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AD8233 Scheda tecnica(PDF) 5 Page - Analog Devices |
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AD8233 Scheda tecnica(HTML) 5 Page - Analog Devices |
5 / 30 page AD8233 Data Sheet Rev. 0 | Page 4 of 29 Parameter Symbol Test Conditions/Comments Min Typ Max Unit Slew Rate SR 0.01 V/μs Voltage Noise Density (RTI) en f = 1 kHz 120 nV/√Hz Peak-to-Peak Voltage Noise (RTI) en p-p f = 0.1 Hz to 10 Hz 7 μV p-p f = 0.5 Hz to 40 Hz 9 μV p-p RIGHT LEG DRIVE AMPLIFIER (A2) Quiescent Supply Current 7.5 10 μA Output Swing RL = 50 kΩ 0.1 +VS − 0.1 V Short-Circuit Current IOUT 11 mA Integrator Input Resistor 120 150 180 kΩ Gain Bandwidth Product GDP 20 kHz REFERENCE BUFFER (A3) Offset Error VOS RL > 50 kΩ 1 mV Input Bias Current IB 100 pA Short-Circuit Current Limit IOUT 12 mA Voltage Range RL = 50 kΩ 0.1 +VS − 0.7 V DC LEADS OFF COMPARATORS Threshold Voltage +VS − 0.27 V Hysteresis 125 mV Propagation Delay 1.5 μs AC LEADS OFF DETECTOR Square Wave Frequency fAC 50 100 175 kHz Square Wave Amplitude IAC 200 nA p-p Input Currents in Shutdown Mode2 IDC +IN, SDN = low 250 nA −IN, SDN = low −300 nA Impedance Threshold Between +IN and −IN, SDN = high 10 20 MΩ Detection Delay 100 μs FAST RESTORE CIRCUIT Switches S1 and S2 On Resistance RON 8 10 12 kΩ Off Leakage 100 pA Window Comparator Threshold Voltage From either rail 100 mV Propagation Delay 2 μs Switch Timing Characteristics Feedback Recovery Switch On Time tS1 +VS = 3 V 160 ms +VS = 1.8 V 80 Filter Recovery Switch On Time tS2 +VS = 3 V 80 ms +VS = 1.8 V 40 Fast Restore Reset tRST +VS = 3 V 3 μs +VS = 1.8 V 1.5 LOGIC INTERFACE Input Characteristics Input Voltage (AC/DC, FR, and RLD SDN) Low VIL 0.41 × +VS V High VIH 0.45 × +VS V Input Voltage (SDN) Low VIL 0.6 × +VS V High VIH 0.3 × +VS V Output Characteristics LOD terminal Output Voltage RL = 100 kΩ Low VOL 0.05 V High VOH +VS − 0.05 V |
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