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Maxim > Products > Filters (Analog) 
MAX270, MAX271
Digitally Programmable, Dual, 2nd-Order, Continuous Lowpass Filter


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Data Sheet
FULL DATA SHEET (PDF, 8.1MB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Key Specifications:   Active Filters
Part Number Filter Sections per Pkg. Order per Filter Section Filter Class Filter Type Filter Characteristic Program Method Lowest Cutoff (Hz) Highest Cutoff (kHz) Dual Supply Voltage (±V) Supply Voltage (V) Package RoHS Available Operating Temp. Range (°C) Price**
MAX271  2 2 Continuous Lowpass Chebyshev µP Bus
Pin Strap 		1000 25 5 5 Ceramic DIP/24
PDIP/24
SOIC/24 		Yes -40 to +85
-55 to +125
0 to +70 		$7.61 @ 1k
See All Active Filters (45)
Notes:
**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Application Notes
  		• Application Note 21: Three ICs Produce Pure Sine Waves - MAX270
  		• Application Note 23: µP-Supervisor Chip Controls Programmable Filter - MAX270

    Evaluation Kits
    none

    Design Guides
  		• FILTERS (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-28 of 28

    MAX270 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX270MJP  
    		Ceramic DIP;20 pin;
    Dwg: 21-0045A (PDF)
    Use pkgcode/variation: J20-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX270C/D  
    		DICE SALES;

    Use pkgcode/variation: DICE*
    		See data sheet
    MAX270CPP  
    		PDIP;20 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX270CPP+  
    		PDIP;20 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX270EPP  
    		PDIP;20 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX270EPP+  
    		PDIP;20 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P20+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX270CWP+T  
    		SOIC;20 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX270CWP+  
    		SOIC;20 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX270CWP  
    		SOIC;20 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX270CWP-T  
    		SOIC;20 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX270EWP  
    		SOIC;20 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX270EWP-T  
    		SOIC;20 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX270EWP+T  



    		-40°C to +85°C See data sheet
    MAX270EWP+  
    		SOIC;20 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W20+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX271 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX271MRG  
    		Ceramic DIP;24 pin;
    Dwg: 21-0045A (PDF)
    Use pkgcode/variation: R24-4*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX271C/D  
    		DICE SALES;

    Use pkgcode/variation: DICE*
    		See data sheet
    MAX271CNG+  
    		PDIP;24 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: N24+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX271CNG  
    		PDIP;24 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: N24-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX271ENG+  
    		PDIP;24 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: N24+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX271ENG  
    		PDIP;24 pin;
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: N24-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX271CWG-T  



    		0°C to +70°C See data sheet
    MAX271CWG  
    		SOIC;24 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W24-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX271CWG+  
    		SOIC;24 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W24+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX271CWG+T  



    		0°C to +70°C See data sheet
    MAX271EWG+  
    		SOIC;24 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W24+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX271EWG-T  



    		-40°C to +85°C See data sheet
    MAX271EWG  
    		SOIC;24 pin;
    Dwg: 21-0042B (PDF)
    Use pkgcode/variation: W24-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX271EWG+T  



    		-40°C to +85°C See data sheet

    Notes and Comments
    • Dual 2nd-order lowpass filter with an on-board, uncommitted op amp (MAX270)
    • Dual 2nd-order lowpass filter with an internal track and hold (T/H) (MAX271)

    Related Products
    MAX274, MAX274EVKIT, MAX275 4th- and 8th-Order, Continuous-Time Active Filters

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    Document Ref.: 19-3701; Rev 1; 1991-08-01
    This page last modified: 2007-05-31




             


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