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MAX5722
12-Bit, Low-Power, Dual, Voltage-Output DAC with Serial Interface


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 696kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


Description
The MAX5722 dual,12-bit, low-power, buffered voltage-output, digital-to-analog converter (DAC) is packaged in a space-saving 8-pin µMAX® package (5mm x 3mm). The wide supply voltage range of +2.7V to +5.5V and 112µA supply current accommodates low-power and low-voltage applications. DAC outputs employ on-chip precision output amplifiers that swing rail-to-rail. The MAX5722's reference input accepts a voltage range from 0 to VDD. In power-down, the reference input is high impedance, further reducing the system's total power consumption.

The 20MHz, 3-wire SPI™, QSPI™, MICROWIRE™, and DSP-compatible serial interface save board space and reduce the complexity of opto- and transformer-isolated applications. The MAX5722 on-chip power-on reset (POR) circuit resets the DAC outputs to zero and loads the output with a 100kΩ resistor to ground. This provides additional safety for applications that drive valves or other transducers that need to be off on power-up. The MAX5722's software-controlled power-down reduces supply current to less than 0.3µA and provides software-selectable output loads (1kΩ, 100kΩ, or high impedance) while in power-down. The MAX5722 is specified over the -40°C to +125°C automotive temperature range.

Key Features   Applications/Uses
  • Ultra-Low Power Consumption
    • 112µA at VDD = +3.6V
    • 135µA at VDD = +5.5V
  • Wide +2.7V to +5.5V Single-Supply Range
  • 8-Pin µMAX Package
  • 0.3µA Power-Down Current
  • Guaranteed 12-Bit Monotonicity (±1 LSB DNL)
  • Safe Power-Up Reset to Zero Volts at DAC Output
  • Three Software-Selectable Power-Down Impedances (100kΩ, 1kΩ, Hi-Z)
  • Fast 20MHz, 3-Wire SPI, QSPI, and MICROWIRE-Compatible Serial Interface
  • Rail-to-Rail Output Buffer Amplifiers
  • Schmitt-Triggered Logic Inputs for Direct Interfacing to Optocouplers
  • Wide -40°C to +125°C Operating Temperature Range
 
  • Automatic Tuning
  • Battery-Powered Instruments
  • Gain and Offset Adjustment
  • Power Amplifier Control
  • Process-Control I/O Boards
  • VCO Control

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
MAX5722  12 2 Voltage- Buffered Ext. 16 Serial - SPI 2.7 5.5
-40 to +85
-40 to +125
$4.38 @1k
See All Precision DACs (12-16 Bits) (235)

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
MAX5722  12 2 Voltage- Buffered Ext. 16 Serial - SPI 2.7 5.5
-40 to +85
-40 to +125
$4.38 @1k
See All Precision DACs (4-12 Bits) (261)

Diagram
MAX5722: Functional Block Diagram
Functional Block Diagram

Reliability Reports
  • Reliability Report: MAX5722.pdf
  • Show FIT data 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: 1-8 of 8

    MAX5722 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX5722AUA    
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX5722AUA-T    
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX5722AUA+  
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX5722AUA+T    
    Active

    Land Pattern: Not Available

    -40°C to +125°C See data sheet
    MAX5722EUA  
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX5722EUA-T    
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX5722EUA+  
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX5722EUA+T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet

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    Document Ref.: 19-2124; Rev 2; 2003-08-22
    This page last modified: 2008-10-30


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