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AD8420BRMZ-RL Scheda tecnica(PDF) 2 Page - Analog Devices |
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AD8420BRMZ-RL Scheda tecnica(HTML) 2 Page - Analog Devices |
2 / 10 page AD8420 Preliminary Technical Data Rev. PrD | Page 2 of 2 SPECIFICATIONS +VS = +5V, −VS = 0V, VREF = 0 V, VIN+=0V, VIN-=0V, TA = 25°C, G = 1 to 1000, RL = 20 kΩ, specifications referred to input, unless otherwise noted Table 2. Parameter Conditions Min Typ Max Unit COMMON-MODE REJECTION RATIO (CMRR) VCM = 0 V to 2.7 V CMRR DC to 60 Hz 100 dB CMRR at 1 kHz dB NOISE Voltage Noise Spectral Density f = 1 kHz, VDIFF ≤100 mV 50 nV/√Hz Peak to Peak f = 0.1 Hz to 10 Hz, VDIFF ≤ 100 mV 1.5 µV p-p Current Noise Spectral Density f = 1 kHz fA/√Hz Peak to Peak f = 0.1 Hz to 10 Hz pA p-p VOLTAGE OFFSET Offset 200 µV Average Temperature Coefficient TA = −40°C to +85°C 1 µV/°C Offset RTI vs. Supply (PSR) dB INPUTS Valid for REF & FB pair, as well as +IN & -IN Input Bias Current1 TA = +25°C 25 40 nA TA = +85°C nA TA = −40°C nA Average Temperature Coefficient TA = −40°C to +85°C pA/°C Input Offset Current TA = +25°C 1 nA TA = +85°C nA TA = −40°C nA Average Temperature Coefficient TA = −40°C to +85°C pA/°C Input Impedance Differential 130||2 MΩ||pF Common Mode 1000||2 MΩ||pF Differential Input Operating Voltage TA = –40°C to +85°C -1 1 V Input Operating Voltage (+IN, -IN, or REF) TA = +25°C −VS – 0.15 +VS −2.2 V TA = +85°C −VS – 0.05 +VS – 1.8 V TA = –40°C −VS – 0.2 +VS – 2.7 V DYNAMIC RESPONSE Small Signal –3 dB Bandwidth G = 1 250 kHz G = 10 25 kHz G = 100 2.5 kHz G =1000 0.25 kHz Settling Time 0.01% 4 V step G = 10 µs G = 100 µs G = 1000 µs Slew Rate Exceeds Bandwidth Limit V/µs |
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