MF4CN-50 National Semiconductor, MF4CN-50 Datasheet - Page 13

• Manufacturer Part Number: MF4CN-50
• Description: IC LOWPASS FILTER 4TH ORD SW CAP
• Manufacturer: National Semiconductor

Specifications of MF4CN-50

• Filter Type: Butterworth, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 20kHz
• Number Of Filters: 1
• Max-order: 4th
• Voltage - Supply: 5 V ~ 14 V
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *MF4CN-50; MF4NC-50

2.0 Designing With The MF4
(Continued)
DS005064-16
DS005064-17
(a) input signal spectrum
(b) Output signal spectrum. Note that the input signal
at f
/2 + f causes an output signal to appear at f
/2 − f.
c
c
FIGURE 14. The phenomenon of aliasing in sampled-data systems. An input signal whose
frequency is greater than one-half the sampling frequency will cause an output to appear
= f
at a frequency lower than one-half the sampling frequency. In the MF4, f
.
s
CLK
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