 0.5 Hz to 40 Hz; high performance mode 10 μV p-p 0.05 Hz to 150 Hz; high performance mode 12 μV p-p 0.05 Hz to 150 Hz; low power mode Electrode Mode 11 μV p-p 0.05 Hz to 150 Hz; high performance mode 12 μV p-p 0.05 Hz to 150 Hz; low power mode Digital Lead Mode 14 μV p-p 0.05 Hz to 150 Hz; high performance mode 16 μV p-p 0.05 Hz to 150 Hz; low power mode Power Supply Sensitivity2 100 dB At 120 Hz Analog Channel Bandwidth1 65 kHz Dynamic Range1 104 dB GAIN 0, 2 kHz data rate, −0.5 dBFS input signal, 10 Hz Signal-to-Noise Ratio1 100 dB −0.5 dB FS input signal COMMON-MODE INPUT CM_IN pin Input Voltage Range 0.3 2.3 V Input Impedance2 1||10 GΩ||pF Input Bias Current −40 ±1 +40 nA Over operating range; dc and ac lead-off disabled −200 +200 nA AGND to AVDD COMMON-MODE OUTPUT CM_OUT pin VCM_REF 1.28 1.3 1.32 V Internal voltage; independent of supply Output Voltage, VCM 0.3 1.3 2.3 V No dc load Output Impedance1 0.75 kΩ Not intended to drive current Short Circuit Current1 4 mA Electrode Summation Weighting Error2 1 % Resistor matching error RESPIRATION FUNCTION (ADAS1000 ONLY) These specifications apply to the following pins: EXT_RESP_LA, EXT_RESP_LL, EXT_RESP_RA and selected internal respiration paths (Lead I, Lead II, Lead III) Input Voltage Range 0.3 2.3 V AC-coupled, independent of supply Input Voltage Range (Linear Operation) 1.8/gain V p-p Programmable gain (10 states) Input Bias Current −10 ±1 +10 nA Applies to EXT_RESP_xx pins over AGND to AVDD Input Referred Noise1 0.85 μV rms Frequency2 46.5 to 64 kHz Programmable frequency, see Table 30 Excitation Current Respiration drive current corresponding to differential voltage programmed by RESPAMP bits in RESPCTL register. Internal respiration mode, cable 5 kΩ/200 pF, 1.2 kΩ chest impedance 64 μA p-p Drive Range A 32 μA p-p Drive Range B2 16 μA p-p Drive Range C2 8 μA p-p Drive Range D2 Resolution2 24 bits Update rate 125 Hz Measurement Resolution1 0.2 Ω Cable <5 kΩ/200 pF per electrode, body resistance modeled as 1.2 kΩ 0.02 Ω No cable impedance, body resistance modeled as 1.2 kΩ In-Amp Gain1 1 to 10 Digitally programmable in steps of 1 Gain Error 1 % LSB weight for GAIN 0 setting Gain Tempco1 25 ppm/C RIGHT LEG DRIVE/DRIVEN LEAD (ADAS1000/ADAS1000-1 ONLY) Output Voltage Range 0.2 AVDD − 0.2 V RLD_OUT Short Circuit Current −5 ±2 +5 mA External protection resistor required to meet regulatory patient current limits; output shorted to AVDD/AGND Closed-Loop Gain Range2 25 V/V Slew Rate2 200 mV/ms Input Referred Noise1 8 μV p-p 0.05 Hz to 150 Hz Amplifier GBP2 1.5 MHz Rev. B | Page 6 of 80 |
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