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MAX1067, MAX1068
Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters

Multichannel, 14-Bit, 200ksps ADCs in QSOP


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Data Sheet
FULL DATA SHEET (PDF, 440kB)
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Description
The MAX1067/MAX1068 low-power, multichannel, 14-bit analog-to-digital converters (ADCs) feature a successive-approximation ADC, integrated +4.096V reference, a reference buffer, an internal oscillator, automatic power-down, and a high-speed SPI™/QSPI™/MICROWIRE™-compatible interface. The MAX1067/MAX1068 operate with a single +5V analog supply and feature a separate digital supply, allowing direct interfacing with +2.7V to +5.5V digital logic.

The MAX1067/MAX1068 consume only 3.6mA (AVDD = DVDD = +5V) at 200ksps when using an external reference. AutoShutdown™ reduces the supply current to 185µA at 10ksps and to less than 10µA at reduced sampling rates.

The MAX1067 includes a 4-channel input multiplexer, and the MAX1068 accepts up to eight analog inputs. In addition, digital signal processor (DSP)-initiated conversions are simplified with the DSP frame-sync input and output featured in the MAX1068. The MAX1068 includes a data-bit transfer input to select between 8-bit-wide or 16-bit-wide data-transfer modes. Both devices feature a scan mode that converts each channel sequentially or one channel continuously.

Excellent dynamic performance and low power, combined with ease of use and an integrated reference, make the MAX1067/MAX1068 ideal for control and data-acquisition operations or for other applications with demanding power consumption and space requirements. The MAX1067 is available in a 16-pin QSOP package, and the MAX1068 is available in a 24-pin QSOP package. Both devices are guaranteed over the commercial (0°C to +70°C) and extended (-40°C to +85°C) temperature ranges. Use the MAX1168 evaluation kit to evaluate the MAX1068.

Key Features   Applications/Uses
  • 14-Bit Resolution, ±0.5 LSB INL and ±1 LSB DNL (max)
  • +5V Single-Supply Operation
  • Adjustable Logic Level (+2.7V to +5.25V)
  • Input Voltage Range: 0 to VREF
  • Internal (+4.096V) or External (+3.8V to AVDD) Reference
  • Internal Track/Hold, 4MHz Input Bandwidth
  • Internal or External Clock
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface, MAX1068 Performs DSP-Initiated Conversions
  • 8-Bit-Wide or 16-Bit-Wide Data-Transfer Mode (MAX1068 Only)
  • 4-Channel (MAX1067) or 8-Channel (MAX1068) Input Mux
    • Scan Mode Sequentially Converts Multiple Channels or One Channel Continuously
  • Low Power
    • 3.6mA at 200ksps
    • 1.85mA at 100ksps
    • 185µA at 10ksps
    • 0.6µA in Full Power-Down Mode
  • Small Package Size
    • 16-Pin QSOP (MAX1067)
    • 24-Pin QSOP (MAX1068)

 
  • Accelerometer Measurements
  • Data Acquisition Systems
  • Industrial I/O Modules
  • Industrial Process Controls
  • Motor Control
  • Thermocouple Measurements

    Key Specifications:   Precision ADCs (< 5Msps)
    Part Number ADC Resolution (Bits) Input Channels Conv. Rate (ksps) Max. Conv. Time (µs) Data Bus (Bits) Ref. (V) Diff. In Supply Voltage (V) Typ. Supply Current (mA) Typ. Power (mW) Standby Mode Package Price**
    MAX1067  14 4 200 3.75 Serial Ext
    Int +4.096
    No 5 2.9 14.5 Yes QSOP/16 $7.00 @ 1k
    MAX1068  8 QSOP/24 $7.49 @ 1k
    See All Precision ADCs (< 5Msps) (320)
    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 3494: The Basics of Anti-Aliasing: Using Switched-Capacitor Filters - MAX1067

    Evaluation Kits
    none

    Design Guides
  • A/D Converters (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: 1-38 of 38

    MAX1067 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1067ACEE  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16-1*
    0°C to +70°C See data sheet
    Materials Analysis
    MAX1067BCEE+  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1067BCEE+T  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1067CCEE-T  



    0°C to +70°C See data sheet
    MAX1067CCEE  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067BCEE-T  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067ACEE-T  



    0°C to +70°C See data sheet
    MAX1067BCEE  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067AEEE  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067CEEE-T  



    -40°C to +85°C See data sheet
    MAX1067CEEE  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16-1*
    -40°C to +85°C See data sheet
    Materials Analysis
    MAX1067AEEE-T  



    -40°C to +85°C See data sheet
    MAX1067BEEE-T  



    -40°C to +85°C See data sheet
    MAX1067BEEE  
    QSOP;16 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E16-1*
    -40°C to +85°C See data sheet
    Materials Analysis
    MAX1068 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1068CCEG-T  



    0°C to +70°C See data sheet
    MAX1068BCEG+T  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068ACEG+  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068ACEG+T  



    0°C to +70°C See data sheet
    MAX1068CCEG  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068CCEG+T  



    0°C to +70°C See data sheet
    MAX1068CCEG+  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068BCEG-T  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068ACEG  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068BCEG  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068ACEG-T  



    0°C to +70°C See data sheet
    MAX1068BCEG+  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068BEEG+T  



    -40°C to +85°C See data sheet
    MAX1068BEEG+  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068CEEG+  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24+1*
    -40°C to +85°C See data sheet
    Materials Analysis
    MAX1068AEEG+T  



    -40°C to +85°C See data sheet
    MAX1068AEEG+  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068CEEG-T  



    -40°C to +85°C See data sheet
    MAX1068CEEG  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068BEEG-T  



    -40°C to +85°C See data sheet
    MAX1068BEEG  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068AEEG-T  



    -40°C to +85°C See data sheet
    MAX1068AEEG  
    QSOP;24 pin;
    Dwg: 21-0055 (PDF)
    Use pkgcode/variation: E24-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068CEEG+T  



    -40°C to +85°C See data sheet

    More Information
  • New Product Press Release 2003-08-07 

    Related Products
    MAX1062 14-Bit, +5V, 200ksps ADC with 10µA Shutdown
    MAX1069 58.6ksps, 14-Bit, 2-Wire Serial ADC in a 14-Pin TSSOP
    MAX1065, MAX1066 Low-Power, 14-Bit Analog-to-Digital Converters with Parallel Interface
    MAX1178, MAX1188 16-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range
    MAX1156, MAX1158, MAX1174 14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range

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    Document Ref.: 19-2955; Rev 1; 2007-11-02
    This page last modified: 2007-11-02



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