參數(shù)資料
型號(hào)： LTC1563-2CGN
廠商： LINEAR TECHNOLOGY CORP
元件分類： 運(yùn)動(dòng)控制電子
英文描述： Active RC, 4th Order Lowpass Filter Family
中文描述： CONTINUOUS TIME FILTER, BUTTERWORTH, LOWPASS, PDSO16
封裝： 0.150 INCH, PLASTIC, SSOP-16
文件頁(yè)數(shù)： 9/12頁(yè)
文件大?。?/td> 146K
代理商： LTC1563-2CGN
9
LTC 1563-2/LTC 1563-3
Figure 3. 4th Order Filter Connections (Power Supply, Ground,
EN and LP Connections Not Shown for Clarity). Table 1 Shows
Resistor Values
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LP
SA
NC
INVA
NC
LPA
AGND
V
–
V
+
LPB
NC
INVB
NC
SB
NC
EN
V
OUT
LTC1563-2
V
IN
1563 F03
R31
R32
R22
R21
R11
R12
4th Order Filter Responses Using the LTC1563-2
FREQUENCY (Hz)
0.1
G
–20
–40
–60
–80
–90
10
0
10
1
1563 F03a
NORMALIZED TO f
C
= 1Hz
BUTTERWORTH
0.5dB RIPPLE
CHEBYSHEV
0.1dB RIPPLE
CHEBYSHEV
Figure 3a. Frequency Response
FREQUENCY (Hz)
0.1
G
–2
–4
–6
–8
–10
1
0
2
1
1563 F03b
BUTTERWORTH
0.5dB RIPPLE
CHEBYSHEV
0.1dB RIPPLE
CHEBYSHEV
NORMALIZED TO f
C
= 1Hz
Figure 3b. Passband Frequency Response
TIME (s)
0
O
1.2
1.0
0.8
0.6
0.4
0.2
0
1.0
0.5
1.5
2.0
1563 F03C
2.5
3.0
BUTTERWORTH
0.5dB RIPPLE
CHEBYSHEV
0.1dB RIPPLE
CHEBYSHEV
NORMALIZED TO f
C
= 1Hz
Figure 3c. Step Response
Table 1. Resistor Values, Normalized to 256kHz Cutoff Frequency (f
C
), Figure 3. The Passband
Gain, of the 4th Order LTC1563-2 Lowpass Filter, Is Set to Unity. (Note 1)
0.1dB RIPPLE
CHEBYSHEV
15kHz
135kHz
13.7k(256kHz/f
C
)
10.7k(256kHz/f
C
)
10k(256kHz/f
C
)
6.81k(256kHz/f
C
)
0.5dB RIPPLE
CHEBYSHEV
13kHz
113kHz
20.5k(256kHz/f
C
)
12.4k(256kHz/f
C
)
12.1k(256kHz/f
C
)
6.98k(256kHz/f
C
)
BUTTERWORTH
25.6kHz
256kHz
10k(256kHz/f
C
)
10k(256kHz/f
C
)
10k(256kHz/f
C
)
10k(256kHz/f
C
)
LP Mode Max f
C
HS Mode Max f
C
R11 = R21 =
R31 =
R12 = R22 =
R32 =
Example: In HS mode, 0.1dB ripple Chebyshev, 100kHz cutoff frequency, R11 = R21 = 35k
34.8k (1%),
R31 = 27.39k
27.4k (1%), R12 = R22 = 256k
255k (1%), R32 = 17.43k
17.4k (1%)
Note 1:
The resistor values listed in this table provide good approximations of the listed transfer functions. For the
optimal resistor values, higher gain or other transfer functions, use FilterCAD Version 3.0 (or newer) or contact the
Linear Technology Filter Applications group for assistance.
TYPICAL APPLICATIO S
相關(guān)PDF資料
PDF描述
LTC1565-31CS8 650kHz Continuous Time, Linear Phase Lowpass Filter
LTC1565-31 650kHz Continuous Time, Linear Phase Lowpass Filter
LTC1565-31IS8 650kHz Continuous Time, Linear Phase Lowpass Filter
LTC1569-6 Linear Phase, DC Accurate, Low Power, 10th Order Lowpass Filter
LTC1569IS8-7 Linear Phase, DC Accurate, Tunable, 10th Order Lowpass Filter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LTC1563-2CGNPBF 制造商:Linear Technology 功能描述:Active Filter Dual LP 8th 256kHz SSOP16
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