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MF4CN-50 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # MF4CN-50
Description  MF4 4th Order Switched Capacitor Butterworth Lowpass Filter
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

MF4CN-50 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
+–V)
14V
Voltage At Any Pin
V
+ + 0.2V
V
− 0.2V
Input Current at Any Pin (Note 14)
5 mA
Package Input Current (Note 14)
20 mA
Power Dissipation (Note 15)
500 mW
Storage Temperature
150˚C
ESD Susceptibility (Note 13)
800 V
Soldering Information (10 sec.)
260˚C
Operating Ratings (Note 2)
Temperature Range
T
min
≤ T
A
≤ T
max
MF4CN-50
0˚C
≤ T
A≤ 70˚C
Supply Voltage (V
+–V)
5Vto14V
Filter Electrical Characteristics
The following specifications apply for f
CLK ≤ 250 kHz (Note 5) unless otherwise specified. Boldface limits apply for TMIN
to T
MAX; all other limits TA = TJ = 25˚C.
Parameter
Conditions
Typical
Tested
Design
Unit
(Note 10)
Limit
Limit
(Note 11)
(Note 12)
V
+ = +5V, V= −5V
fc, Cutoff Frequency
Min
0.1
Hz
Range (Note 3)
Max
20k
Supply Current
fclk = 250 kHz
2.5
3.5
3.5
mA
Maximum Clock
Filter Output
Vin = 0V
Feedthrough
25
mV
(Peak-to-Peak)
Ho, DC Gain
Rsource ≤ 2kΩ
0.0
±0.15
±0.15
dB
fclk/fc, Clock to Cutoff
49.96
49.96
Frequency Ratio
±0.3%
±1%
fclk/fc Temperature
±15
ppm/˚C
Coefficient
Stopband Attenuation (Min)
at 2 fc
−25.0
−24.0
−24.0
dB
DC Offset Voltage
−200
mV
Minimum Output Swing
RL = 10 kΩ
+4.0
+3.5
+3.5
V
−4.5
−4.0
−4.0
V
Output Short Circuit
Source
50
mA
Current (Note 8)
Sink
1.5
mA
Dynamic Range (Note 4)
80
dB
Additional Magnitude
f = 6000 Hz
−7.57
−7.57
Response Test Points
±0.47
±0.47
dB
(Note 6)
f = 4500 Hz
−1.44
−1.44
fclk = 250 kHz
±0.12
±0.12
f = 3000 Hz
dB
f = 2250 Hz
V
+ = +2.5V, V= −2.5V
fc Cutoff Frequency
min
0.1
Hz
Range (Note 3)
max
10k
Supply Current
fclk = 250 kHz
1.5
2.25
2.25
mA
Maximum Clock
Feedthrough
Filter Output
Vin = 0V
15
mV
(Peak-to-Peak)
Ho, DC Gain
Rsource ≤ 2kΩ
0.0
±0.15
±0.15
dB
fclk/fc, Clock to Cutoff
50.07
50.07
Frequency Ratio
±0.3%
±1.0%
fCLK/fC Temperature
±25
ppm/˚C
Coefficient
www.national.com
3


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