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參數(shù)資料
| 型號： | LMF100 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | High Performance Dual Switched Capacitor Filter |
| 中文描述： | 高性能雙開關電容濾波器 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 868K |
| 代理商： | LMF100 |
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LMF100
High Performance Dual Switched Capacitor Filter
General Description
The LMF100 consists of two independent general purpose
high performance switched capacitor filters. With an external
clock and 2 to 4 resistors, various second-order and
first-order filtering functions can be realized by each filter
block. Each block has 3 outputs. One output can be config-
ured to perform either an allpass, highpass, or notch func-
tion. The other two outputs perform bandpass and lowpass
functions. The center frequency of each filter stage is tuned
by using an external clock or a combination of a clock and re-
sistor ratio. Up to a 4th-order biquadratic function can be re-
alized with a single LMF100. Higher order filters are imple-
mented by simply cascading additional packages, and all the
classical filters (such as Butterworth, Bessel, Elliptic, and
Chebyshev) can be realized.
The LMF100 is fabricated on National Semiconductor’s high
performance
analog
silicon
gate
CMOS
process,
LMCMOS
. This allows for the production of a very low off-
set, high frequency filter building block. The LMF100 is
pin-compatible with the industry standard MF10, but pro-
vides greatly improved performance.
Features
n
Wide 4V to 15V power supply range
n
Operation up to 100 kHz
n
Low offset voltage:
(50:1 or 100:1 mode):
typically
Vos1 =
±
5 mV
Vos2 =
±
15 mV
Vos3 =
±
15 mV
n
Low crosstalk 60 dB
n
Clock to center frequency ratio accuracy
±
0.2% typical
n
f
0
x Q range up to 1.8 MHz
n
Pin-compatible with MF10
4th Order 100 kHz Butterworth Lowpass Filter
Connection Diagram
LMCMOS
is a trademark of National Semiconductor Corporation.
DS005645-2
DS005645-3
Surface Mount and Dual-In-Line Package
DS005645-18
Top View
Order Number
LMF100CCN or LMF100CIWM
See NS Package Number N20A or M20B
July 1999
L
1999 National Semiconductor Corporation
DS005645
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| LMF100CCN | High Performance Dual Switched Capacitor Filter |
| LMF100CIWM | High Performance Dual Switched Capacitor Filter |
| LMF100ACN | IC-MONOLITHIC FILTER |
| LMF380 | LMF380 Triple One-Third Octave Switched-Capacitor Active Filter |
| LMF380C1J | LMF380 Triple One-Third Octave Switched-Capacitor Active Filter |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LMF100ACN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:IC-MONOLITHIC FILTER |
| LMF100AJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Filter |
| LMF100CCN | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:FILTER DUAL SWITCHED CAP DIP 100 |
| LMF100CCN | 制造商:Texas Instruments 功能描述:FILTER DUAL SWITCHED CAP DIP 100 |
| LMF100CCN/NOPB | 功能描述:IC FILTER DUAL SWITCH CAP 20-DIP 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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