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Maxim > Products > [Digital-to-Analog Converters] 
MX7228
CMOS, Octal, 8-Bit DAC


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 392kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
Maxim's MX7228 contains eight 8-bit voltage output digital-to-analog converters (DACs) with separate input latches and output buffers for simple microprocessor and TTL/CMOS interfacing. The MX7228 maintains 8-bit accuracy over the full operating temperature range without external trimming. Internally, data transfer into the data registers is via a common 8-bit TTL/CMOS compatible input bus. Logic inputs A2, A1, and A0 control which DAC is loaded after active-low WR goes low.

Key Features   Applications/Uses
  • Buffered Voltage Output
  • µP Compatible
  • TTL/CMOS Logic Compatible
  • Requires No External Adjustments
  • 24-Pin Narrow DIP Package
  • Operates from Single or Dual Supplies

 
  		• Arbitrary Function Generators
  		• Automatic Test Equipment
  		• Digital Offset/Gain Adjustment
  		• Industrial Process Control
  		• Minimum Component Count Analog Systems

    Key Specifications:  Precision DACs (4-12 Bits)
    Part Number Resolution Bits Channels Output Type Reference INL
    (±LSB)    		 Interface Supply Range
    (V)    		 Supply Range
    (V)    		 Oper. Temp.
    (°C)    		 Price
    max min max See Notes
    MX7228  8 8 Voltage- Buffered Ext. 1 Parallel - Full Word -5.5 16.5
    -55 to +125
    -20 to +85
    0 to +70
    		 $24.57 @1k
    See All Precision DACs (4-12 Bits) (261)

    Diagram
    MX7228: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 1780: Octal Trimpots Offer Rail-to-Rail Adjustments - MX7228

    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: 1-16 of 16

    MX7228 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MX7228BQ    
    		Active CDIP(N);24 pin;256 mm²
    Outline Drawing: 21-0045 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: R24-4*
    		-20°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MX7228TQ    
    		Active CDIP(N);24 pin;256 mm²
    Outline Drawing: 21-0045 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: R24-4*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MX7228UQ    
    		Active CDIP(N);24 pin;256 mm²
    Outline Drawing: 21-0045 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: R24-4*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MX7228K/D    
    		Active DICE SALES;NA pin;0 mm²

    Land Pattern: Not Applicable
    Use pkgcode/variation: DICE*
    		See data sheet
    MX7228KN  
    		Active PDIP(N);24 pin;265.4 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N24-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MX7228KN+  
    		Active PDIP(N);24 pin;265.4 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N24+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MX7228KP    
    		Active PLCC;28 pin;158 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0235 (PDF)
    Use pkgcode/variation: Q28-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MX7228KP-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MX7228KP+  
    		Active PLCC;28 pin;158 mm²
    Outline Drawing: 21-0049 (PDF)
    Land Pattern: 90-0235 (PDF)
    Use pkgcode/variation: Q28+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MX7228KP+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MX7228KCWG  
    		Active SOIC(W);24 pin;164.3 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0182 (PDF)
    Use pkgcode/variation: W24-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MX7228KCWG-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MX7228KCWG+  
    		Active SOIC(W);24 pin;164.3 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0182 (PDF)
    Use pkgcode/variation: W24+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MX7228KCWG+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MX7228KEWG    
    		Active SOIC(W);24 pin;164.3 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0182 (PDF)
    Use pkgcode/variation: W24-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MX7228KEWG+    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

    Notes and Comments
    • Plug-in replacement for AD7228

    Related Products
    MAX528, MAX529 Octal, Serial, 8-Bit DAC with Output Buffers

    More Like This: View Product Families for Similar Products

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    Document Ref.: 19-0875; Rev 0; 1989-01-01
    This page last modified: 2009-11-09


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