Active Filters

An active filter is a type of analog circuit that implements an electronic filter to a signal using active components such as an amplifier. When an amplifier is included in a filter design or application, it can improve the predictability and performance of the filter.

Types of Active Filters

  • Brand Pass Filters
  • Brand Reject Filter
  • High Pass Filter
  • Low pass Filter
  • Quad Filters and Universal Filters are devices that can be programmed to perform one of the other types of active filters
  • Notch Filter

...
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Filters

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Description Price Filter Type Maximum Order Architecture Cut-off Frequency Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage Number of Circuits Mounting Type Package Type Pin Count Dimensions Height Length
RS Stock No. 737-3194
Mfr. Part No.748112024
SGD2.48
Each
units
Low Pass Filter 2nd - 2500MHz - - - - Surface Mount - 6 1.6 x 0.8 x 0.6mm 0.6mm 1.6mm
RS Stock No. 177-6020
Mfr. Part No.748112024
SGD1.708
Each (On a Reel of 4000)
units
Low Pass Filter 2nd - 2500MHz - - - - Surface Mount - 6 1.6 x 0.8 x 0.6mm 0.6mm 1.6mm
RS Stock No. 820-9722
Mfr. Part No.ADA4431-1YCPZ-R7
SGD2.782
Each (In a Pack of 5)
units
Low Pass Filter 3rd Switched Capacitor - Single 2.5 → 3.6 V - 1 Surface Mount LFCSP UQ 16 3 x 3 x 0.55mm 0.55mm 3mm
RS Stock No. 165-4569
Mfr. Part No.MAX7407CSA+
SGD10.105
Each (In a Tube of 100)
units
Low Pass Filter 8th Switched Capacitor 10kHz Single 3 V - 1 Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm
RS Stock No. 799-8092
Mfr. Part No.MAX7407CSA+
SGD12.46
Each
units
Low Pass Filter 8th Switched Capacitor 10kHz Single 3 V - 1 Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm
RS Stock No. 145-5851
Mfr. Part No.ADA4431-1YCPZ-R7
SGD1.641
Each (On a Reel of 1500)
units
Low Pass Filter 3rd Switched Capacitor - Single 2.5 → 3.6 V - 1 Surface Mount LFCSP UQ 16 3 x 3 x 0.55mm 0.55mm 3mm
RS Stock No. 155-9373
Mfr. Part No.LTC1068IG#PBF
SGD16.551
Each (In a Tube of 47)
units
Band Pass Filter, Band Reject Filter, High Pass Filter, Low Pass Filter 8th Switched Capacitor 120kHz Dual, Single 3.3 V, 5 V ±5V 4 Surface Mount SSOP 28 10.5 x 5.6 x 1.95mm 1.95mm 10.5mm
RS Stock No. 165-9698
Mfr. Part No.MAX7490EEE+
SGD12.909
Each (In a Tube of 100)
units
Universal Filter 2nd Switched Capacitor 40kHz Single 5 V - 2 Surface Mount QSOP 16 4.98 x 3.99 x 1.651mm 1.651mm 4.98mm
RS Stock No. 151-3338
Mfr. Part No.LTC1068-200IG#PBF
SGD24.93
Each
units
Quad Filter 2nd Switched Capacitor 25kHz Dual - 5.5 (Maximum)V 4 Surface Mount SSOP 28 10.5 x 5.7 x 1.95mm 1.95mm 10.5mm
New
RS Stock No. 190-7054
Mfr. Part No.MAX7409EUA+
SGD7.64
Each (In a Pack of 2)
units
- - - - - - - - - - - - - -
RS Stock No. 732-6974
Mfr. Part No.MAX7490CEE+
SGD12.86
Each
units
Universal Filter 2nd Switched Capacitor 40kHz Single 4.5 → 5.5 V - 2 Surface Mount QSOP 16 4.98 x 3.99 x 1.651mm 1.651mm 4.98mm
New
RS Stock No. 191-4788
Mfr. Part No.MAX7426EUA+
SGD5.122
Each (In a Pack of 5)
units
Low Pass Filter 5th Switched Capacitor 12kHz Dual, Single 5 V - 1 Surface Mount μMAX 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
New
RS Stock No. 190-6087
Mfr. Part No.MAX7427EUA+
SGD3.458
Each (In a Tube of 50)
units
- 5th Switched Capacitor 1 12kHz Single 4.5 5.5 V - 1 Surface Mount μMax 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
RS Stock No. 761-8926
Mfr. Part No.LTC1060CSW#PBF
SGD14.65
Each
units
Universal Filter 2nd Switched Capacitor - Dual, Single 5 V ±8V - Surface Mount SOIC W 20 13.005 x 7.959 x 2.337mm 2.337mm 13.01mm
New
RS Stock No. 191-5299
Mfr. Part No.MAX7404CSA+
SGD6.916
Each (In a Tube of 100)
units
Low Pass Filter 8th Switched Capacitor 10kHz Single 3 V - 1 Surface Mount SO 8 5 x 4 x 1.5mm 1.5mm 5mm
RS Stock No. 165-9303
Mfr. Part No.MAX7401ESA+
SGD12.057
Each (In a Tube of 100)
units
Low Pass Filter 8th Switched Capacitor 5kHz Single 4.5 → 5.5 V - 1 Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm
RS Stock No. 153-3479
Mfr. Part No.LTC1064-2CN#PBF
SGD24.799
Each (In a Tube of 50)
units
Low Pass Filter 8th - 140kHz Dual, Single 5 V, 9 V, 12 V, 15 V ±3 V, ±5 V 1 Through Hole PDIP 14 19.56 x 6.48 x 3.3mm 3.3mm 19.56mm
New
RS Stock No. 191-3223
Mfr. Part No.MAX7420EUA+
SGD11.249
Each (In a Tube of 50)
units
Low Pass Filter 5th Switched Capacitor 45kHz Single 5 V - 1 Surface Mount μMAX 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
New
RS Stock No. 190-7126
Mfr. Part No.MAX7480ESA+
SGD7.355
Each (In a Pack of 2)
units
- - - - - - - - - - - - - -
RS Stock No. 799-8128
Mfr. Part No.MAX7425EUA+
SGD16.66
Each
units
Low Pass Filter 5th Switched Capacitor 45kHz Single 3 V - 1 Surface Mount μMAX 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
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