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參數(shù)資料
| 型號(hào)： | LMF60 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LMF60 High Performance 6th-Order Switched Capacitor Butterworth Lowpass Filter |
| 中文描述： | LMF60高性能6階巴特沃斯低通開(kāi)關(guān)電容濾波器 |
| 文件頁(yè)數(shù)： | 3/20頁(yè) |
| 文件大小： | 391K |
| 代理商： | LMF60 |
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Filter Electrical Characteristics
(Continued)
The following specifications apply for f
CLK
e
250 kHz (Note 7) unless otherwise specified.
Boldface limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
;
all other limits T
A
e
T
J
e
25
§
C.
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
V
a
e a
2.5V, V
b
e b
2.5V
f
CLK
Clock Frequency Range
(Note 16)
5
Hz (Min)
kHz (Max)
750
I
S
Total Supply Current
5.0
/
6.5
mA (Max)
Clock Feedthrough
(Peak to Peak)
V
IN
e
0V
Filter
Opamp
6
3
mV
mV
H
o
DC Gain (with
R
Source
s
2 k
X
)
f
CLK
e
250 kHz
0.10
b
0.26
/
/
0.10
b
0.30
dB (Max)
dB (Min)
f
CLK
e
500 kHz
b
0.08
dB
f
CLK
/f
C
Clock to
Cutoff
Frequency
Ratio
(Note 10)
LMF60-50
f
CLK
e
250 kHz
49.00
g
0.8%
/
49.00
g
1.0%
(Max)
f
CLK
e
500 kHz
49.00
g
0.6%
LMF60-100
f
CLK
e
250 kHz
98.10
g
0.8%
/
98.10
g
1.0%
(Max)
f
CLK
e
500 kHz
98.10
g
0.6%
Temperature Coefficient
of f
CLK
/f
C
4
ppm/
§
C
A
MIN
Stopband Attenuation
At 2
c
f
C
36
dB (Min)
V
OS
DC Offset
Voltage
LMF60-50
LMF60-100
g
60
g
90
mV (Max)
mV (Max)
V
OUT
Output Voltage
Swing (Note 2)
R
L
e
5 k
X
a
1.4
b
2.0
/
/
a
1.2
b
1.8
V (Min)
V (Max)
I
SC
Output Short Circuit
Current (Note 11)
Source
Sink
42
0.9
mA
mA
Dynamic Range
(Note 12)
81
dB
Additional
Magnitude
Response
Test Points
(Note 13)
LMF60-50
f
IN
e
6 kHz
b
9.45
g
0.46
/
b
9.45
g
0.50
dB
f
IN
e
4.5 kHz
b
0.87
g
0.16
/
b
0.87
g
0.20
dB
LMF60-100
f
IN
e
3 kHz
b
9.30
g
0.46
/
b
9.30
g
0.50
dB
f
IN
e
2.25 kHz
b
0.87
g
0.16
/
b
0.87
g
0.20
dB
http://www.national.com
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