Maxim Integrated Datasheets for Active Filters

Active filters are electronic filters that use active components such as voltage amplifiers or operational amplifiers. The amplifier shapes and stabilizes the behavior of the filter, and serves as a buffer interface to the driven component.
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Product Name Notes
5th Order, Zero Error, Bessel, Switched Capacitor Lowpass Filter -- MAX281 5th-Order, Zero-Error, Bessel, Switched-Capacitor Lowpass Filter
5th-Order, Zero-Error, Butterworth, Switched-Capacitor Lowpass Filter -- MAX280
5th-Order, Zero-Error, Butterworth, Switched-Capacitor Lowpass Filter -- MXL1062
5th-Order, Zero-Error, Butterworth, Switched-Capacitor Lowpass Filter
Resistor-Pin-Programmable, Universal Switched Capacitor Filter -- MAX265
Resistor-Pin-Programmable, Universal Switched Capacitor Filter -- MAX266
Resistor/Pin-Programmable, Universal Switched-Capacitor Filter
Microprocessor Programmable Universal Active Filters -- MAX260
Microprocessor Programmable Universal Active Filters -- MAX261
Microprocessor Programmable Universal Active Filters -- MAX262
The MAX260/MAX261/MAX262 CMOS dual second-order universal switched-capacitor active filters allow microprocessor control of precise filter functions. No external components are required for a variety of bandpass, lowpass, highpass, notch, and...
Pin-Programmable Universal and Bandpass Filters -- MAX263
Pin-Programmable Universal and Bandpass Filters -- MAX264
Pin-Programmable Universal and Bandpass Filters -- MAX267
Pin-Programmable Universal and Bandpass Filters -- MAX268
The MAX263/264 and MAX267/268 CMOS switched-capacitor active filters are designed for precision filtering applications. Center frequency, Q, and operating mode are all selected via pin-strapped inputs. The MAX263/264 uses no...
Digitally-Programmed, Dual 2nd-Order Continuous Lowpass Filter -- MAX270
Digitally-Programmed, Dual 2nd-Order Continuous Lowpass Filter -- MAX271
The MAX270/MAX271 are digitally-programmed, dual second-order continuous-time lowpass filters. Their typical dynamic range of 96dB surpasses most switched capacitor filters which require additional filtering to remove clock noise. The MAX270/MAX271...
4th- and 8th-Order, Continuous-Time Active Filters -- MAX274
4th- and 8th-Order, Continuous-Time Active Filters -- MAX275
The MAX274 and MAX275 are continuous-time active filters consisting of independent cascadable 2nd-order sections. Each section can implement any all-pole bandpass or lowpass filter response, such as Butterworth, Bessel, Chebyshev,...
8th-Order, Lowpass, Switched-Capacitor Filters -- MAX291
8th-Order, Lowpass, Switched-Capacitor Filters -- MAX292
8th-Order, Lowpass, Switched-Capacitor Filters -- MAX295
8th-Order, Lowpass, Switched-Capacitor Filters -- MAX296
The MAX291/MAX292/MAX295/MAX296 are easy-to-use, 8th-order, lowpass, switched-capacitor filters that can be set up with corner frequencies from 0.1Hz to 25kHz (MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296). The MAX291/MAX295 Butterworth filters...
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX293
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX294
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX297
The MAX293/MAX294/MAX297 are easy-to-use, 8th-order, lowpass, elliptic, switched-capacitor filters that can be set up with corner frequencies from 0.1Hz to 25kHz (MAX293/MAX294) or from 0.1Hz to 50kHz (MAX297). The MAX293/MAX297's...
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7400
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7403
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7404
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7407
The MAX7400/MAX7403/MAX7404/MAX7407 8th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7400/MAX7403) or +3V (MAX7404/MAX7407) supply. These devices draw 2mA of supply current and allow corner frequencies from...
8th-Order, Lowpass, Bessel, Switched-Capacitor Filters -- MAX7401
8th-Order, Lowpass, Bessel, Switched-Capacitor Filters -- MAX7405
The MAX7401/MAX7405 8th-order, lowpass, Bessel, switched-capacitor filters (SCFs) operate from a single +5V (MAX7401) or +3V (MAX7405) supply. These devices draw only 2mA of supply current and allow corner frequencies...
5th Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7408
5th Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7411
5th Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7412
5th Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7415
The MAX7408/MAX7411/MAX7412/MAX7415 5th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7408/MAX7411) or +3V (MAX7412/MAX7415) supply. The devices draw only 1.2mA of supply current and allow corner frequencies...
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7409
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7410
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7413
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7414
The MAX7409/MAX7410/MAX7413/MAX7414 5th-order, lowpass, switched-capacitor filters (SCFs) operate from a single +5V (MAX7409/MAX7410) or +3V (MAX7413/ MAX7414) supply. These devices draw only 1.2mA of supply current and allow corner frequencies...
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7418
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7419
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7420
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7421
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7422
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7423
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7424
5th-Order, Lowpass, Switched-Capacitor Filters -- MAX7425
The MAX7418–MAX7425 5th-order, low-pass, switched-capacitor filters (SCFs) operate from a single +5V (MAX7418–MAX7421) or +3V (MAX7422–MAX7425) supply. These devices draw only 3mA of supply current and allow corner frequencies from...
5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7426
5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters -- MAX7427
The MAX7426/MAX7427 5th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7426) or +3V (MAX7427) supply. The devices draw only 0.8mA of supply current and allow corner frequencies...
8th-Order, Lowpass, Butterworth, Switched-Capacitor Filter -- MAX7480 The MAX7480 8th-order, lowpass, Butterworth, switched-capacitor filter (SCF) operates from a single +5V supply. The device draws only 2.9mA of supply current and allows corner frequencies from 1Hz to 2kHz,...
Dual Universal Switched-Capacitor Filters -- MAX7490
Dual Universal Switched-Capacitor Filters -- MAX7491
The MAX7490/MAX7491 consist of two identical low-power, low-voltage, wide dynamic range, rail-to-rail, 2nd-order switched-capacitor building blocks. Each of the two filter sections, together with two to four external resistors, can...