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參數(shù)資料
| 型號： | 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)： | 13/20頁 |
| 文件大?。?/td> | 269K |
| 代理商： | LTC1563-2 |
13
LTC1563-2/LTC1563-3
Figure 5. 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 5a. 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 5b. 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 5c. Step Response
Table 1. Resistor Values, Normalized to 256kHz Cutoff Frequency (f
C
), Figure 5. 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.
APPLICATIO
S I
FOR
ATIO
U
W
U
U
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相關(guān)代理商/技術(shù)參數(shù) |
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| LTC1563-2CGN | 功能描述:IC FILTER LOPASS 4TH ORD 16-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC1563-2CGN#PBF | 功能描述:IC FILTER LP RC 4TH ORDER 16SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC1563-2CGN#TR | 功能描述:IC FILTER LP RC 4TH ORDER 16SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC1563-2CGN#TRPBF | 功能描述:IC FILTER LP RC 4TH ORDER 16SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC1563-2CGNPBF | 制造商:Linear Technology 功能描述:Active Filter Dual LP 8th 256kHz SSOP16 |
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