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參數(shù)資料
| 型號： | LTC1068 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Clock-Tunable, Quad Second Order, Filter Building Blocks |
| 中文描述： | 時鐘可調(diào)，四路二階，過濾積木 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 535K |
| 代理商： | LTC1068 |
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1
LTC1068 Series
Clock-Tunable, Quad
Second Order, Filter Building Blocks
S
FEATURE
I
Four Identical 2nd Order Filter Sections in an
SSOP Package
I
2nd Order Section Center Freque
ncy Error:
±
0.3% Typical and
±
0.8% Maximum
I
Low Noise
per 2nd Order Section, Q
≤
5:
LTC1068-200 50
μ
V
RMS
, LTC1068 50
μ
V
RMS
LTC1068-50 75
μ
V
RMS
, LTC1068-25 90
μ
V
RMS
I
Low Power Supply Current: 4.5mA, Single 5V,
LTC1068-50
I
Operation with
±
5V Power Supply, Single 5V
Supply or Single 3.3V Supply
The LTC
1068 product family consists of four monolithic
clock-tunable filter building blocks. Each product contains
four matched, low noise, high accuracy 2nd order switched-
capacitor filter sections. An external clock tunes the center
frequency of each 2nd order filter section. The LTC1068
products differ only in their clock-to-center frequency
ratio. The clock-to-center frequency ratio is set to 200:1
(LTC1068-200), 100:1 (LTC1068), 50:1 (LTC1068-50) or
25:1 (LTC1068-25). External resistors can modify the
clock-to-center frequency ratio. High performance, quad
2nd order, dual 4th order or 8th order filters can be
designed with an LTC1068 family product. Designing
filters with an LTC1068 product is fully supported by
FilterCAD
TM
filter design software for Windows
.
The LTC1068 products are available in a 28-pin SSOP
surface mount package. A customized version of an
LTC1068 family product can be obtained in a 16-lead SO
package with internal thin-film resistors. Please contact
LTC Marketing for details.
D
U
ESCRIPTIO
FilterCAD is a trademark of Linear Technology Corporation.
Windows is a registered trademark of Microsoft Corporation.
, LTC and LT are registered trademarks of Linear Technology Corporation.
U
S
A
O
PPLICATI
U
A
O
PPLICATI
TYPICAL
Dual, Matched, 4th Order Butterworth Lowpass Filters, Clock-Tunable
Up to 200kHz f – 3dB = f
CLK
/25, 4th Order Filter Noise = 60
μ
V
RMS
INV B
HPB/NB
BPB
LPB
SB
NC
AGND
V
+
NC
SA
LPA
BPA
HPA/NA
INVA
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
INV C
HPC/NC
BPC
LPC
SC
V
–
NC
CLK
NC
SD
LPD
BPD
HPD/ND
INVD
LTC1068-25
R31 20k
R33 20k
R23 14k
R13 20k
0.1
μ
F
R21 14k
R22 20k
R12 14k
R32 10k
R34 10k
R24 20k
R14 14k
R11 20k
V
IN1
V
IN2
5V
1
μ
F
V
OUT1
V
OUT2
1068 TA20a
–5V
f
CLK
= (25)(f – 3dB)
RELATIVE FREQUENCY [f
IN
/(f – 3dB)]
0.1
G
–10
–20
–30
–40
–50
–60
–70
–80
1
10
1068 TA20b
10
0
Gain vs Frequency
I
Lowpass or Highpass Filters:
LTC1068-200, 0.5Hz to 25kHz; LTC1068, 1Hz to
50kHz; LTC1068-50, 2Hz to 50kHz; LTC1068-25,
4Hz to 200kHz
I
Bandpass or Bandreject (Notch) Filters:
LTC1068-200, 0.5Hz to 15kHz; LTC1068, 1Hz to
30kHz; LTC1068-50, 2Hz to 30kHz; LTC1068-25,
4Hz to 140kHz
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1068C | Clock-Tunable, Quad Second Order, Filter Building Blocks |
| LTC1068CG | Clock-Tunable, Quad Second Order, Filter Building Blocks |
| LTC1068CN | Clock-Tunable, Quad Second Order, Filter Building Blocks |
| LTC1068I | Clock-Tunable, Quad Second Order, Filter Building Blocks |
| LTC1068CG-25 | Clock-Tunable, Quad Second Order, Filter Building Blocks |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1068-200CG | 功能描述:IC FILTR BUILDNG BLK QUAD 28SSOP 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 標準包裝: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) |
| LTC1068-200CG#PBF | 功能描述:IC FILTR BUILDNG BLK QUAD 28SSOP 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 標準包裝: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) |
| LTC1068-200CG#TR | 功能描述:IC FILTER BUILDG BLK QUAD 28SSOP 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 標準包裝: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) |
| LTC1068-200CG#TRPBF | 功能描述:IC FILTR BUILDNG BLK QUAD 28SSOP 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 標準包裝: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) |
| LTC1068-200CG-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Clock-Tunable, Quad Second Order, Filter Building Blocks |
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