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ADA4084-2ARMZ-R7 Arkusz danych(PDF) 3 Page - Analog Devices |
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ADA4084-2ARMZ-R7 Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 28 page Data Sheet ADA4084-2 Rev. C | Page 3 of 28 SPECIFICATIONS ELECTRICAL CHARACTERISTICS VSY = 3 V, VCM =1.5 V, TA = 25°C, unless otherwise noted. Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT CHARACTERISTICS Offset Voltage VOS SOIC package 100 μV −40°C ≤ TA ≤ +125°C 200 μV MSOP package 130 μV −40°C ≤ TA ≤ +125°C 250 μV LFCSP package 200 μV −40°C ≤ TA ≤ +125°C 300 μV Offset Voltage Drift ΔVOS/ΔT −40°C ≤ TA ≤ +125°C 0.5 1.75 µV/°C Offset Voltage Matching Channel A vs. Channel B, TA = 25°C 150 μV Input Bias Current IB 140 300 nA –40°C ≤ TA ≤ +125°C 450 nA Input Offset Current IOS 25 nA –40°C ≤ TA ≤ +125°C 50 nA Input Voltage Range 0 3 V Common-Mode Rejection Ratio CMRR VCM = 0 V to 3 V 64 80 dB −40°C ≤ TA ≤ +125°C 60 dB Large Signal Voltage Gain AVO RL = 2 kΩ, 0.5 V ≤ VO ≤ 2.5 V 100 104 dB RL = 2 kΩ, −40°C ≤ TA ≤ +125°C 97 dB Input Impedance, Differential 100||1.1 kΩ||pF Input Impedance, Common-Mode 80||2.9 MΩ||pF OUTPUT CHARACTERISTICS Output Voltage High VOH RL = 10 kΩ to VCM 2.85 2.95 V –40°C ≤ TA ≤ +125°C 2.8 V RL = 2 kΩ to VCM 2.8 2.9 V –40°C ≤ TA ≤ +125°C 2.7 V Output Voltage Low VOL RL = 10 kΩ to VCM 10 20 mV –40°C ≤ TA ≤ +125°C 40 mV RL = 2 kΩ to VCM 50 mV –40°C ≤ TA ≤ +125°C 75 mV Short-Circuit Current ISC −17/+10 mA POWER SUPPLY Power Supply Rejection Ratio PSRR VSY = ±1.25 V to ±1.75 V 100 110 dB –40°C ≤ TA ≤ +125°C 90 dB Supply Current/Amplifier ISY IO = 0 mA 565 650 µA –40°C ≤ TA ≤ +125°C 950 µA DYNAMIC PERFORMANCE Slew Rate SR RL = 2 kΩ 2.0 2.6 V/µs Gain Bandwidth Product GBP VIN = 5 mV p-p, RL = 10 kΩ, AV = 100 15.4 MHz Unity-Gain Crossover UGC VIN = 5 mV p-p, RL = 10 kΩ, AV = 1 8.08 MHz Phase Margin ΦM 86 Degrees −3 dB Closed-Loop Bandwidth −3 dB AV = 1, VIN = 5 mV p-p 12.3 MHz NOISE PERFORMANCE Voltage Noise en p-p 0.1 Hz to 10 Hz 0.14 μV p-p Voltage Noise Density en f = 1 kHz 3.9 nV/√Hz Current Noise Density in f = 1 kHz 0.55 pA/√Hz |
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