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Maxim > Products > [Digital-to-Analog Converters] 
MAX544, MAX545
+5V, Serial Input, Voltage-Output 14-Bit DACs

Single, Serial, Voltage-Output DAC in a SO Package


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 280kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX544/MAX545 are serial-input, voltage-output, 14-bit digital-to-analog converters (DACs) that operate from a single +5V supply. They provide 14-bit performance (±0.5LSB INL and ±0.9LSB DNL) over temperature without any adjustments. The DAC output is unbuffered, resulting in a low supply current of 0.3mA and a low offset error of 0.6mV.

The DAC output range is 0V to VREF. For bipolar operation, matched scaling resistors are provided in the MAX545 for use with an external precision op amp (such as the MAX400), generating a ±VREF output swing. The MAX545 also includes Kelvin-sense connections for the reference and analog ground pins to reduce layout sensitivity. A 16-bit serial word is used to load data into the DAC latch. The 10MHz, 3-wire serial interface is compatible with SPI™/QSPI™/MICROWIRE™, and it also interfaces directly with optocouplers for applications requiring isolation. A power-on reset circuit clears the DAC output to 0V (unipolar mode) when power is initially applied. The MAX544 is available in 8-pin plastic DIP and SO packages. The MAX545 is available in 14-pin plastic DIP and SO packages.

Key Features   Applications/Uses
  • Full 14-Bit Performance Without Adjustments
  • +5V Single-Supply Operation
  • Low Power: 1.5mW
  • 1µs Settling Time
  • Unbuffered Voltage Output Directly Drives 60-kilohm Loads
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • Power-On Reset Circuit Clears DAC Output to 0V (unipolar mode)
  • Schmitt-Trigger Inputs for Direct Optocoupler Interface
  • Pin-Compatible 16-Bit Upgrades (MAX541/MAX542)

 
  		• Automated Test Equipment (ATE)
  		• Data Acquisition
  		• Digital Gain and Offset Control
  		• Industrial Process Controls
  		• Instrumentation

    Key Specifications:  Precision DACs (12-16 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
    MAX544A  14 1 Voltage- Unbuffered Ext. 0.5 Serial - SPI 4.75 5.25
    -40 to +85
    0 to +70
    		 $10.27 @1k
    MAX544B  1
    -40 to +85
    0 to +70
    		 $7.90 @1k
    MAX545A  0.5
    -55 to +125
    -40 to +85
    0 to +70
    		 $10.27 @1k
    MAX545B  1
    -55 to +125
    -40 to +85
    0 to +70
    		 $7.90 @1k
    See All Precision DACs (12-16 Bits) (235)

    Diagram
    MAX544, MAX545: Functional Block Diagram
    Functional Block Diagram

    Design Guides
  		• Wireless (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: 1-49 of 49

    MAX544 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX544ACPA  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX544BCPA  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX544ACPA+  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX544BCPA+  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX544AEPA    
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX544BEPA  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX544AEPA+    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX544BEPA+  
    		Active PDIP(N);8 pin;82 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P8+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX544ACSA    
    		Active SOIC(N);8 pin;31 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
    MAX544ACSA-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX544BCSA  
    		Active SOIC(N);8 pin;31 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
    MAX544BCSA-T    
    		Active SOIC(N);8 pin;31 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
    MAX544ACSA+  
    		Active SOIC(N);8 pin;31 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
    MAX544ACSA+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX544BCSA+  
    		Active SOIC(N);8 pin;31 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
    MAX544BCSA+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX544AESA  
    		Active SOIC(N);8 pin;31 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
    MAX544AESA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX544BESA    
    		Active SOIC(N);8 pin;31 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
    MAX544BESA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX544AESA+  
    		Active SOIC(N);8 pin;31 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
    MAX544AESA+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX544BESA+  
    		Active SOIC(N);8 pin;31 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
    MAX544BESA+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX545 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX545BMJD    
    		Active

    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX545ACPD  
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545BCPD  
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545ACPD+  
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545BCPD+  
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545AEPD    
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545BEPD    
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545AEPD+  
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545BEPD+  
    		Active PDIP(N);14 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P14+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545ACSD  
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545ACSD-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX545BCSD    
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545BCSD-T    
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545ACSD+  
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545ACSD+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX545BCSD+  
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545BCSD+T    
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545AESD    
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545AESD-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX545BESD    
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX545BESD-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX545BESD+  
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545BESD+T    
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545AESD+    
    		Active SOIC(N);14 pin;54 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0112 (PDF)
    Use pkgcode/variation: S14+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX545AESD+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

    Related Products
    MAX541, MAX542 +5V, Serial-Input, Voltage-Output 16-Bit DACs

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    Document Ref.: 19-1088; Rev 3; 1999-12-01
    This page last modified: 2009-08-24


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