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数据搜索系统，热门电子元器件搜索 |
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MAX7401 Datasheet(数据表) 6 Page - Maxim Integrated Products |
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MAX7401 Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 page 
8th-Order, Lowpass, Bessel, Switched-Capacitor Filters 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (VDD = +5V for MAX7401, VDD = +3V for MAX7405; fCLK = 100kHz; SHDN = VDD; VCOM = VOS = VDD / 2; TA = +25°C; unless otherwise noted.) 0.96 0.98 0.97 1.00 0.99 1.03 1.02 1.01 1.04 -40 0 -20 20 40 60 80 100 NORMALIZED OSCILLATOR FREQUENCY vs. TEMPERATURE TEMPERATURE (°C) COSC = 390pF MAX7405 MAX7401 -90 -70 -80 -50 -60 -40 -30 -10 -20 0 012 A B 345 MAX7401 THD PLUS NOISE vs. INPUT SIGNAL AMPLITUDE AMPLITUDE (Vp-p) NO LOAD (SEE TABLE A) -90 -70 -80 -50 -60 -40 -30 -10 -20 0 012345 MAX7401 THD PLUS NOISE vs. INPUT SIGNAL AMPLITUDE AND RESISTIVE LOAD AMPLITUDE (Vp-p) RL = 500Ω RL = 1kΩ RL = 10kΩ fIN = 200Hz fC = 1kHz MEASUREMENT BW = 22kHz TRACE fIN (Hz) fC (kHz) A 1000 5 B 200 1 fCLK (kHz) 500 100 MEASUREMENT BANDWIDTH (kHz) 80 22 Table A. THD Plus Noise vs. Input Signal Amplitude Test Conditions -90 -70 -80 -40 -50 -60 -10 -20 -30 0 0 1.0 0.5 1.5 2.0 2.5 3.0 MAX7405 THD PLUS NOISE vs. INPUT SIGNAL AMPLITUDE AMPLITUDE (Vp-p) B NO LOAD (SEE TABLE A) A -90 -70 -80 -40 -50 -60 -10 -20 -30 0 0 1.0 0.5 1.5 2.0 2.5 3.0 MAX7405 THD PLUS NOISE vs. INPUT SIGNAL AMPLITUDE AND RESISTIVE LOAD AMPLITUDE (Vp-p) fIN = 200Hz fC = 1kHz MEASUREMENT BW = 22kHz RL = 500Ω RL = 1kΩ RL = 10kΩ |
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