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MAX7408 Datasheet(数据表) 2 Page - Maxim Integrated Products |
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MAX7408 Datasheet(HTML) 2 Page - Maxim Integrated Products |
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2 page 
5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS—MAX7408/MAX7411 (VDD = +5V; filter output measured at OUT, 10kΩ || 50pF load to GND at OUT, SHDN = VDD, OS = COM, 0.1µF from COM to GND, fCLK = 100kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. VDD to GND ..............................................................-0.3V to +6V IN, OUT, COM, OS, CLK, SHDN ................-0.3V to (VDD + 0.3V) OUT Short-Circuit Duration...................................................1sec Continuous Power Dissipation (TA = +70°C) 8-Pin DIP (derate 6.90mW/°C above +70°C) ...............552mW 8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW Operating Temperature Ranges MAX74_ _C_A .....................................................0°C to +70°C MAX74_ _E_A ..................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C COSC = 1000pF (Note 3) VOS = 0 to VDD SHDN = GND, VCOM = 0 to VDD (Note 1) TA = +25°C Input, COM externally driven OS to OUT Measured with respect to COM fIN = 200Hz, VIN = 4Vp-p, measurement bandwidth = 22kHz VIN = VCOM = VDD / 2 VCOM = VDD / 2 (Note 2) Output, COM internally driven CONDITIONS 19 27 34 fOSC Internal Oscillator Frequency ±0.2 ±10 Input Leakage Current at OS ±0.2 ±10 Input Leakage Current at COM 50 500 CL 10 1 RL Resistive Output Load Drive 5 Clock Feedthrough 110 180 RCOM Input Resistance at COM ±0.1 VOS Input Voltage Range at OS VDD - 0.2 VDD VDD + 0.2 2 2 2 100:1 fCLK/fC Clock-to-Corner Ratio 0.001 to 15 fC Corner-Frequency Range VDD - 0.5 VDD VDD + 0.5 2 2 2 VCOM COM Voltage Range 1 AOS Offset Voltage Gain -81 THD+N Total Harmonic Distortion plus Noise 10 Clock-to-Corner Tempco 0.25 VDD - 0.25 Output Voltage Range ±4 ±25 VOFFSET Output Offset Voltage 0 0.2 0.4 DC Insertion Gain with Output Offset Removed MIN TYP MAX SYMBOL PARAMETER 0.5 VIL Clock Input Low 4.5 VIH Clock Input High ±12 ±20 ICLK Clock Output Current (Internal Oscillator Mode) V V µA kHz µA µA pF k Ω mVp-p k Ω V V V/V dB dB mV V ppm/°C kHz UNITS Maximum Capacitive Load at OUT FILTER CLOCK |
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