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MAX7426 Datasheet(数据表) 6 Page - Maxim Integrated Products |
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MAX7426 Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 page ![]() 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (VDD = +5V for MAX7426, VDD = +3V for MAX7427, fCLK = 100kHz, SHDN = VDD, VCOM = VOS = VDD / 2, TA = +25°C, unless other- wise noted.) -90 -70 -80 -50 -60 -40 -30 -10 -20 0 012345 MAX7426 TOTAL HARMONIC DISTORTION PLUS NOISE vs. INPUT SIGNAL AMPLITUDE AMPLITUDE (Vp-p) A B SEE TABLE 1. 0 1.0 0.5 1.5 2.0 2.5 3.0 MAX7427 TOTAL HARMONIC DISTORTION PLUS NOISE vs. INPUT SIGNAL AMPLITUDE AMPLITUDE (Vp-p) -90 -70 -80 -50 -60 -40 -30 -10 -20 0 A B SEE TABLE 1. Table 1. THD + Noise Test Conditions LABEL fIN (Hz) fC (kHz) A 200 1 B 1k 5 fCLK (kHz) 100 500 MEASUREMENT BANDWIDTH (kHz) 22 80 |