MAX7427EUA+ Maxim Integrated Products, MAX7427EUA+ Datasheet
MAX7427EUA+
Specifications of MAX7427EUA+
Related parts for MAX7427EUA+
MAX7427EUA+ Summary of contents
Page 1
... MAX7427 CLOCK CLK COM OS GND ________________________________________________________________ Maxim Integrated Products For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters o 5th-Order, Elliptic Lowpass Filters o Low Noise and Distortion: -80dB THD + Noise ...
Page 2
Lowpass, Elliptic, Switched-Capacitor Filters ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD IN, OUT, COM, OS, CLK, SHDN ................-0. OUT Short-Circuit Duration.......................................................1s Continuous Power Dissipation (T = +70°C) A 8-Pin µMAX (derate 4.1mW/°C above +70°C) ...
Page 3
ELECTRICAL CHARACTERISTICS—MAX7426 (continued +5V, filter output measured at OUT, 10kΩ 100kHz unless otherwise noted. Typical values are at T CLK A MIN MAX PARAMETER SYMBOL POWER REQUIREMENTS Supply Voltage ...
Page 4
Lowpass, Elliptic, Switched-Capacitor Filters ELECTRICAL CHARACTERISTICS—MAX7427 (continued +3V, filter output measured at OUT pin, 10kΩ DD GND 100kHz unless otherwise noted. Typical values are at T CLK A MIN ...
Page 5
MAX7426 +3V for MAX7427 wise noted.) FREQUENCY RESPONSE 1kHz 1.25 -10 -20 -30 -40 -50 -60 - INPUT FREQUENCY ...
Page 6
Lowpass, Elliptic, Switched-Capacitor Filters (V = +5V for MAX7426 +3V for MAX7427 wise noted.) MAX7426 TOTAL HARMONIC DISTORTION PLUS NOISE vs. INPUT SIGNAL AMPLITUDE 0 SEE TABLE 1. -10 -20 -30 -40 -50 -60 ...
Page 7
MAX7426 +3V for MAX7427 wise noted.) INTERNAL OSCILLATOR PERIOD vs. SMALL CAPACITANCE (IN pF) 200 V DD 150 100 500 1000 1500 2000 CAPACITANCE (pF) INTERNAL OSCILLATOR FREQUENCY ...
Page 8
Lowpass, Elliptic, Switched-Capacitor Filters PIN NAME Common Input Pin. Biased internally at midsupply. Bypass externally to GND with a 0.1µF capacitor COM override internal biasing, drive with an external supply Filter Input 3 GND Ground ...
Page 9
RIPPLE f C TRANSITION RATIO = f S PASSBAND Figure 2. Elliptic Filter Response powered from Varying the rate of the external DD clock adjusts the corner frequency of the filter: f ...
Page 10
Lowpass, Elliptic, Switched-Capacitor Filters SHDN OUT INPUT IN COM MAX7426 MAX7427 V+ CLOCK CLK OS V- GND V- *CONNECT SHDN TO V- FOR LOW-POWER SHUTDOWN MODE. Figure 4. Dual-Supply Operation Characteristics table for the input voltage ...
Page 11
Information ______________________________________________________________________________________ 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters 11 ...
Page 12
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2000 Maxim Integrated Products ...