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Maxim > Products > [Analog-to-Digital Converters] 
MAX1067, MAX1068
Multichannel, 14-Bit, 200ksps Analog-to-Digital Converters

Multichannel, 14-Bit, 200ksps ADCs in QSOP


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 440kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

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 Resolution
    (bits)    		 Input Chan. Conv. Rate
    (ksps)    		 Conv. Time
    (µs)    		 Data Bus
    (bits)    		 Ref.
    (V)    		 Diff. Inputs VSUPPLY
    (V)    		 ICC
    (mA)    		 Power
    (mW)    		 Standby Mode Package/Pins Price
    ADC max typ typ See Notes
    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
    		 $6.75 @1k
    See All Precision ADCs (< 5Msps) (377)

    Diagram
    MAX1067, MAX1068: Pin Configuration
    Pin Configuration

    Application Notes
  		• Application Note 3494: The Basics of Anti-Aliasing: Using Switched-Capacitor Filters - MAX1067

    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 Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1067ACEE    
    		Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067ACEE-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1067BCEE    
    		Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067BCEE-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1067CCEE    
    		Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067CCEE-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1067BCEE+  
    		Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1067BCEE+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1067AEEE    
    		Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067AEEE-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1067BEEE    
    		Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067BEEE-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1067CEEE    
    		Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1067CEEE-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1068 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1068ACEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068ACEG-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1068BCEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068BCEG-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1068CCEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068CCEG-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1068ACEG+  
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068ACEG+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1068BCEG+  
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068BCEG+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1068CCEG+  
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068CCEG+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1068AEEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068AEEG-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1068BEEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068BEEG-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1068CEEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1068CEEG-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1068AEEG+  
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068AEEG+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1068BEEG+    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068BEEG+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1068CEEG+    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1068CEEG+T    
    		Active

    Land Pattern: Not Available

    		-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: 2009-10-12


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