參數(shù)資料
型號： LTC1068-200IG#TR
廠商： Linear Technology
文件頁數(shù)： 1/30頁
文件大小： 0K
描述： IC FILTER BUILDG BLK QUAD 28SSOP
標準包裝： 2,000
濾波器類型： 通用開關電容器
頻率 - 截止或中心： 25kHz
濾波器數(shù)： 4
濾波器階數(shù)： 8th
電源電壓： 3.14 V ~ 11 V，±3.14 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應商設備封裝： 28-SSOP
包裝： 帶卷 (TR)
LTC1068 Series
1
1068fc
TYPICAL APPLICATION
DESCRIPTION
Clock-Tunable, Quad
Second Order, Filter Building Blocks
The LTC1068 product family consists of four monolithic
clock-tunable filter building blocks. Each product contains
fourmatched,lownoise,highaccuracy2ndorderswitched-
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).Externalresistorscanmodifytheclock-
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 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.
Gain vs Frequency
FEATURES
APPLICATIONS
n
Four Identical 2nd Order Filter Sections in an
SSOP Package
n
2nd Order Section Center Frequency Error:
±0.3% Typical and ±0.8% Maximum
n
Low Noise per 2nd Order Section, Q ≤ 5:
LTC1068-200 50VRMS, LTC1068 50VRMS
LTC1068-50 75VRMS, LTC1068-25 90VRMS
n
Low Power Supply Current: 4.5mA, Single 5V,
LTC1068-50
n
Operation with ±5V Power Supply, Single 5V
Supply or Single 3.3V Supply
n
Lowpass or Highpass Filters:
LTC1068-200, 0.5Hz to 25kHz; LTC1068, 1Hz to
50kHz; LTC1068-50, 2Hz to 50kHz; LTC1068-25,
4Hz to 200kHz
n
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
Dual, Matched, 4th Order Butterworth Lowpass Filters, Clock-Tunable Up
to 200kHz f – 3dB = fCLK/25, 4th Order Filter Noise = 60VRMS
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
0.1F
R21 14k
R22 20k
R12 14k
R32 10k
R34 10k
R24 20k
R14 14k
R11 20k
VIN1
VIN2
5V
1F
VOUT1
VOUT2
1068 TA01
–5V
fCLK = (25)(f – 3dB)
RELATIVE FREQUENCY [fIN/(f – 3dB)]
0.1
GAIN
(dB)
–10
–20
–30
–40
–50
–60
–70
–80
1
10
1068 TA02
10
0
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
FilterCAD is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
相關PDF資料
PDF描述
LTC1068-50IG#TRPBF IC FILTR BUILDNG BLK QUAD 28SSOP
LTC1068-50IG#TR IC FILTER BUILDG BLK QUAD 28SSOP
LTC1068IG IC FILTR BUILDNG BLK QUAD 28SSOP
LTC1068-50IG#PBF IC FILTR BUILDNG BLK QUAD 28SSOP
LTC1068-50IG IC FILTR BUILDNG BLK QUAD 28SSOP
相關代理商/技術參數(shù)
參數(shù)描述
LTC106825CG 制造商:Linear Technology 功能描述:
LTC1068-25CG 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:- 產品培訓模塊: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） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR)
LTC1068-25CG#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:- 產品培訓模塊: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） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR)
LTC1068-25CG#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:- 產品培訓模塊: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） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR)
LTC1068-25CG#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:- 產品培訓模塊: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） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR)
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