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AD8672ARMZ-R2 Scheda tecnica(PDF) 4 Page - Analog Devices |
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AD8672ARMZ-R2 Scheda tecnica(HTML) 4 Page - Analog Devices |
4 / 16 page AD8671/AD8672/AD8674 Rev. C | Page 4 of 16 ELECTRICAL CHARACTERISTICS, ±15 V VS = ±15 V, VCM = 0 V, TA = 25°C, unless otherwise noted. Table 2. Parameter Symbol Conditions Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS 20 75 μV –40°C < TA < +125°C 30 125 μV Offset Voltage Drift ∆VOS/∆T –40°C < TA < +125°C AD8671 0.3 0.5 μV/°C AD8672/AD8674 0.3 0.8 μV/°C Input Bias Current IB –12 +3 +12 nA +25°C < TA < +125°C –20 +5 +20 nA –40°C < TA < +125°C –40 +8 +40 nA Input Offset Current IOS –12 +6 +12 nA +25°C < TA < +125°C –20 +6 +20 nA –40°C < TA < +125°C –40 +8 +40 nA Input Voltage Range –12 +12 V Common-Mode Rejection Ratio CMRR VCM = –12 V to +12 V 100 120 dB Large Signal Voltage Gain AVO RL = 2 kΩ, VO = –10 V to +10 V 1000 6000 V/mV Input Capacitance, Common Mode CINCM 6.25 pF Input Capacitance, Differential Mode CINDM 7.5 pF Input Resistance, Common Mode RIN 3.5 GΩ Input Resistance, Differential Mode RINDM 15 MΩ OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 2 kΩ, –40°C to +125°C +13.2 +13.8 V Output Voltage Low VOL RL = 2 kΩ, –40°C to +125°C –13.8 –13.2 V Output Voltage High VOH RL = 600 Ω +11 +12.3 V Output Voltage Low VOL RL = 600 Ω –12.4 –11 V Output Current IOUT ±20 mA Short Circuit Current ISC ±30 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VS = ±4 V to ±18 V AD8671/AD8672 110 130 dB AD8674 106 115 dB Supply Current/Amplifier ISY VO = 0 V 3 3.5 mA –40°C <TA < +125°C 4.2 mA DYNAMIC PERFORMANCE Slew Rate SR RL = 2 kΩ 4 V/μs Settling Time tS To 0.1% (10 V step, G = 1) 2.2 μs To 0.01% (10 V step, G = 1) 6.3 μs Gain Bandwidth Product GBP 10 MHz NOISE PERFORMANCE Peak-to-Peak Noise en p-p 0.1 Hz to 10 Hz 77 100 nV p-p Voltage Noise Density en f = 1 kHz 2.8 3.8 nV/√Hz Current Noise Density in f = 1 kHz 0.3 pA/√Hz Channel Separation AD8672/AD8674 CS f = 1 kHz –130 dB f = 10 kHz –105 dB |
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