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MAX7426 Datasheet(数据表) 5 Page - Maxim Integrated Products |
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MAX7426 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 page ![]() 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters _______________________________________________________________________________________ 5 -70 -60 -40 -50 -10 0 -20 -30 10 012345 FREQUENCY RESPONSE INPUT FREQUENCY (kHz) fC = 1kHz r = 1.25 Typical Operating Characteristics (VDD = +5V for MAX7426, VDD = +3V for MAX7427, fCLK = 100kHz, SHDN = VDD, VCOM = VOS = VDD / 2, TA = +25°C, unless other- wise noted.) -1.0 -0.6 -0.8 0 0.2 -0.2 -0.4 0.4 0 0.2 0.4 0.6 0.8 1.0 PASSBAND FREQUENCY RESPONSE INPUT FREQUENCY (kHz) fC = 1kHz r = 1.25 -400 -350 -250 -300 -200 -150 -100 -50 0 0 0.2 0.4 0.6 0.8 1.0 1.2 PHASE RESPONSE INPUT FREQUENCY (kHz) fC = 1kHz r = 1.25 0.70 0.74 0.72 0.78 0.76 0.80 0.82 2.5 3.5 4.0 3.0 4.5 5.0 5.5 SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 0.68 0.72 0.70 0.76 0.74 0.80 0.78 0.82 0.86 0.84 0.88 -60 -20 0 -40 20 40 60 80 100 SUPPLY CURRENT vs. TEMPERATURE TEMPERATURE ( °C) VDD = +5V VDD = +3V |