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MAX291ES

更新时间： 2024-11-20 04:48:03
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
10页 339K
描述
Switched Capacitor Filter, 1 Func, Butterworth, Lowpass, PDSO8, SOP-8

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MAX291ES 数据手册

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MAX291/MAX292/  
MAX295/MAX296  
8th-Order, Lowpass,  
Switched-Capacitor Filters  
General Description  
Features  
o 8th-Order Lowpass Filters:  
The MAX291/MAX292/MAX295/MAX296 are easy-to-use,  
8th-order, lowpass, switched-capacitor filters that can be  
set up with corner frequencies from 0.1Hz to 25kHz  
(MAX291/MAX292) or 0.1Hz to 50kHz (MAX295/MAX296).  
Butterworth (MAX291/MAX295)  
Bessel  
(MAX292/MAX296)  
o Clock-Tunable Corner-Frequency Range:  
0.1Hz to 25kHz (MAX291/MAX292)  
0.1Hz to 50kHz (MAX295/MAX296)  
o No External Resistors or Capacitors Required  
o Internal or External Clock  
The MAX291/MAX295 Butterworth filters provide maxi-  
mally flat passband response, and the MAX292/MAX296  
Bessel filters provide low overshoot and fast settling. All  
four filters have fixed responses, so the design task is  
limited to selecting the clock frequency that controls the  
filter’s corner frequency.  
o Clock to Corner Frequency Ratio:  
100:1 (MAX291/MAX292)  
An external capacitor is used to generate a clock using  
the internal oscillator, or an external clock signal can be  
used. An uncommitted operational amplifier (noninverting  
input grounded) is provided for building a continuous-  
time lowpass filter for post-filtering or anti-aliasing.  
50:1 (MAX295/MAX296)  
o Low Noise: -70dB THD + Noise (Typ)  
o Operate with a Single +5V Supply or  
Dual 5V Supplies  
Produced in an 8-pin DIP/SO and a 16-pin wide SO  
package, and requiring a minimum of external compo-  
nents, the MAX291 series delivers very aggressive per-  
formance from a tiny area.  
o Uncommitted Op Amp for Anti-Aliasing or Clock-  
Noise Filtering  
o 8-Pin DIP and SO Packages  
Ordering Information  
Applications  
ADC Anti-Aliasing Filter  
Noise Analysis  
PART  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
16 Wide SO  
Dice*  
8 Plastic DIP  
8 SO  
16 Wide SO  
8 CERDIP**  
MAX291CPA  
MAX291CSA  
MAX291CWE  
MAX291C/D  
MAX291EPA  
MAX291ESA  
MAX291EWE  
MAX291MJA  
DAC Post-Filtering  
50Hz/60Hz Line-Noise Filtering  
Ordering Information continued at end of data sheet.  
* Contact factory for dice specifications.  
Typical Operating Circuit  
** Contact factory for availability and processing to MIL-STD-883.  
+5V  
Pin Configurations  
7
V+  
8
1
TOP VIEW  
5
3
INPUT  
IN  
OUT  
OUTPUT  
OP OUT  
1
2
3
4
8
7
6
5
IN  
CLK  
V-  
MAX29_  
V+  
MAX29_  
4
CLOCK  
CLK  
OP IN-  
GND  
OUT  
OP OUT  
OP IN-  
6
V-  
2
-5V  
DIP/SO  
Pin Configuration is 8-pin DIP/SO.  
16-pin Wide SO at end of data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-4526; Rev 5; 5/10  
1234567...10

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