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Maxim > Products > [Filters (Analog)] 
MAX7400, MAX7403, MAX7404, MAX7407
8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters

Smallest, Lowest-Power 8th-Order Elliptic Filters


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 200kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
  Notify me when the EE-Sim online simulation tool supports: [MAX7400] [MAX7403] [MAX7404]

The MAX7400/MAX7403/MAX7404/MAX7407 8th-order, lowpass, elliptic, switched-capacitor filters (SCFs) operate from a single +5V (MAX7400/MAX7403) or +3V (MAX7404/MAX7407) supply. These devices draw 2mA of supply current and allow corner frequencies from 1Hz to 10kHz, making them ideal for low-power anti-aliasing and post-DAC filtering applications. They feature a shutdown mode that reduces the supply current to 0.2µA.

Two clocking options are available: self-clocking (through the use of an external capacitor) or external clocking for tighter cutoff-frequency control. In addition, an offset adjustment pin (OS) allows for the adjustment of the DC output level.

The MAX7400/MAX7404 provide 82dB of stopband rejection and a sharp rolloff with a transition ratio of 1.5. The MAX7403/MAX7407 provide a sharper rolloff with a transition ratio of 1.2, while still delivering 60dB of stopband rejection. The fixed response of these devices simplifies the design task to corner-frequency selection by setting a clock frequency. The MAX7400/MAX7403/MAX7404/MAX7407 are available in 8-pin SO and DIP packages.

Key Features   Applications/Uses
  • 8th-Order Lowpass Elliptic Filter
  • Low Noise and Distortion -82dB THD + Noise (MAX7400)
  • Clock-Tunable Corner Frequency (1Hz to 10kHz)
  • 100:1 Clock-to-Corner Ratio
  • Single-Supply Operation
    • +5V (MAX7400/MAX7403)
    • +3V (MAX7404/MAX7407)
  • Low Power
    • 2mA (Operating Mode)
    • 0.2µA (Shutdown Mode)
  • Available in 8-Pin SO and DIP Packages
  • Low Output Offset: ±5mV

 
  		• ADC Anti-Aliasing
  		• Air-Bag Electronics
  		• CT2 Base Stations
  		• Post-DAC Filtering
  		• Speech Processing

    Key Specifications:  Active Filters
    Part Number Filter Sections Order Per Filter Section Filter Class Filter Type Filter Characteristic Program Method Lowest Cutoff
    (Hz)    		 Highest Cutoff
    (kHz)    		 VSUPPLY
    (V)    		 Oper. Temp.
    (°C)    		 Price
    max min See Notes
    MAX7400  1 8 Switched Cap Lowpass Elliptic Clock 1 10 5
    -40 to +85
    0 to +70
    		 $1.98 @1k
    MAX7403  5 $1.98 @1k
    MAX7404  3 $1.98 @1k
    MAX7407  3 $1.98 @1k
    See All Active Filters (50)

    Diagram
    MAX7400, MAX7403, MAX7404, MAX7407: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 733: A Filter Primer - MAX7400, MAX7403, MAX7404, MAX7407
  		• Application Note 928: Filter Basics: Anti-Aliasing - MAX7400, MAX7403, MAX7404, MAX7407
  		• Application Note 2081: Digitally Controlled Sine-Wave Generator - MAX7400
  		• Application Note 4422: Integrated Solutions Make Analog Filter Design Easy - MAX7400, MAX7403, MAX7404, MAX7407

    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: 1-48 of 48

    MAX7400 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7400CPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7400CPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7400EPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7400EPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7400CSA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7400CSA-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX7400CSA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7400CSA+T    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7400ESA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7400ESA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX7400ESA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7400ESA+T    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7403 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7403CPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7403CPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7403EPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7403EPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7403CSA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7403CSA-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX7403CSA+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX7403CSA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7403ESA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7403ESA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX7403ESA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7403ESA+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX7404 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7404CPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7404CPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7404EPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7404EPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7404CSA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7404CSA-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX7404CSA+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX7404CSA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7404ESA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7404ESA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX7404ESA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7404ESA+T    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7407 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7407CPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7407CPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7407EPA    
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7407EPA+  
    		Active PDIP(N);8 pin;79.7 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7407CSA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7407CSA-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX7407CSA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7407CSA+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX7407ESA    
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7407ESA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX7407ESA+  
    		Active SOIC(N);8 pin;30.9 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7407ESA+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

    Notes and Comments
    • Single 8th-order, elliptic, switched-capacitor filter. 10kHz maximum F (c)

    Related Products
    MAX293, MAX294, MAX297 8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters
    MAX7408, MAX7411, MAX7412, MAX7415 5th Order, Lowpass, Elliptic, Switched-Capacitor Filters

    More Like This: View Product Families for Similar Products

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    Document Ref.: 19-4764; Rev 2; 1999-06-01
    This page last modified: 2007-07-20


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