MSELP PDF预览

MSELP

更新时间: 2025-04-16 01:13:43
品牌 Logo 应用领域
MSI /
页数 文件大小 规格书
7页 294K
描述
Switched Capacitor Elliptic Lowpass Filter

MSELP 数据手册

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4/ 2004  
S w it ch e d Ca p a cit o r Ellip t ic Lo w p a s s Filt e r  
D a t a S h e e t  
Fe a tu r e s  
D e s cr i p t i o n  
No response setting resistors  
Plastic DIP or S.O. packages available  
Switched Capacitor Filters  
The lowpass filter has an elliptic response and  
is made in CMOS technology. It uses  
a
switched capacitor filter implementation. No  
external components are necessary to set the  
filter characteristics. The cutoff frequency of  
the lowpass filter is selectable based on the  
clock frequency. Either an external clock or the  
on-chip oscillator can be used. Included in the  
integrated circuit are two op amps which can  
be configured by the user.  
3.3 or 5 Volts Operation  
Operates from internal or external clock  
Includes two uncommitted op amps  
Power down mode  
Selectable clock to corner frequency ratio  
Ap p lica tio n s  
Two Way Radio  
The clock to cutoff frequency ratio can be se-  
lected at either 50:1 or 100:1 by using the  
Clock to Corner Select pin. A current-saving  
power down mode can be chosen with the  
Power Select pin. In the low power mode the  
maximum corner frequency is 5 kHz. In regular  
operation the maximum corner frequency is 20  
kHz.  
Telecommunications  
Data Communications  
Anti-Alias Filters  
General Purpose Low-Pass Filters  
Ab so lu te M a x im u m Ra tin g s  
Power Supply Voltage  
+6 V  
Storage Temperature  
-60 to +150?C  
-40 to +85?C  
Blo ck Dia g r a m ________________  
Operating Temperature  
FOUT  
O r d e r i n g I n f o r m a t i o n ________  
FIN  
FO  
INV1  
OUT1  
OUT2  
Part Number  
Package  
Operating Temperature  
OA1  
LOW PASS FILTER  
MSELPP  
MSELPN  
14 Pin Dip  
-20 to +75?C  
-20 to +75?C  
GND  
PS  
14 Pin 150 mil SOIC  
INV2  
OA2  
CLK  
NINV  
CLOCK  
R
Web Site “www.mix-sig.com”  
© 2004 Mixed Signal Integration 1  

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