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数据搜索系统，热门电子元器件搜索 |
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MAX7490 Datasheet(数据表) 3 Page - Maxim Integrated Products |
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MAX7490 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 page 
Dual Universal Switched-Capacitor Filters _______________________________________________________________________________________ 3 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Clock Input Low 0.5 V Clock Duty Cycle 50 ± 5% SHDN AND EXTCLK Input High VIH VDD - 0.5 V Input Low VIL 0.5 V Input Leakage Current VINPUT = 0 to VDD ±0.4 ±10 µA POWER REQUIREMENTS Supply Voltage VDD 4.5 5.5 V Power-Supply Current IDD No external load, mode 1, R1 = R3 = 50k Ω, R2 = 10k Ω, Q = 5 3.5 4.0 mA Shutdown Current ISHDN SHDN = GND 1 µA INTERNAL OP AMPS CHARACTERISTICS Output Short-Circuit Current ±18 mA DC Open-Loop Gain RL ≥ 10kΩ, CL ≤ 50pF 130 dB Gain Bandwidth Product GBW RL ≥ 10kΩ, CL ≤ 50pF 7 MHz Slew Rate SR RL ≥ 10kΩ, CL ≤ 50pF 6.4 V/ µs ELECTRICAL CHARACTERISTICS—MAX7490 (continued) (VDD = EXTCLK = +5V, fCLK = 625kHz, TA = TMIN to TMAX, 10k Ω || 50pF load to VDD/2 at LP_, BP_, and N_/HP_, SHDN = VDD, 0.1µF from COM to GND, 50% duty-cycle clock input, COM = VDD/2. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) |
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