參數(shù)資料
型號(hào)： LTC1563-2
廠商： Linear Technology Corporation
英文描述： Active RC, 4th Order Lowpass Filter Family(有源RC 4階低通濾波器)
中文描述： 有源RC，四階低通濾波器系列（有源區(qū)局4階低通濾波器）
文件頁數(shù)： 3/20頁
文件大?。?/td> 269K
代理商： LTC1563-2
3
LTC1563-2/LTC1563-3
ELECTRICAL CHARACTERISTICS
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C.
V
S
= Single 4.75V, EN pin to logic “l(fā)ow,” Gain = 1, R
FIL
= R11 = R21 = R31 = R12 = R22 = R32, specifications apply to both the high
speed (HS) and low power (LP) modes unless otherwise noted.
PARAMETER
DC Offset Voltage Drift, HS Mode
(Input to Output, Sections A, B Cascaded)
CONDITIONS
V
S
= 3V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 4.75V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
=
±
5V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 2.7V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 4.75V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
=
±
5V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 4.75V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 3V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 4.75V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
=
±
5V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 2.7V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 4.75V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
=
±
5V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 4.75V, f
C
= 25.6kHz, R
FIL
= 100k
V
S
= 3V
V
S
= 4.75V
V
S
=
±
5V
V
S
= 3V
V
S
= 4.75V
V
S
=
±
5V
V
S
= 3V
V
S
= 4.75V
V
S
=
±
5V
V
S
= 3V
V
S
= 4.75V
V
S
=
±
5V
MIN
TYP
10
10
10
10
10
10
2.375
8.0
10.5
15
1.0
1.4
2.3
1
MAX
UNITS
μ
V/
°
C
μ
V/
°
C
μ
V/
°
C
μ
V/
°
C
μ
V/
°
C
μ
V/
°
C
G
G
G
DC Offset Voltage Drift, LP Mode
(Input to Output, Sections A, B Cascaded)
G
G
G
AGND Voltage
Power Supply Current, HS Mode
G
2.35
2.40
14
17
23
1.8
2.5
3.5
20
0.8
1
1
V
G
G
G
mA
mA
mA
mA
mA
mA
μ
A
Power Supply Current, LP Mode
G
G
G
Shutdown Mode Supply Current
EN Input
Logic Low Level
G
G
G
G
V
V
V
V
V
V
V
V
V
V
V
V
EN Input
Logic High Level
G
G
G
2.5
4.3
4.4
LP
Logic Low Level
G
G
G
0.8
1
1
LP
Logic High Level
G
G
G
2.5
4.3
4.4
LTC1563-2 Transfer Function Characteristics
Cutoff Frequency Range, f
C
HS Mode
(Note 2)
Cutoff Frequency Range, f
C
LP Mode
(Note 2)
Cutoff Frequency Accuracy, HS Mode
f
C
= 25.6kHz
V
S
= 3V
V
S
= 4.75V
V
S
=
±
5V
V
S
= 2.7V
V
S
= 4.75V
V
S
=
±
5V
V
S
= 3V, R
FIL
= 100k
V
S
= 4.75V, R
FIL
= 100k
V
S
=
±
5V, R
FIL
= 100k
V
S
= 3V, R
FIL
= 10k
V
S
= 4.75V, R
FIL
= 10k
V
S
=
±
5V, R
FIL
= 10k
V
S
= 2.7V, R
FIL
= 100k
V
S
= 4.75V, R
FIL
= 100k
V
S
=
±
5V, R
FIL
= 100k
(Note 3)
Test Frequency = 2.56kHz (0.1 f
C
)
Test Frequency = 12.8kHz (0.5 f
C
)
G
G
G
0.256
0.256
0.256
0.256
0.256
0.256
–2.0
–2.0
–2.0
–5
–5
–5
–3
–3
–3
256
256
256
25.6
25.6
25.6
3.5
3.5
3.5
1.5
1.5
1.5
3
3
3
kHz
kHz
kHz
kHz
kHz
kHz
%
%
%
%
%
%
%
%
%
G
G
G
G
G
G
±
1.5
±
1.5
±
1.5
±
1.5
±
1.5
±
1.5
±
1.5
±
1.5
±
1.5
±
1
0
0
Cutoff Frequency Accuracy, HS Mode
f
C
= 256kHz
G
G
G
Cutoff Frequency Accuracy, LP Mode
f
C
= 25.6kHz
G
G
G
Cutoff Frequency Temperature Coefficient
Passband Gain, HS Mode, f
C
= 25.6kHz
V
S
= 4.75V, R
FIL
= 100k
G
ppm/
°
C
G
G
–0.2
–0.3
0.2
0.3
dB
dB
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