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参数资料
| 型号： | LTC1064-1CSW#TR |
| 厂商： | Linear Technology |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC FILTER LP 8ORD ELLIPTC 16SOIC |
| 标准包装： | 1,000 |
| 滤波器类型： | 考尔，低通开关电容器 |
| 频率 - 截止或中心： | 20kHz |
| 滤波器数： | 1 |
| 滤波器阶数： | 8th |
| 电源电压： | ±2.37 V ~ 8 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
LTC1064-1
1
10641fa
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
■
8th Order Filter in a 14-Pin Package
■
No External Components
■
100:1 Clock to Center Ratio
■
150VRMS Total Wideband Noise
■
0.03% THD or Better
■
50kHz Maximum Corner Frequency
■
Operates from ±2.37V to ±8V Power Supplies
■
Passband Ripple Guaranteed Over Full Military
Temperature Range
Low Noise, 8th Order, Clock
Sweepable Elliptic Lowpass Filter
The LTC
1064-1 is an 8th order, clock sweepable elliptic
(Cauer) lowpass switched capacitor filter. The passband
ripple is typically ±0.15dB, and the stopband attenuation
at 1.5 times the cutoff frequency is 68dB or more.
An external TTL or CMOS clock programs the value of the
filter’s cutoff frequency. The clock to cutoff frequency ratio
is 100:1.
No external components are needed for cutoff frequencies
up to 20kHz. For cutoff frequencies over 20kHz two low
value capacitors are required to maintain passband flatness.
The LTC1064-1 features low wideband noise and low
harmonic distortion even for input voltages up to 3VRMS.
In fact the LTC1064-1 overall performance completes with
equivalent multiple op amp RC active realizations.
The LTC1064-1 is available in a 14-pin DIP or 16-pin
surface mounted SW package.
The LTC1064-1 is pin compatible with the LTC1064-2.
, LTC and LT are registered trademarks of Linear Technology Corporation.
8th Order Clock Sweepable Lowpass
Elliptic Antialiasing Filter
Frequency Response
V
OUT
/V
IN
(dB)
15
0
–15
–30
–45
–60
–75
–90
–105
FREQUENCY (kHz)
040
1064 TA02
10
515
25
35
20
30
8th ORDER CLOCK SWEEPABLE LOWPASS ELLIPTIC ANTIALIASING
FILTER MAINTAINS, FOR 0.1Hz ≤ fCUTOFF ≤ 10kHz, A ±0.15dB PASSBAND
RIPPLE AND 72dB STOPBAND ATTENUATION AT 1.5 × fCUTOFF.
TOTAL WIDEBAND NOISE = 150VRMS, THD = 0.03% FOR VIN = 1VRMS
LTC1064-1
1
2
3
4
5
6
7
14
13
12
11
10
9
8
R(h, I)
COMP2*
V–
fCLK
NC
VOUT
NC
INV C
VIN
AGND
V+
AGND
COMP1*
INV A
1064 TA01
NOTE: THE POWER SUPPLIES SHOULD BE BYPASSED BY A 0.1F
CAPACITOR CLOSE TO THE PACKAGE.
FOR SERVO OFFSET NULLING APPLICATIONS, PIN 1 IS THE 2ND
STAGE SUMMING JUNCTION.
*FOR CUTOFF FREQUENCY ABOVE 20kHz, USE COMPENSATION
CAPACITORS (5pF TO 56pF) BETWEEN PIN 13 AND PIN 1
AND PIN 6 AND PIN 7.
CLOCK
(TTL, ≤5MHz)
–8V
8V
VOUT
VIN
0.1F
■
Antialiasing Filters
■
Telecom PCM Filters
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1064-1M | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise,8th Order Clock Sweepable Elliptic Lowpass Filter |
| LTC1064-1MJ | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise,8th Order Clock Sweepable Elliptic Lowpass Filter |
| LTC1064-1MJ/883 | 制造商:Linear Technology 功能描述:Active Filter Single SW-CAP Low Pass 8th Order 50kHz 14-Pin CDIP |
| LTC1064-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise, High Frequency, 8th Order Butterworth Lowpass Filter |
| LTC1064-2_09 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise, High Frequency, 8th Order Butterworth Lowpass Filter |
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