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AD8508 数据表(PDF) 3 Page - Analog Devices |
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AD8508 数据表(HTML) 3 Page - Analog Devices |
3 / 24 page Data Sheet AD8546/AD8548 Rev. B | Page 3 of 24 SPECIFICATIONS ELECTRICAL CHARACTERISTICS—18 V OPERATION VSY = 18 V, VCM = VSY/2, TA = 25°C, unless otherwise noted. Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage V OS V CM = 0 V to 18 V 3 mV V CM = 0.3 V to 17.7 V; −40°C ≤ TA ≤ +125°C 7 mV V CM = 0 V to 18 V; −40°C ≤ TA ≤ +125°C 12 mV Offset Voltage Drift ΔV OS/ΔT 3 µV/°C Input Bias Current I B 5 20 pA −40°C ≤ T A ≤ +125°C 2.6 nA Input Offset Current I OS 40 pA −40°C ≤ T A ≤ +125°C 5.2 nA Input Voltage Range IVR 0 18 V Common-Mode Rejection Ratio CMRR V CM = 0 V to 18 V 74 95 dB V CM = 0.3 V to 17.7 V; −40°C ≤ TA ≤ +125°C 68 dB V CM = 0 V to 18 V; −40°C ≤ TA ≤ +125°C 65 dB Large Signal Voltage Gain A VO R L = 100 kΩ; VO = 0.5 V to 17.5 V 110 125 dB −40°C ≤ T A ≤ +125°C 105 dB Input Resistance R IN 10 GΩ Input Capacitance Differential Mode C INDM 3.5 pF Common Mode C INCM 10.5 pF OUTPUT CHARACTERISTICS Output Voltage High V OH R L = 100 kΩ to VCM; −40°C ≤ TA ≤ +125°C 17.97 V Output Voltage Low V OL R L = 100 kΩ to VCM; −40°C ≤ TA ≤ +125°C 30 mV Short-Circuit Current I SC ±12 mA Closed-Loop Output Impedance Z OUT f = 1 kHz; A V = +1 15 Ω POWER SUPPLY Power Supply Rejection Ratio PSRR V SY = 2.7 V to 18 V 95 115 dB −40°C ≤ T A ≤ +125°C 90 dB Supply Current per Amplifier I SY I O = 0 mA 18 22 µA −40°C ≤ T A ≤ +125°C 33 µA DYNAMIC PERFORMANCE Slew Rate SR R L = 1 MΩ; CL = 10 pF; AV = +1 80 V/ms Settling Time to 0.1% t S V IN = 1 V step; RL = 100 kΩ; CL = 10 pF 15 µs Gain Bandwidth Product GBP R L = 1 MΩ; CL = 10 pF; AV = +1 240 kHz Phase Margin Φ M R L = 1 MΩ; CL = 10 pF; AV = +1 60 Degrees Channel Separation CS f = 10 kHz; R L = 1 MΩ 105 dB NOISE PERFORMANCE Voltage Noise e n p-p f = 0.1 Hz to 10 Hz 5 µV p-p Voltage Noise Density e n f = 1 kHz 50 nV/√Hz f = 10 kHz 45 nV/√Hz Current Noise Density i n f = 1 kHz 0.1 pA/√Hz |
类似零件编号 - AD8508 |
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类似说明 - AD8508 |
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